48v 40ah lithium ion battery manufacturer

Model: 48V 20Ah LiFePO4
Battery: 48V 40AH
Battery Type: Lifepo4
Support: Wholesale, OEM.ODM
Warranty: 10 years
Delivery Time: 7-14 days for samples, 35-60days for mass production
Packaging Details: Carton
Shipping Terms: Shipping Support: Air Freight, Sea Freight

48v 40ah lithium ion battery manufacturer

The 48V 40Ah Lithium Ion Battery represents a premium-grade power solution meticulously engineered to cater to an array of applications, including caravans, motorhomes, golf carts, touring vans, and solar power systems. With a nominal voltage of 48V and a nominal capacity of 40Ah, it delivers a total energy output of 2000Wh. Notably, this battery boasts a remarkable energy density of 160Wh/kg, ensuring its lightweight and compact form.

Featuring a BMS continuous charge/discharge current of 40A and a BMS peak discharge current of 80A, this battery exhibits an impressively low internal impedance of ≤50 mΩ, guaranteeing efficient charging and discharging activities. Moreover, its robust lifespan of over 2000 cycles solidifies its standing as a durable and dependable power source.

The 48V 40Ah lithium-ion battery can withstand a storage temperature range of -20°C to 45°C and an operating temperature range of -10°C to 55°C. This ensures that it can be used in special environments. Additionally, the battery comes with a 10-year warranty.

The integrated BMS safeguards the 48V 80Ah lithium iron phosphate battery against short circuits, over-temperature situations, and low temperatures, ensuring optimal battery performance and balance.

Applications of the Lithium Iron Phosphate (LiFePO4) 48V 40Ah Battery:

  1. Recreational Vehicle: Ideal for caravans, motorhomes, golf carts, and sightseeing cars.
  2. UPS/Standby Power: Provides reliable backup power for uninterrupted operations.
  3. Industrial Equipment: Serves as a dependable power source for various industrial applications.
  4. Other Deep Cycle Applications: Suitable for a wide range of deep cycle energy storage requirements.

Key Features of the 48V 40Ah LiFePO4 Battery:

  1. Extended Cycle Life: Enjoy up to 3000 charge/discharge cycles, ensuring long-lasting performance.
  2. Expandable Capacity: Can be connected in series and parallel configurations to generate higher energy outputs that cater to your specific demands.
  3. Battery Management System (BMS) Protection: Equipped with advanced BMS technology to monitor and manage the battery’s state, ensuring optimal performance and safety.
  4. Exceptional Safety: The use of lithium iron phosphate technology, combined with rigorous safety testing, guarantees a secure and reliable battery solution.
  5. Memory-Free Operation: The LiFePO4 chemistry ensures the battery is free from memory effects, allowing for convenient and optimal usage.
  6. Environmentally Friendly: LiFePO4 batteries are recognized for their absence of heavy metals and rare materials, making them non-toxic, non-polluting, and compliant with European RoHS regulations as a green battery choice.

Applications of the 48V 40Ah LiFePo4 Battery:

  1. Energy Storage: Ideal for photovoltaic energy storage, uninterrupted power supply (UPS), backup power stations, among others.
  2. Electric Vehicles (EV): Perfect for powering golf carts, electric scooters, and other EV applications.
  3. Solar Systems: Reliable and efficient energy storage for residential solar systems, solar street lights, solar CCTV installations, and more.
  4. Telecom Base Station: Ensures uninterrupted power supply for vital communication infrastructure, enabling seamless connectivity.
  5. Various Other Applications: Versatility abounds with applications such as emergency lights, mining lights, portable power supplies, digital products, robots, AGV/RGV/AMR systems, and beyond, showcasing the adaptability of this advanced battery technology.

Upgrade your energy storage capabilities with our unrivaled 48V 40Ah LiFePO4 batteries, the epitome of power and dependability. Our LiFePO4 batteries undergo rigorous certification processes, including UN38.3, IEC62133, UL, and CE, ensuring superior safety and quality compared to standard 48V 40Ah batteries. What sets our LiFePO4 batteries apart is their enhanced performance and extended lifespan, thanks to cutting-edge technology. With our customizable solutions and 3-year warranty, you can rest assured that we will tailor a solution to precisely meet your unique needs. Whether for residential, commercial, or industrial use, the 48V 40Ah LiFePO4 battery is the ultimate choice.


Q: What applications is the 48V 40Ah Li-Ion battery suitable for?
A: The 48V 40Ah Li-Ion battery is versatile and suitable for various applications, including electric bikes, electric scooters, solar energy systems, electric vehicles (EVs), backup power, and more.

