12V Lithium Batteries

Factory-Direct 12V Lithium Battery Solutions for ODM Manufacturers and System Integrators.

✓ Reliable 12V Deep Cycle Battery✓ Full Range: 12 Volt 5Ah to 12V 600Ah Battery✓ OEM/ODM Custom

15+
Years Experience

40+
Global Certifications

80+
Countries Served

100%
Pre-shipment Inspection

What Makes Us Go Extra Mile

Factory Direct Price

Cut out the middleman. Work directly with our factory and save up to 30% on procurement cost.

Full Certifications

CE, UN38.3, MSDS, IEC62133, UL certified. Full compliance for global export with zero certification worries.

Fast Delivery

Overseas warehouse stock in Poland. Bulk orders dispatched within 3–5 business days to anywhere in Europe.

Smart BMS Built-in

Integrated smart BMS with overcharge, over-discharge and short-circuit protection. 6,000+ cycle lifespan.

Why choose our 12V lithium battery

keheng 12v lithium battery products
Keheng builds the best 12V lithium batteries for system integrators and distributors worldwide. Our products withstand extreme temperature fluctuations and high-vibration environments, and offer an ultra-long cycle life. With these batteries, your products can reach the highest level of performance and economic value. At the same time, they keep your total lifecycle cost to a minimum.

Grade A Battery Cells

Every model in our 12V lithium-ion battery pack lineup uses Grade A LiFePO4 cells. These cells deliver natural, built-in stability and safety.
First, they outperform lead-acid batteries by a wide margin. They achieve over 6,000 charge cycles. This extends your equipment’s battery replacement window to 5–8 years. All told, it cuts your total investment by at least 40%.
Also, LFP has a much higher thermal runaway threshold than ternary lithium chemistries. It does not trigger severe thermal runaway reactions. This effectively reduces the risk of safety accidents.
Grade A cells for 12V lithium battery

High-Vibration-Resistant Laser Welding

For every 12 volt lithium battery, we use high-power laser welding technology. It firmly bonds thickened bus bars to battery cells and electrode tabs. This design delivers far lower contact resistance than traditional spot welding or screw fastening processes.
Our batteries pass strict vibration and shock tests with zero loose connections and zero broken welds. This effectively prevents battery failures in bumpy, high-impact operating environments.
12V battery laser welding

Smart BMS

Our 12V lithium BMS is custom-built for 12V battery products.
On the hardware level, it runs on automotive-grade main control chips. We pair this hardware with dedicated control algorithms on the software side. First, it delivers all standard protection features. These include overcharge, overdischarge, overcurrent, and short circuit protection.
Beyond basic protection, its active balancing algorithm dynamically adjusts to real-time cell conditions. It efficiently evens out small gaps between individual cells. This further improves overall cell consistency and balance.
12v lithium battery BMS

High Charging Efficiency

Our 12 volt rechargeable battery pack delivers a charging efficiency of over 98%. It also supports 1C high-current fast charging.
First, higher charging efficiency means lower energy loss. For large energy storage systems, especially, this reduced loss creates clear economic value.
What’s more, charging speed makes a big difference for daily operations. Faster charging lets battery-powered equipment turn around more efficiently. It also cuts equipment downtime by a wide margin.
12V battery charging

Stable DC Output

Our 12V DC battery uses an industrial-grade voltage regulation design. It works directly with your equipment’s original electrical system. You can use it to replace existing lead-acid batteries in bulk. This cuts your R&D and design costs. It also reduces retrofitting and installation time effectively. As a result, it greatly boosts your overall work efficiency.
The 12V deep-discharge battery delivers reliable deep-cycle performance. On top of that, lithium batteries have lower internal resistance. So it can also handle instant high-current discharge. It meets the starting demands of car and motorcycle engines. At the same time, it provides continuous power for trolling motors, on-board appliances, and other devices.
12V battery DC output

Wide Operating Temperature

Our 12V LiFePO4 battery comes with a thermal control system and multiple distributed temperature probes. It measures the battery pack’s internal temperature with high precision and responds to changes quickly.
First, it works reliably in cold conditions. When temperatures drop below 0℃, the system activates low-temperature heating. This prevents lithium plating, which causes capacity loss and short circuit faults.
Second, it stays stable in high-temperature environments. In hot weather, the system reduces power output or uses cooling measures to lower temperatures. This keeps the battery within its optimal working temperature range at all times.
12V battery temperature sensor

What can the 12V lithium-ion battery be used for?

