JM Rechargeable Deep Cycle LiFePO4 Lithium Battery 48 Volt 400Ah 20kWh for Solar Panel Off Grid Energy Storage

Product Summary

• Portability & Installation:
  • Ultimate portability and flexibility
  • Simple, convenient setup for hassle-free use
• Design & Expandability:
  • Attractive appearance
  • Supports parallel connection (max. 15 units)
• Performance & Eco-friendliness:
  • LiFePO4 battery pack (20.48kWh energy)
  • Pollution-free; cycle life exceeding 8000 times (long lifespan)
• Safety & Intelligence:
  • JBD-200A-16S intelligent BMS (prevents overcharging, overdischarging, overheating)
  • LCD + built-in WiFi for real-time monitoring
  • Customizable display (touch/push-button) & Bluetooth/WiFi
• Compatibility:
  • Works with most well-known inverters (e.g., DEYE, Growatt, PYLONTECH)
• Specs & Warranty:
  • Max charge/discharge current: 200A (each)
  • Operating/storage temp: -20ºC~60ºC
  • Dimensions: L1130W424H200mm; Weight: 100kg
  • 10-year warranty
• Customization:
  • Customizable capacity, specs, and OEM/ODM services
  • Customizable communication modes (CAN/RS485/R232)

Product Parameters：

Model	JM-51.2V400Ah-LED
Nominal Voltage	51.2V
Rated Capacity	400Ah
Battery Energy	20.48kWh
Operating Voltage Range	48V~58.4V
BMS	JBD-200A-16S
Support Inverter Brands	DEYE, Growatt, PYLONTECH, SMA, MUST, VICTRON,GOODWE,   Also Support Customized Other Inverter Brands
Battery Type	LiFePO4 Battery Pack

Maximum Charging Current	200A
Maximum Discharge Currentt	200A
Product Size	L1130*W200*H742 mm
Weight	162kg
Battery Cycle Life	≥8000 Cycles
Storage / Working Temperature	-20 ºC~60 ºC
Warranty	10 Years
Parallel Connection Quantity	15 Units MAX

Communication Mode	CAN / RS485 / RS232
Display	Touch Display / Push-Button Display
Bluetooth / WiFi	Support Customized

Detailed Photos：

Company Profile：

Packaging & Shipping：

FAQ：

1. Who are we?
We are based in Guangdong, China, start from 2017,sell to North America(30.00%),Africa(15.00%),South America(10.00%),Western Europe(10.00%),Southern Europe(10.00%),Northern Europe(10.00%),Eastern Europe(10.00%),Southeast Asia(5.00%). There are total about 11-50 people in our office.

2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.What can you buy from us?
Lithium Battery, Lithium Battery Pack, Solar Battery, Solar Energy Storage Battery, Custom High Voltage Battery

4. Why should you buy from us not from other suppliers?
Dongguan Jiameng New Energy Technology Co., Ltd is a professional manufacturer of Solar Energy Storage products , LiFePO4 battery packs, we are a 6 years enterprise integrating product design,a research and development, manufacturing, sales and service.

5. What services can we provide?
Accepted Delivery Terms: FOB,EXW;
Accepted Payment Currency:USD,EUR,GBP,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,Western Union,Cash;
Language Spoken:English,Chinese