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Lithium Battery 48V 50AH Extreamly Safe with BMS Multiple Built-in Protections

Direct drop-in replacement for lead-acid batteries
  • RJ-LFP4850G

  • RJ

  • RJ-LFP4850G


                           6000CYCLES - 10years Warranty - FACTORY PRICE         

RJ TECH 36v 48v 72v lithium golf cart batteries is designed as a direct drop-in replacement for lead-acid batteries with more than twice the run-time and half the weight, compatible for all high power gears, outstading performance in high demanding conditions.

RJ OEM for many golf cart battey companies around the world, We can customize any dimensions battery to perfectly meet the battery space in many known golf cart.

Perfect for Golf Cart brands:Club Car, EZGO, YAMAHA, LVTONG  Star EV · American Custom Golf Carts (ACG) · Polaris GEM · Garia · Tomberlin, etc.

Stronger acceleration up hills with less charging time. More than 6,000 life cycles. Longer lasting and longer range. 

Outstanding 10 years warranty brings you a peace of mind.

Golf battery-48v-50ah 6

Battery Type LiFePO4
Voltage 51.2V
Capacity 50Ah
Energy 2560Wh
Internal Resistance ≤15mΩ
Limited Charge Voltage 58.4V
Charge Method CC/CV
Discharge Cut-off Voltage 42V
Charge Current <=50A
Discharge Current <=50A 
Pulse Discharge Current 150A (Peak)
Cycle Life > 6000 cycles
Dimension (mm)

460×334×247 mm

Weight 23Kg
Built in BMS Yes
Charge Temperature Range 0~55℃
Discharge Temperature Range -20~65℃
Recommended Operating Temperature 15~55℃
Certifications UL/CE/UN38.3/MSDS/IEC62619
Waterproof rating IP67
Warranty 10Years

Golf battery-48v-50ah 4

Golf battery-48v-50ah 3

MK-LiFePO4 Charger-1


•          More than 6000 Cycles

•          Battery modules available for parallel for higher voltage and capacity

•          BMS cell balance funciton

•          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

•          Fast charging and high power discharge rate available

•          No need to add water nor worry about maintenance.


No. Item Test Item Criterion
1 Voltage Charging Voltage DC:58.4V 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 50A
Rated continuous discharging current 50A (Peak 150A)
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~+85℃

Golf battery-48v-50ah 1

Bluetooth Function (Optional)


LiFePO4 technology offers high-powered cell performance compatible with lots of lithium-ion
application to deliver more power and extend long life. Also builted with bluetooth function allow

you to read battery status freely anytime via your smart phone.


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