Our factory specializes in providing standardized, plug-and-play 12V lithium battery solutions for system integrators, equipment manufacturers, and retrofit shops across all equipment types. Leveraging advanced LiFePO4 battery technology and rugged housings, our solutions deliver consistent, stable performance with zero downtime in every application.

12v car battery

Lithium batteries provide a more reliable power base for car engine starting and on-board auxiliary systems.
  • They guarantee reliable engine ignition even in extreme temperature environments.
  • LiFePO4 batteries adapt well to frequent vehicle start-stop operation, supporting high-frequency charge and discharge cycles.
  • As a critical auto component, lithium starter batteries have far lower self-discharge. This means they store much more effectively in parts inventory.
  • Traditional lead-acid batteries have a high self-discharge rate. For vehicles that sit unused for long stretches, lithium batteries still maintain normal function.
For a 12V motorcycle battery, 5Ah to 20Ah models are common choices. But you need to pay more attention to the battery’s starting current. Only batteries that deliver 100CCA or more can meet a motorcycle’s starting requirements.
They feature a compact, miniaturized design. For the most part, they meet the start-stop needs of most small household passenger vehicles. Beyond that, their dimensions fit perfectly into the battery compartments of mainstream passenger cars. Our battery specifications are compatible with a wide range of vehicle models.
It delivers stronger starting power and deep discharge performance. This is especially valuable for fleet operations. First, it handles more frequent ignition cycles with ease. What’s more, it has far better resistance to battery drain. It remains reliable even during rental idle periods.

12V golf buggy battery

Older golf carts typically run on a 36V voltage platform, while most newer models adopt a 48V system, and high-end variants often use 72V. All these configurations commonly rely on multiple 12V batteries in series.
  • A 12V golf cart battery can serve for 8 years or even longer. Throughout this service life, you face no hassle of battery replacements and no extra associated costs.
  • Lithium batteries supporting 1C charging can recharge rapidly, significantly boosting vehicle operational efficiency. What’s more, opting for lighter LiFePO4 batteries also delivers clear improvements in vehicle range and overall performance.
  • Battery compartment retrofitting is usually the most time- and labor-intensive part of vehicle modification. Our compact 12V golf cart batteries fit seamlessly into all types of models, with no need for new tooling or extensive frame alterations.
For standard 2–4 seater golf carts on typical 18-hole courses, a 48V system built with four batteries in series and roughly 5kWh of capacity is generally sufficient for a full day of operation.
Wholesale 12V lithium batteries usually cost less than integrated 48V packs. They combine both cost and performance advantages, making them the preferred starting choice for most operators upgrading from lead-acid batteries.
Our lithium batteries all carry the same rated cycle life. Under identical usage conditions, higher capacity reduces charging frequency, which translates to a longer service lifespan.
For tournament hosting or corporate team-building events, double the capacity delivers extended runtime, ensuring the pace of play is never interrupted by charging waits.

12V solar battery

Solar lithium batteries feature an ultra-long service life of over 6,000 cycles and support 80% depth of discharge, delivering more than 10 years of stable performance in PV systems.
  • Supporting over 1C charge rate, lithium batteries utilize solar energy more efficiently and can build up sufficient power reserves even during rainy and overcast weather.
  • Lithium-ion batteries run reliably across a wide temperature window of -20℃ to 60℃, delivering dependable power for small off-grid solar kits and equipping your products for harsher outdoor conditions.
  • Lithium batteries produce far more stable voltage output, pairing seamlessly with inverter operation. In contrast, voltage fluctuations in lead-acid batteries frequently trigger inverter protection, leading to unplanned downtime.
It features a compact design and low capacity, suitable for installation in all types of small solar monitoring devices, solar street lights, and meteorological data collectors, and provides dependable power support even in harsh environments.
The 100Ah capacity meets full-day power demands of equipment and maintains continuous load operation during rainy and overcast weather. It also ranks among the mainstream options for portable energy storage, as a standard specification for outdoor residential PV equipment.
High-capacity lithium batteries are engineered specifically for off-grid solar kits that require long runtime. Thanks to their higher PV charging efficiency, they can recharge fully within shorter sunlight hours, eliminating runtime shortening caused by insufficient charging.

