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


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48V 120Ah Lithium Battery LiFeP04 battery Pack Kit Golf Cart Trolley

48volt 120ah LiFePO4 Prismatic Cell China Manufacturer Residential Commercial Energy System
  • RJ-LFP-48120-S

  • RJ

  • RJ-LFP-48120-S


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 cells!



Items Parameter
Battery Type LiFePO4
Nominal Voltage 51.2V
Nominal Capacity 120Ah
Energy 6144Wh
Internal Resistance ≤15mΩ
Series & Parallel Application up to 10 parallel connected application
Limited Charge Voltage 58V
Floating Charge Voltage 54V
Charge Method CC/CV
Discharge Cut-off Voltage 40V
Charge Current 100A (Customizable)
Continuous Discharge Current 100A (Customizable)
Pulse Discharge Current 200A (Peak)
Cycle Life > 6000 cycles @100%DOD
Dimension (mm) 442mm*450mm*225mm(Customizable)
Weight 73Kg
Charge Temperature Range 0~45℃
Discharge Temperature Range -20~60℃
Recommended Operating Temperature 15~35℃
Self-Discharge Rate (Residual capacity) ≤3%/month; ≤15%/years
Self-Discharge Rate (Reversible capacity) ≤1.5%/month; ≤8%/years
Storage Temperature & Humidity Range (Less than 1 month) -20~35℃, 45~75%RH
Storage Temperature & Humidity Range (Less than 3 months) -10~35℃, 45~75%RH
Recommended Storage Temperature & Humidity Range 15~35℃,45~75%RH




•          More than 6000 Cycles @100% DOD ( depth of discharge)

•          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.



No. Item Test Item Creterion
1 Voltage Charging Voltage DC:14.4V CC/CV
Balance voltage for single cell 3.50±0.025V
2 Current Balance voltage for single cell 35±5mA
Current consumption ≤50μA
Charging current 30A
Rated continuous discharging current 100A (Peak 200A)
3 Over charge Protection Over charge detection voltage for single cell 3.65V±0.025V
Over charge detection delay time 0.7S—1.3S
Over charge release voltage for single cell 3.550±0.05V
4 Over discharge Protection Over discharge detection voltage for single cell 2.50V±0.07V
Over discharge detection delay time 1.6±0.5S
Over discharge release voltage for single cell 3.00±0.75V
5 Over current Protection Over current detection current 500±50A
Over current detection delay time 1.6±0.5S
Release condition Cut load
6 Short Protection Detection condition Exterior short circuit
Detection delay time 230uS—500uS
Release condition Cut load
7 Resistance Protection circuitry (MOSFET) ≤60mΩ
8 Temperature Operating Temperature Range -40~+85℃
Storage Temperature Range -40~+125℃

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!



LIFEPO4 Dimensions Weight with BMS Bluetooth/RS485 Life Cycles Warranty
48V 10AH 195*165*175mm 8kg Yes Available 6000times 5years
48V 20AH 240*158*190mm 14kg Yes Available 6000times 5years
48V 30AH 330*175*220mm 20kg Yes Available 6000times 5years
48V 40AH 330*175*220mm 28kg Yes Available 6000times 5years
48V 50AH 522*237*215mm 33kg Yes Available 6000times 5years
48V 60AH 525*240*215mm 40kg Yes Available 6000times 5years
48V 75AH 522*270*215mm 42kg Yes Available 6000times 5years
48V 80AH 525*273*225mm 48kg Yes Available 6000times 5years
48V 100AH 350*540*160mm 55kg Yes Available 6000times 5years
48V 120AH 442x450x225mm 62kg Yes Available 6000times 5years
48V150AH 442*450*225mm 75kg Yes Available 6000times 5years
48V 200AH 800*500*160mm 100kg Yes Available 6000times 5years
48V 300AH 800*500*350mm 150kg Yes Available 6000times 5years
48V 400AH 800*500*350mm 200kg Yes Available 6000times 5years
48v 500AH Standard 19in Rack 250kg Yes Available 6000times 5years
48V 600AH Standard 19in Rack 300kg Yes Available 6000times 5years
48V 800AH Standard 19in Rack 400kg Yes Available 6000times 5years
48V 1000AH Standard 19in Rack 1000kg Yes Available 6000times 5years




production line


customer reviews





packing & delivery


why RJ

1. Quick delivery

Fast delivery is key factor for clients to compete in the market. We attach much importance to quick delivery as much 

as we do in our LiFepo4 lithium battery quality. We will keep our clients updated with tracking number all the time and latest tracking info until the order of LiFePO4 lithium Battery arrives at our clients safely.


2. Top quality

As a LiFePO4 lithium battery Manufacturer for over 16years in China, We have been devoting ourselves into innovative 

R&D of LiFePO4 Lithium Battery, Top quality is what makes RJ distinguished in todays market and what earns RJ a highly reputation in the international market of LiFepo4 Lithium Battery.


3. Customization Available

We can help customize the charge and discharge characteristics of LiFepo4 lithium battery to meet your specific needs, 

 and We can print your company logo on the LifePO4 battery to help advertise your company in the market


4. 7*24 service

Timely and reliable customer service is very important to our clients, which will influence a smooth relationship Therefore, we 

are and will always provide very Professional Pre-sales as well as Whole-hearted after-sales service for 24hours a day, 7days a week


5. Reliable Warranty

We offer 5Years warranty for our regular products, and offer 10years warranty for some of our enhanced products. If any defective LiFepo4 battery occur, we will send you a brand new one free of charge, and you do not need to return the defective one because we understand the international shipping fee is too expensive.RJ believe when we do our service with whole heart, We will earn our customers trust and earn our high reputation back!



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