48V 5KW/20KWH LiFePO4 Battery Energy Storage System

Inverter: 5kw
Nominal voltage:48.0V
Place of Origin: China
Brand Name:KH OEM
Model Number: 5KW/20KWH LiFePO4 Energy Storage System
Minimum Order Quantity: 10pcs
Price: Get it by email
Warranty: 10 years
Delivery Time: 7-14 days for samples, 35-60days fpr mass production
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Certification: UL,CE, ROHS,MSDS, UN38.3,
Packaging Details: Carton
Shipping Support: Air Freight, Sea Freight

The 5KW/20KWH LiFePO4 Battery Energy Storage System are built-in 5kw inverter and 20kwh LiFePO4 battery inside, which can directly used for home energy storage system to power your home and store energy for normal use where the electricity is lack. This system can extremely reduce your bill and save your energy everyday if link this system to PV system.

5KW/20KWH LiFePO4 Energy Storage System

Built-in Inverter parameter:

  • It adopts full-digital double closed loop control, combined with advanced SPWM technology to output pure sine wave.
  • Two output modes: mains electricity bypass and inverter output; uninterrupted power supply.
  • Four charging modes: PV Only, Mains Electricity Priority, PV Priority and PV&Mains Electricity hybrid charging.
  • Advanced MPPT technology with 99.9% efficiency.
  • Comes with a LCD display and 3 LED indicators that can clearly indicate the status and data.
  • Rocker switch for AC output control.
  • Power saving mode, reduce no-load loss.
  • Intelligent variable-speed fan to efficiently dissipate heat and extend system lifespan.
  • It comes with double lithium battery activation modes: mains and PV, and supports lead-acid battery and lithium battery access.
  • All-round protection for solar panels includes overload and short circuit protection, under-voltage and over-voltage protection and reverse polarity protection.
  • Horizontal installation facilitates cabinet combination.

48V 20KWH Energy Storage System

Built-in Battery parameter

  •  200A continuous output voltage can continuously charge big-power devices.
  •  The intelligent BMS system can accurately control the battery to improve the lifespan, no explosion, no fire.
  •  Drop-in replacement for heavy lead-acid(AGM / GEL) battery,1/3weight but same capacity.
  • 2000times cycle life@100% DOD , 7000times cycle life@50% DOD , 10 years design lifespan.
  • Maintenance-free, fully sealed, and waterproof.

KeHeng lithium batteries provide more energy for high consumption than traditional lead-acid batteries. They also offer ultra-fast charging and discharging, high efficiency and a longer cycle life – plus no maintenance!

Not all lithium batteries are created equal. All KeHeng Batteries use the safest and most stable components, including a LiFePO4 cathode and a built-in Battery Management System (BMS). The BMS ensures a long lifetime, safe handling – and high-accuracy State of Charge (SOC) calculations.

Superior Opportunity

5KW/20KWH LiFePO4 Energy Storage System is designed and engineered in the china by KeHeng, the world’s leading supplier of deep-cycle batteries for nearly 20 years. You can be confident KeHeng is the highest quality product on the market—backed by KeHeng’s extraordinary customer support.

20KWH Energy Storage System

Primary Competitive Advantages

Origin Guarantee/Warranty Price

Product Features/Product Performance

Prompt Delivery/Quality Approvals

Reputation Service/Small Orders Accepted.

Before placing an order to buy, please read our product warranty instructions carefully, otherwise it will affect your after-sales experience (strongly required)


Reliable 20KWH LiFePO4 Battery energy storage system

KeHeng caring every details of the lithium battery pack to assure you get the most safe and durable battery using experience,Strictly select battery cells and battery pack accessories, strictly implement production ISO specifications.

OEM 48V 28kWh Energy Storage System

Main Export Markets

Asia/Australasia Central/South America/Eastern Europe/Mid East/Africa North America/Western Europe

Whether you are ready to order or just want a price quote we will do our best to assist you. Please fill in the form below with your contact info, or send your inquiry to: info@lithiumbatterytech.com, we will get back to you as soon as possible.

48V/20KWH LiFePO4 energy storage system Applications

  • Solar/wind Energy storage system
  • Residential(Home) Energy storage system





Other Applications

Energy Storage System Application

Product video

Technical data

Items Specification Items Specification Items Specification
Ac Mains Mode Peak Power 10000VA PV operating voltage range 60-145Vdc
Rated Input Voltage 220/230Vac
Output short circuit protection Breaker
MPPT voltage range 60-115Vdc
Voltage Range 170-280Vac /±2%
Frequency 50Hz/60Hz Battery voltage range 40-60Vdc
By-pass circuit breaker 63A
Overload short circuit protection Breaker
maximum power output 4200W
Rated voltage input 48V
Transfer Efficiency >95%
Battery voltage range 40-60Vdc
Solar maximum charging current 0-80A
Transition Time 10ms
Ac Mains Charging Mode
Ac backirrigation protection Y
Max Charge Current 60A Other Information
Maximum bypass current 40A
Specification authentication CE(EN62109)
Charging current error ±5ADC
Inverter Operating Mode
Charging voltage range 40-58Vdc EMC Certification level EN61000.C2
Output Voltage Waveform pure sine wave
Operating Temperature range -70
output Rating(VA) 5000 Overload short circuit protection Breaker ,AC63A
output Rating(W) 5000
Storage Temperature -85
Solar Charging Mode
Rated Output Voltage(Vac) 230Vac
Overload Protection 102% load < Maximum open circuit voltage 145Vdc Cooling way Forced air cooling
125%±10%, alarm and shut down after 5 minutes Communication USB/RS485/WiFi
PV Voltage Range 60-145Vdc
Net weight(kg) 13.5


Items HESS-Powerbox-5.0 HESS-Powerbox-10.0 HESS-Powerbox-15.0 HESS-Powerbox-20.0
Nominal Capacity [Ah] 100 200 300 400
Nominal Voltage [V] 51.2 51.2 51.2 51.2
Working Voltage[V] 40-58 40-58 40-58 40-58
Module QTY 1 2 3 3
Nominal Battery Energy[kWh] 5.1 10.2 15.3 20.4
Max Output Power[kW] 5 5 5 5
Inverter Power[kW] 5 5 5 5
Communication CAN/RS485
System Net weight[kg] Approximately:105 Approximately:140 Approximately:185 Approximately:230
Mechanical Boundary[mm] D600×W600×H1200mm
Operating Temperature range[℃] Charging: 0°C ~ 50°C;discharging:-20~55℃
Installation Type Indoor


KH-A5000W All in one 5KW, 20KWH ESS system


Get a Best Quote

Scroll to Top

request a quote

Download Our Full Catalog
Get notified about new products!

request a quote

You will get the reply within 24 hours.