E-mail:  sales6@lithiumbattery-rj.com   |    Tel:  0086-13430203848


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48V 50Ah Lithium Solar Battery LiFeP04 with BMS Light Weight

Factory wholesale price 30years lifepspan
  • RJ-LFP-4850-MB

  • RJ

  • RJ-LFP-4850-MB

                       8000CYCLES - 15YEARS WARRANTY - FACTORY PRICE         

RJ is a lithium battery Manufacturer for over 16years, recognized by customers from Australia,Europe and North America.We offer Top quality with very good price for lithium lifepo4 batteries.

RJ solar batteries are made from LiFePO4 cells which is the best source of energy, it is the most stable type of lithium and it stores more energy than any other kind of lithium and Lead acid battery. RJ solar batteries are the lowest priced energy source on the long run, cheaper than lead acid batteries, because it can store almost 50% more energy than Lead acid batteries and can work 8,000 cycles vs the old 500 cycles that a lead acid battery provides you. RJ Provide 15Years warranty on all our solar batteries.

RJ solar batteries are the most secure and the safest option for any solar application. With the built in BMS and countless safety features you can rest easy and let your RJ solar battery do the work for you. Let us know your KW solar array and we can help right fit you with the right system for your solar application! 


51.2v50ah-lifepo4 battery-4

Items Parameter
Battery Type LiFePO4
Nominal Voltage 51.2V
Nominal Capacity 50Ah
Energy 2560Wh
Internal Resistance ≤15mΩ
Series & Parallel Application Customizable
Limited Charge Voltage 58.4V
Charge Method CC/CV
Discharge Cut-off Voltage 40V
Charge Current 50A 
Continuous Discharge Current 50A 
Pulse Discharge Current 100A (Peak)
Cycle Life > 8000 cycles 
Dimension (mm) Customizable
Weight 25Kg
Charge Temperature Range 0~55℃
Discharge Temperature Range -20~65℃
Recommended Operating Temperature 15~55℃
Recommended Storage Temperature & Humidity Range 15~35℃,45~75%RH

51.2v50ah-lifepo4 battery-1

51.2v50ah-lifepo4 battery-2

51.2v50ah-lifepo4 battery-5



•          More than 8000 Cycles

•          Battery modules available for parallel and series for higher voltage and capacity

•          BMS Passive cell balance funciton

•          IP66, IP67, water proof, dust proof, Temperature monitoring

•          Customization for Size and Discharge and charge rate

•          Free of Maintenance, contains no poisonous material

•          No leakage, no hazardous chemistry

•          Quick delivery

•          Lighter in weight, smaller in size to save space.

•          Powerfull to increase robust operation for your marine boat or RV

•          Fast charging and high power discharge rate available

•          No need to add water nor worry about maintenance.

•          We offer 5years regular warranty and it can be extended up to 10 years.




Content Criterion
Over charge


Over charge detection voltage 3.6~4.25V
Over charge detection delay time 0.1 S ~ 6S
Over charge release voltage 3.5~4.25V
Over discharge protection

Over discharge detection voltage


Over discharge detection delay time 0.1 S ~ 6S
Over discharge release voltage 2.1~3.4V
Over current protection
Charge Over current detection current 1~100A
Charge Over current detection delay time 0.02S~ 6S


Over current


Discharge Over current detection current 1~600A

Discharge Over current detection delay time


0.02S~ 6S



Short protection detection delay time 100 u S
Detection condition B+ P-0.2 Omh
restore Cut off load
Interior Resistance Main loop electrify resistance 2 OMh(50A)
Currentconsumption Current consume in normal operation 1.5mA Type
Currentconsumption Current consume in sleep operation 2 uA Type

With powerful capacity of Lithium Battery production, RJ is able to provide 1 to 1 customization service. No matter you only buy 1 pcs battery for your own use, or you are a company looking for bulk order of LiFePO4 Battery Pack, RJ will always meet your full satisfactions!


                                       Contact Us Customize your own battery Now!                            


LIFEPO4 Dimensions Weight with BMS Bluetooth/RS485 Life Cycles Warranty
48V 50AH 522*237*215mm 33kg Yes Available 8000times 15years
48V 60AH 525*240*215mm 40kg Yes Available 8000times 15years
48V 75AH 522*270*215mm 42kg Yes Available 8000times 15years
48V 80AH 525*273*225mm 48kg Yes Available 8000times 15years
48V 100AH 350*540*160mm 55kg Yes Available 8000times 15years
48V 120AH 442x450x225mm 62kg Yes Available 8000times 15years
48V150AH 442*450*225mm 75kg Yes Available 8000times 15years
48V 200AH 800*500*160mm 100kg Yes Available 8000times 15years
48V 300AH 800*500*350mm 150kg Yes Available 8000times 15years
48V 400AH 800*500*350mm 200kg Yes Available 8000times 15years
48v 500AH Standard   19in Rack 250kg Yes Available 8000times 15years
48V 600AH Standard   19in Rack 300kg Yes Available 8000times 15years
48V 800AH Standard   19in Rack 400kg Yes Available 8000times 15years
48V 1000AH Standard   19in Rack 1000kg Yes Available 8000times 15years




customer reviews





why RJ

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. 15 years warranty with CE certificate. Professional after-sales service, give instruction on how to use the products.

                                   CONTACT US GET A LATEST QUOTE NOW!                 


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