12V marine battery

The 12V deep cycle marine battery delivers consistent, stable power for fish finders, GPS navigation, marine radios, and lighting systems, and also powers trolling motors on small fishing boats and kayaks.
  • It supports 90% depth of discharge while maintaining steady trolling motor thrust throughout the cycle. This causes no significant damage to battery health and helps avoid after-sales failures.
  • Lithium batteries are free from electrolyte leakage and acid creep, with superior corrosion resistance. Paired with an IP67-rated waterproof housing and robust internal support structure, they effectively withstand salt spray corrosion and wave impact.
  • Lithium batteries produce minimal voltage fluctuation during discharge, causing no electromagnetic interference to precision instruments such as sonar, radar, and GPS, thus reducing the damage rate of on-board equipment.
  • The small 12 volt battery uses lightweight LiFePO4 chemistry, weighing only one-third of a lead-acid battery with the same capacity. The improved runtime and increased payload it brings can be directly converted into operating revenue.
For small kayaks, this 12V trolling motor battery weighs only 5kg at this capacity. Its dimensions fit the battery compartments of the vast majority of kayaks, making it the preferred choice for standard base-model capacity.
When used to power on-board electronic equipment, it can also meet the power supply needs of devices for a full day of navigation, balancing performance and cost for each vessel’s equipment configuration.
A single 100Ah lithium battery powers both the trolling motor and other on-board electronics at the same time. It cuts design work for wiring, switches, and other related parts. It also cuts down installation time across the whole vessel. As a result, both your R&D and mass production costs drop at once.

12 volt lawn mower battery

Our 12V battery case is engineered in strict compliance with universal international BCI standard group sizes, fitting perfectly into existing battery compartments and matching the original system voltage platform. This drastically simplifies retrofitting procedures and cuts associated costs for you.
  • Lithium batteries feature a monthly self-discharge rate below 2% for superior storability. Even when lawn mowers are left idle for extended seasonal periods, they can be quickly put back into landscaping operation.
  • For garden tool design, opting for LiFePO4 batteries frees up weight that can be invested in upgrading other core functions. Even the lightweight handling delivered by the battery alone represents a valuable upgrade for garden equipment.
  • The lithium cells are manufactured using winding or lamination processes and are reinforced by sturdy metal mounting brackets and cushioning spacers inside the pack. This design effectively withstands the high-vibration environment common in landscaping work.
You can order custom capacities from a 12V 5Ah battery up to higher specifications, covering starting requirements from 100 CCA to 400 CCA to fit your needs. In addition to being fully compatible with the 12V power demands of lighting, infrared night vision, and control modules, lithium batteries also deliver smoother output and longer runtime.
Modern smart all-electric lawn mowers are generally equipped with a high-capacity lithium battery, with capacity options ranging from 50Ah to 200Ah for different practical applications. The 12 volt riding lawn mower battery features both deep cycle performance and instant high-current output capability. It can handle long landscaping sessions with the mower, while also supporting the frequent start-stop operation of brushless DC motors.

12V rv battery

The 12 volt RV battery is purpose-built for stationary auxiliary power scenarios in recreational vehicles. Fully compatible with the factory-fitted 12V electrical system of stock RVs, it serves as the standard solution for retrofit projects.
  • Countries around the world enforce strict regulations and legal standards on GVWR (Gross Vehicle Weight Rating, the total weight of a fully loaded vehicle). When designing or retrofitting an RV, opting for a lighter LiFePO4 RV battery helps avoid unnecessary compliance risks.
  • Equipped with a built-in BMS, the lithium battery adapts to diverse outdoor environments and a wide operating temperature range. This keeps RV retrofit projects in high demand across all seasons.
  • Compared to equivalent lead-acid batteries, this 12 volt deep cycle RV battery delivers roughly twice the usable capacity. As a premium RV battery option, it provides critical, consistent power for on-board living appliances during overnight stationary use.
It provides over 5kWh of usable capacity. When paired with solar panels and inverters, it delivers sufficient daily living power for new energy RVs, appealing to more young users with deep off-grid needs.
Higher capacity options satisfy the power demands of most Class C RVs. As capacity increases, the lightweight advantage of lithium batteries becomes even more prominent. Compared to a lead-acid battery of the same capacity, a 300Ah lithium battery frees up at least 50kg of GVWR headroom.
It meets basic off-grid outdoor power requirements and serves as the standard energy storage battery configuration for Class B RVs, supporting 2–3 days of basic power consumption. It fits the battery compartments of most mainstream RV models and delivers the highest wholesale cost-performance ratio.

Reliable 12V Lithium Battery Manufacturer in China

  • Keheng has over 15 years of experience in battery R&D and manufacturing.
  • We deliver stable, reliable lithium battery solutions for the energy storage and motive power sectors.
  • Our products are exported to over 80 countries, including the US, Belgium, Australia, Vietnam, the UK, Germany, and Poland.
  • We have forged in-depth strategic partnerships with more than 200 partners worldwide.

