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48V 300Ah 15KWH LiFePO4 Battery Built in BMS Factory Price Lithium ion Battery for House Bank in a Yacht RV Marine

Categories 48V LiFePO4 Battery
Brand Name: RJ
Model Number: Lifepo4 Deep Cycle Battery
Certification: KC/MSDS/UN38.3/ROHS/UL
Place of Origin: China
Price: USD1-10000.00 / PCS (FOB Shenzhen)
Payment Terms: T/T
Supply Ability: 100000 Piece/Pieces per Month
Delivery Time: 7 work days
Packaging Details: Carton Package
LIFE CYCLES: >6000times
LIFESPAN: >20years
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48V 300Ah 15KWH LiFePO4 Battery Built in BMS Factory Price Lithium ion Battery for House Bank in a Yacht RV Marine

48V 300Ah 15KWH LiFePO4 Battery with BMS Factory Price Lithium ion Battery for House Bank in a Yacht RV Marine


1. Our company is a high-tech enterprise with 10 years’ experience in R&D battery.

2. With a total span of 20000 square meters, our monthly production capacity can exceed 6,000,000 Ah in our factories.

3. Flexible customizing and manufacturing accepted.

4. We promise providing high quality products with our professional R&D team, accomplished and experienced workers and advanced equipment.

5. Strict management and control for every progress in producing and 100% QC inspection before shipment.

6. We provide service of sample and prompt shipment, and sending someone to follow up the logistics progress after delivery.

7. 5 years warranty(extendible up to 10years). Professional after-sales service, give instruction on how to use the products.

Norminal Power(KWh)15 KWh
Norninal Capacity(Ah)300Ah
Norninal Voltage(V)51.2V
TypeLiFePO4 Battery
Dimensions (mm)L870mm*W265mm*H580mm
Discharging Voltage(V)40~58.4 V
Discharging Voltage(V)57.5~58.4 V
Discharging Current (A)100A
Communication PortCAN,RS232,RS485 ( Optional)
Working Temperature(℃)0~55℃
Shelf Temperature(℃)-20~70℃
Humidity0-95% RH(Non-condensing)
IP Grade (IP)0-95% RH(Non-condensing)
Authentication LevelTuV/CE/UL/UN38.3
Design Life(year)20+ years (@25℃/77℉)
Cycle Life (cycle)>6000Times (100%DOD)

Built-In BMS


Over charge Protection

Over charge detection voltage3.6~4.25V
Over charge detection delay time0.1 S ~ 6S
Over charge release voltage3.5~4.25V
Over discharge protection

Over discharge detection voltage

Over discharge detection delay time0.1 S ~ 6S
Over discharge release voltage2.1~3.4V
Over current protection
Charge Over current detection current1~100A
Charge Over current detection delay time0.02S~ 6S


Over current


Discharge Over current detection current1~600A

Discharge Over current detection delay time

0.02S~ 6S



Short protection detection delay time100 u S
Detection conditionB+ P-0.2 Omh
restoreCut off load
Interior ResistanceMain loop electrify resistance2 OMh(50A)
CurrentconsumptionCurrent consume in normal operation1.5mA Type
CurrentconsumptionCurrent consume in sleep operation2 uA Type

  • Longer battery life – 6000times life cycle , 5 times more than lead acid batteries
  • Low self-discharge
  • Free of charge memory
  • Steady discharge and charge performance.
  • Outstanding thermal stability
  • Wide temperature performance
  • Short circuit protection
  • Over charge and over discharge protection
  • Over current protection
  • Easy carrying and installation - can be carried and installed in any direction
  • Fast charging - about 4~6 hours to be fully charged
  • Lighter weight - 1/2~1/4 in weight compared to LA batteries
  • Require no change to a lead acid battery charging system
  • Better safety - mild warm, no explosion and firing, free of leakage
  • Environmentally friendly - no poisonous lead, no acid, no heavy/rare metals, no gasses during charge, free of leakage

RJ Battery Cycle Test

RJ Battery Destructive Test

RJ Battery Application

RJ Production Line

RJ Certificates

RJ Battery Warehouse

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