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China Lithium-ion Battery Manufacturer Supply Battery for E-bike BZ 18650 2P7S 25.9V 5200mAh Rechargeable Li-Ion Battery

In stock
BZ 18650 2P7S 25.9V 5200mAh

Price: US $23-24.5 / Piece
Min. Order: 500 Pieces
Please contact us for the order !

Model Number:18650 2P7S
Type: Li-Ion
Nominal Voltage: 25.9v
Size: MAX68×74×74mm
Nominal Capacity: 5200mAh
Weight: 636g
Cycle life: More than 500 times


li-ion battery

18650 2P7S 25.9V 5200mAh Rechargeable Li-Ion Battery

Battery for E-bike BZ 18650 2P7S 25.9V 5200mAh

China Lithium-ion Battery Manufacturer

BZ 18650-2P7S 25.9V 5200mAh rechargeable li-ion battery

No. Item General Parameter Remark
1 Rated Capacity Typical 5200mAh Standard discharge0.2C C5A) after Standard charge
Minimum 5400mAh
2 Nominal Voltage 25.9V Mean Operation Voltage
3 Voltage at end of 19.6V Discharge Cut-off Voltage
4 Charging Voltage 29.4±0.03V  
5 Internal Impedance ≤500mΩ Internal resistance measured at AC 1KHZ after 50% charge
The measure must uses the new batteries that within one week after shipment and cycles no more than 5 times
6 Standard charge Constant Current 0.2C5A Charge time : Approx 6h
Constant Voltage 29.4V
0.01 C5A cut-off
7 Standard discharge Constant current 0.2 C5A  
end voltage 3.0V
8 Fast charge Constant Current 0.5C5A Charge time : Approx 2.5h
Constant Voltage 19.6V
0.01 C5A cut-off
9 Fast discharge Constant current 0.5C5A  
end voltage29.4V  
10 Maximum Continuous Charge Current 1 C5A  
11 Maximum Continuous Discharge Current 1C5A  
12 Operation Temperature Range Charge: 0~45 60±25%R.H.
Bare Cell
Discharge: -20~60  
13 Storage Temperature Range Less than 1 year: -20~25 60±25%R.H.
less than 3 months: -20~40℃ at the shipment state
14 Pack  Dimension

High: max74mm 

Width: max74mm

Thickness: max68mm

Initial  Dimension

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