Rigorous Cell Selection & Cell Matching

the battery cells testing
We adopt branded cells from EVE Energy, CATL, CALB, and other suppliers. All cells undergo a 100% inspection and sorting for capacity, internal resistance, and voltage upon arrival at our factory, with the matching deviation strictly within ±2%. This is not only a core guarantee for Keheng to consistently manufacture high-performance lithium batteries, but also the solid foundation supporting our stable mass deliveries.

Certifications for Global Market Access

12V battery certifications
All lithium battery series have obtained international safety and environmental certifications including CE, UKCA, RoHS and REACH, and passed special mercury-free testing. The product performance, environmental indicators, and hazardous substance control all comply with the market access standards of major global regions such as the EU and the UK.
Our batteries can smoothly pass customs inspection during importation, and help you win bids for green projects and complete platform qualification reviews effortlessly.

Rigorous Testing for Robust Quality

12v battery testing
We have built an in-house professional battery laboratory to simulate triaxial high-frequency vibration, extreme impact, neutral salt spray, water immersion, high and low temperature environments, as well as a 72-hour continuous load aging test.
Only after going through strict 12V battery testing procedures can our batteries deliver outstanding cycle life and electrical safety under real-world operating conditions.

Stable Mass Order Delivery

12V battery packing and shipping
We operate a modern factory covering over 4,000 square meters, equipped with 8 efficient, intelligent production lines. Sample orders can be delivered within one week, and bulk mass orders will be finished within 20 working days.
Full sets of export compliance paperwork come alongside every shipment, such as UN38.3 transport safety certificates and MSDS chemical safety data sheets. Our team supports your freight forwarders throughout the booking process, granting your cargo access to expedited green customs clearance at major international ports across the globe.

Dedicated Team Offering Full-Cycle Support

12V battery technical support
Industrial-grade technical backing stands at your disposal. Our skilled engineering team delivers comprehensive solutions covering cell application, BMS algorithm optimization, structural adaptation, and working condition calibration. We provide end-to-end technical assistance ranging from pre-project model selection and custom scheme design to on-site installation guidance and post-sale troubleshooting, supporting joint OEM and ODM development alongside your team.

Full Lifecycle Warrant Support

12V battery after-sales support
All product lines come with a minimum 5-year warranty, paired with lifelong technical assistance for core components. A 7/24 multilingual response system is in place to resolve general after-sales issues with tailored solutions within 24 hours. Exclusive RMA channels are reserved for key B2B clients, complete with dedicated account managers and traceable archives for every production batch.
We welcome clients with demands for bulk purchasing, designated supporting supply, and long-term distribution to visit our factory and production lines. You may schedule your visit in advance, and we will provide complete factory audit documents and exclusive one-on-one support services.

What our customers have to say

12v battery for RV

12V battery for RV

This 12v battery for RV features Bluetooth connectivity, allowing customers to remotely monitor battery status on their mobile phones.

12.8v 200ah lifepo4 battery

12.8V 200ah lifepo4 battery

This is an unboxing inspection photo shared by a customer from Ireland. Inspections start with packaging and appearance checks, followed by tests of voltage, capacity, and other battery conditions.

12 volt solar battery

12 volt solar battery

This is a 12V 100Ah solar energy storage project in Brazil. After switching to lithium batteries, both size and weight are reduced.

12v battery wholesale

12V battery wholesale

Keheng caters to wholesale procurement demands from all clients, with full readiness for both standard products and customized solutions.

Customize Your Exclusive 12V Lithium Battery Solution

We deliver flexible, tailored solutions for every requirement — from drop-in fit for original battery compartments and functional upgrades for special operating conditions to exclusive branded appearance customization.
Custom sizes – 12V batteries

Direct Drop-in Replacement

Non-standard sizes and irregular structural designs are fully customizable, engineered to strictly match the battery compartment dimensions and mounting hole positions of original equipment. The units install as direct in-situ replacements with no modifications needed for battery compartments or vehicle body structures. This design cuts down design costs and retrofit timelines, effectively reduces labor and material expenses during upgrades, and fits perfectly into large-scale lead-acid to lithium conversion projects.

Send us your dimensions and specs
Custom electrical specs – 12V

Voltage Configuration & Capacity Expansion

12V lithium batteries support series connection to build 24V/36V/48V/72V and other voltage platforms, while parallel connection of multiple units enables flexible capacity scaling. Power supply systems of varying specifications can be custom-built to precisely align with application needs across golf carts, solar energy storage, RVs, marine vessels, and more.