Q: How does the energy density of the 48V 40Ah Li-Ion battery compare to other batteries?
A: The Li-Ion technology used in the 48V 40Ah battery provides a high energy density, allowing it to store a significant amount of energy in a compact and lightweight design compared to other battery types.

Q: Can I replace my current lead-acid battery with the 48V 40Ah Li-Ion battery?
A: In many cases, yes. The 48V 40Ah Li-Ion battery is designed as a drop-in replacement for lead-acid batteries, making it compatible with existing setups. However, it's essential to ensure that the charging system is suitable for Li-Ion batteries.

Q: What is the expected lifespan of the 48V 40Ah Li-Ion battery?
A: The lifespan depends on various factors, including usage, charging cycles, and maintenance. Generally, Li-Ion batteries have a longer lifespan compared to traditional lead-acid batteries, offering reliable performance over an extended period.

Q: Is the 48V 40Ah Li-Ion battery environmentally friendly?
A: Yes, Li-Ion batteries are considered more environmentally friendly than some other battery types. They do not contain harmful heavy metals like lead, and their production process has a lower environmental impact.

Q: Can the 48V 40Ah Li-Ion battery be used in solar energy systems?
A: Absolutely. The 48V 40Ah Li-Ion battery is well-suited for solar energy applications, providing a reliable and efficient energy storage solution for residential and commercial solar systems.

Q: Does the battery come with a Battery Management System (BMS)?
A: Yes, the 48V 40Ah Li-Ion battery is equipped with an integrated Battery Management System (BMS). The BMS ensures optimal battery performance and includes protection features against overcharging, over-discharging, overcurrent, and short circuits.

Q: Can I customize the 48V 40Ah Li-Ion battery for specific requirements?
A: Yes, customization options are available for parameters such as battery core, size, capacity, voltage, and connectors. This flexibility allows users to tailor the battery to meet their specific needs.

Q: What is the weight of the 48V 40Ah Li-Ion battery?
A: The weight of the 48V 40Ah Li-Ion battery may vary depending on the specific model and design. It is generally lighter than equivalent lead-acid batteries, contributing to the overall weight reduction of the system.

Q: How should I handle the disposal of the 48V 40Ah Li-Ion battery at the end of its life?
A: It's important to follow local regulations for battery disposal. Many areas have dedicated recycling facilities for Li-Ion batteries to minimize environmental impact. Ensure proper disposal to contribute to environmental sustainability


  • Grade A Cells: The KHLitech 48V lithium battery is made from grade A lithium-iron-phosphate battery cells which are better than those that claim automotive grade.
  • Perfect Replace Lead Acid Battery: The KHLitech 48V golf cart battery is a new generation for replacing lead acid batteries. Compared to the same capacity lead acid battery, a 48V golf cart battery has 1/3 weight, 2 times energy release, and 4 to 10 times cycles.
  • Long lifespan & Wide Application: 10 years lifetime and 5000+ deep cycles. KHLitech 48V 105Ah lithium battery is designed for a 48V golf cart, also it can be used in solar systems, home backup power, trolling motors, and marine. The peak current can be 500A for 5-10 seconds to start a huge motor on your golf cart. No worry about the high starting current anymore.
  • IP67 Waterproof & LCD Display: The special iron housing design has an IP67 waterproof rating. LCD optional, real-time understanding of battery voltage and capacity.
  • Intelligent BMS management system: The intelligent BMS system can accurately control the battery to improve the lifespan, with no explosion, and no fire.

Intelligent Battery Management System(BMS)

  • Overcharge protection function
  • Overdischarge protection function
  • Over current protection function
  • Short protection function
  • Over temperature protection function
  • Automatic cell balance function
  • Cell balance function

Technical data

Nominal Voltage 48V
Rated Capacity 105AH @0.5C to 40V
Operating Voltage 58.4V
Stored energy 5.37Kwh
Cycle life@80%DOD 6000 Cycles
Approx. Weight 43.6kg
Internal Resistance ≤70.0 mΩ
Parallel Up to 16 sets
Max. Charge Current 105 A
Max. Discharge Current 50A
Dimensions L472mm×W334mm×H243mm
Low temperature self heating Avaliable(0~-20°C)
Operating Temperature Range





-4°F (-20°C) to 113°F (45°C)

-4°F (-20°C) to 140°F (60°C)

59°F (15°C) to 95°F (35°C)

Self-Discharge Rate ≤3%/month
Life Expectancy (years) 10 years @25°C in 80%DOD
Self Discharge Approx. 3% per month @ 25°C
Long Term Storage Charge every 6 months
Short Circuit Protection Automatically recover after removal of short
Communication port RS485/RS232/CAN


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