E-Bike Power Battery

Publish time 2025-10-13 17:09

60V Specifications

Model	QM60-50	QM60-100
Electrical
Nominal Voltage	64 V
Operation Voltage	50 - 73 V
Rated Capacity	50 Ah	100 Ah
Rated Energy	3.2 kWh	6.4 kWh
Estimated Range Per 100% SOC	50-60 miles (80-95 km) @ 40km/h	100-120 miles (160-190 km) @ 40km/h
Suggested DoD	< 90%
Max DoD	100%
Self-Discharge	< 3% per Month
Cells Type	LiFePO4 Prismatic
Cell Model	3.2 V 50 Ah	3.2 V 100 Ah
Cells Configuration	20S1P	20S1P
Balancing	400 mA, Active Balancing
Charge
Charge Voltage	72 V
BMS Charge Voltage Cut-Off	72 V
Recommended Charge Current	< 25 A	< 50 A
Max. Continuous Charge Current	50 A	100 A
Charge Temperature	0 - 55 °C (32 - 131 °F)
Discharge
Max. Continuous Discharge Current	60 A	100 A
Peak Discharge Current	100 A @ 10S	200 A @ 10S
Recommended Low Voltage Cut-Off	58 V
BMS Discharge Voltage Cut-Off	50 V
Discharge Temperature	-20 - 60 °C (-4 - 140 °F)
Mechanical
Dimensions	320 * 260 * 160 mm (12.6 * 10.24 * 6.3 inch)	560 * 240 * 180 mm (22.05 * 9.45 * 7.09 inch)
Weight	31 kg (68.34 lbs)	56 kg (123.46 lbs)
Terminal Type	Charge: C14 Inlet or Anderson, Discharge: Anderson
Case Material	Powder Coated Steel
Enclosure Protection	IP65
Communication
LCD Screen	Yes	Yes
Bluetooth	Yes	Yes
CAN	Yes	Yes
Safety And Warranty
Protection Function	Overcharge, Over-discharge, Over current, Short Circuit, Over Temperature, Under Temperature
Storage	0 - 40 °C (32 - 104 °F), < RH 80%, > 60% SOC
Warranty	2 Years
Lifespan	10 years or 3500 Cycles @ 25°C, 80% EOL
Certificates	CE, RoHS, UN38.3, IEC, MSDS

1. All specifications shown above are subject to change during products improving at any time without prior notice.

2. For other batteries not listed above, customization is also available.

72V Specifications

Model	QM72-50	QM72-100
Electrical
Nominal Voltage	76.8 V
Operation Voltage	60 - 87.6 V
Rated Capacity	50 Ah	100 Ah
Rated Energy	3.84 kWh	7.68 kWh
Estimated Range Per 100% SOC	65-75 miles (105-120 km) @ 50km/h	130-150 miles (210-240 km) @ 50km/h
Suggested DoD	< 90%
Max DoD	100%
Self-Discharge	< 3% per Month
Cells Type	LiFePO4 Prismatic
Cell Model	3.2 V 50 Ah	3.2 V 100 Ah
Cells Configuration	24S1P	24S1P
Balancing	400 mA, Active Balancing
Charge
Charge Voltage	72 V
BMS Charge Voltage Cut-Off	72 V
Recommended Charge Current	< 25 A	< 50 A
Max. Continuous Charge Current	50 A	100 A
Charge Temperature	0 - 55 °C (32 - 131 °F)
Discharge
Max. Continuous Discharge Current	60 A	100 A
Peak Discharge Current	100 A @ 10S	200 A @ 10S
Recommended Low Voltage Cut-Off	69.6 V
BMS Discharge Voltage Cut-Off	60 V
Discharge Temperature	-20 - 60 °C (-4 - 140 °F)
Mechanical
Dimensions	460 * 230 * 160 mm (18.11 * 9.06 * 6.3 inch)	640 * 240 * 180 mm (25.2 * 9.45 * 7.09 inch)
Weight	36 kg (79.37 lbs)	63 kg (138.89 lbs)
Terminal Type	Charge: Anderson, Discharge: Anderson
Case Material	Powder Coated Steel
Enclosure Protection	IP65
Communication
LCD Screen	Yes	Yes
Bluetooth	Yes	Yes
CAN	Yes	Yes
Safety And Warranty
Protection Function	Overcharge, Over-discharge, Over current, Short Circuit, Over Temperature, Under Temperature
Storage	0 - 40 °C (32 - 104 °F), < RH 80%, > 60% SOC
Warranty	2 Years
Lifespan	10 years or 3500 Cycles @ 25°C, 80% EOL
Certificates	CE, RoHS, UN38.3, IEC, MSDS

1. All specifications shown above are subject to change during products improving at any time without prior notice.

2. For other batteries not listed above, customization is also available.

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