Tailor your electrical parameters
12V battery logo customization

Exclusive Brand Personalization

Branding services cover screen-printed brand logos on casings, custom color palettes and product labels, plus OEM label options including custom technical parameter nameplates. Heavy-duty reinforced outer cartons, integrated shock-absorbing inner foam, and moisture-proof reinforced packaging are also available, adapted for sea, air, and land transportation as well as various storage environments.

ODM/OEM custom services
12V battery waterproof customization

On-Demand Optional Feature Customization

All units leave the factory pre-equipped with core functions: RS485/CAN communication protocols, BMS protection, and active balancing. Beyond these basics, you can add a range of auxiliary functions based on actual needs. Optional add-ons include Bluetooth and WiFi modules for APP remote monitoring, low-temperature self-heating systems, air/liquid cooling solutions, and IP65/IP67 ingress protection for harsh environments. Additional modules such as LCD battery level indicators, cloud communication and management tools are also available. You can mix and match features freely to avoid cost waste from redundant functions.

More add‑on features

Frequently Asked Questions

For 12V LiFePO4 batteries, the standard constant-voltage charging range falls between 14.4V and 14.6V. And for ternary lithium batteries, the charge voltage varies by cell count in series: typically 12.6V for 3-cell configurations and 14.6V for 4-cell setups.
All lithium batteries paired with an intelligent BMS come with built-in overvoltage protection. Using a matched dedicated charger further extends battery service life effectively, while shielding your integrated systems from overheating risks caused by excessive voltage.
Voltmeter testing is a fundamental inspection method required for operations teams, retrofit technicians, and after-sales quality control staff. The standardized procedure is as follows:
  1. Set the multimeter to DC voltage mode, and select the 20V range for 12V battery measurement;
  2. Ensure metal terminals are free of oxidation and form a firm connection, then connect the red probe to the battery positive terminal and the black probe to the negative terminal;
  3. For a fully charged battery at rest, the open-circuit voltage generally ranges from 13.2V to 13.8V. A resting voltage below 12.0V indicates deep discharge or internal cell failure;
  4. Load test: Activate on-board loads such as air conditioning and lighting to measure voltage. Voltage typically drops momentarily at startup, stabilizes at 12.4V–12.8V under light load, and registers 11–12V under heavy load.
The 12V specification is the globally unified standard for starting power systems in passenger vehicles and light commercial vehicles. Adopted by automakers worldwide for decades, it has become a universal benchmark across the automotive industry.
Today, the greater value lies in upgrading conventional lead-acid units to premium 12V lithium-ion starting batteries. This eliminates ECU (Electronic Control Unit) malfunctions or unexpected breakdowns triggered by sharp voltage drops during high-load auxiliary operation.
Charging duration is determined by two core factors: battery capacity and charging current, with charge rate defining the relationship between the two.
Charging time ≈ Battery capacity ÷ Charging current
Lithium batteries automatically switch to a lower current when approaching full charge, so real-world charging time is slightly longer than the theoretical calculation.
Charge rate = Charging current ÷ Battery capacity
For example, take a 12V 100Ah lithium battery: a standard charging mode delivers 50A current, while fast charging delivers 100A, corresponding to charge rates of 0.5C and 1C respectively. In 0.5C standard mode, over 90% capacity is replenished in 2 hours, with a full charge completed in roughly 2.5 hours. With 1C fast charging, this timeframe drops to just 1 hour. For commercial fleet operations in particular, fast charging translates directly to higher operational efficiency.
While lithium batteries carry a higher upfront price tag than lead-acid alternatives like AGM batteries, the total 12v battery replacement cost must be evaluated holistically, accounting for average lifecycle cost and additional savings driven by performance advantages.
Lithium batteries support up to 6,000 charge cycles, while lead-acid batteries typically deliver fewer than 1,000 cycles. This means the cumulative cost of 6 lead-acid batteries matches that of a single lithium battery over its full service life. Lead-acid batteries of the same capacity weigh at least twice as much as their lithium counterparts. The extra weight reduces equipment payload capacity and also increases power consumption during vehicle operation.
Our 12V batteries comply with BCI industry standard group sizes, ensuring compatibility with most automotive and marine equipment.
  • Group 24: 260mm (L) × 173mm (W) × 225mm (H)
  • Group 27: 306mm (L) × 173mm (W) × 225mm (H)
  • Group 31: 330mm (L) × 173mm (W) × 240mm (H)
  • Group 48: 278mm (L) × 175mm (W) × 190mm (H)
We also provide custom sizing services for non-standard form factors. Sheet metal or high-strength ABS casings can be tailored to your exact dimensional requirements and ingress protection ratings.

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