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52V 20AH Battery Specifications

52V 20AH 1040Wh Triangle Battery

High-performance lithium-ion rechargeable battery with advanced BMS protection

Basic Parameters

Parameter Value
Battery Model 52V 20AH 1040Wh Triangle Battery
Battery Type Lithium-ion rechargeable battery
Production Process 14S 4P
Standard Voltage 52V
Battery Capacity 20AH
Dimensions 225*140*70*180*50*85mm
Weight Approx. 4.5KG

Cell Parameters

Parameter Value
Cell Brand SAMSUNG
Cell Model INR21700-50G
Cell Type Lithium-ion rechargeable battery
Nominal Voltage 3.6V
Nominal Capacity 5000mAh
Max Continuous Discharge 9.8A (Continuous Discharge ~2C)
Peak Discharge 15A
Charge Cut-off Voltage 5A, 4.20V, CCCV 100mA cut-off
Discharge Cut-off Voltage 15A, 2.5V cut-off

BMS Specifications

Parameter Value
BMS Brand JBD/ANT/JK
Selection Criteria Determined by discharge current, battery dimensions, or customer requirements
Installation Built into the battery pack
Communication Bluetooth and WiFi
Compatibility Supports iOS and Android systems
Functions Real-time monitoring, remote control
Optional Extensions CAN BUS/RS485/GPS (Customizable)

Battery Pack Performance

Parameter Value
Charge Cut-off Voltage 58.8V (Full charge state, charging stops)
Discharge Cut-off Voltage 35V (Automatic protection activates, discharge stops)
Rated Discharge Current Calculated based on motor power
Continuous Discharge Current Determined by BMS current rating
Peak Discharge Current Determined by motor power and BMS peak current capacity

Charger Specifications

Parameter Value
Input Voltage Universal 110V~240V (Worldwide compatibility)
Output Current Standard 58.8V 5A
Charging Method Constant Current & Voltage (CC & CV)
Charging Time 80% capacity in 3.5 hours, Full charge in 4-5 hours
Plug Options Country-specific cords available (US/EU/UK/AU standards)

Temperature Specifications

Parameter Value
Battery Operating Temperature (Charging) 0 to 60℃ (Recommended < 45℃ during charging)
Battery Operating Temperature (Discharging) -20 to 60℃ (Must maintain < 60℃ during discharge)
Charger Operating Temperature 0 to 60℃ (Recommended < 45℃ during charging)

Important Notes

State of Charge (SOC)

Optimal: Maintain 40-60% (3.7-3.8V per cell)

Prohibited: Long-term storage at <10% or 100% SOC (accelerates aging)

Temperature Control

15-25°C: Ideal environment (<2% annual degradation)

-20~45°C: Permissible range (requires SOC control)

50°C or <-30°C: Strictly prohibited (hazard risk)

Physical Protection

Avoid compression/impact (even with ABS casing)

Keep away from metal objects to prevent short circuits

Recommendations

For long-term storage (>1 month), perform periodic brief charge/discharge cycles to maintain lithium-ion activity and ensure normal energy output. We recommend performing a shallow cycle (30%→80%) every 3 months.