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Details: ★★★★★     2022 Polly-21700 5C Battery Case for 52pcs 21700 Cells with inner 9 tube Controller   1--Voltage: 36V or 48V or 52V 2--Charge Port: 2.1DC 3--Dimension: 368x115x95mm 4--Recommend configration:10S5P,13S4P,14S3P max 52pcs 21700 cells. 5--Carrier for bike included 6--With Power Switch and LED capacity indicator. 6--If you need inner controller you can choose it.   Specification of the controller: 1--Voltage: 48V/36V 2--Maximum current: 22A±1A 3--With ... more info

Details: ★★★★★     2022 Polly-21700 4C Battery Case for 40pcs 21700 Cells with inner 9 tube Controller   1--Voltage: 36V or 48V or 52V 2--Charge Port: 2.1DC 3--Dimension: 368x103x95mm 4--Recommend configration:10S4P,13S3P max 40pcs 21700 cells. 5--Carrier for bike included 6--With Power Switch and LED capacity indicator. 6--If you need inner controller you can choose it.   Specification of the controller: 1--Voltage: 48V/36V 2--Maximum current: 22A±1A 3--With Julei ... more info

Details: ★★★★★   2022 Polly Battery DP-4C 36V20AH 21700 Li-ion Battery Pack for Ebike SPECIFICATION: 1-Normal voltage:36V 2-Capacity:20AH 3-Cells in series:10S4P, total Cells:40 pcs China brand cells 21700-5AH 3C 4.Battery case dimension:368*103*95mm 5-Continuous discharge:20A 6-Peak discharge current:40A 7-Charge port:2.1DC 8-Overvoltage Protection:42V 9-Undervoltage Protection:27.5V 10-BMS including. 11-Power Switch 12-LiFeCycle:1200cycles 13-N.W.: about 3.8KG 14- This battery is not ... more info

Details: ★★★★★   2022 Polly Battery DP-5C 36V25AH 21700 Li-ion Battery Pack for Ebike SPECIFICATION: 1-Normal voltage:36V 2-Capacity:25AH 3-Cells in series:10S5P, total Cells:50 pcs China brand cells 21700-5AH 3C 4.Battery case dimension:368*125*95mm 5-Continuous discharge:20A 6-Peak discharge current:40A 7-Charge port:2.1DC 8-Overvoltage Protection:42V 9-Undervoltage Protection:27.5V 10-BMS including. 11-Power Switch 12-LiFeCycle:1200cycles 13-N.W.: about 4.2KG 14- This battery is not ... more info

Details: ★★★★★   2022 Polly Battery DP-5C 48V20AH 21700 Li-ion Battery Pack for Ebike SPECIFICATION: 1-Normal voltage:48V 2-Capacity:20AH 3-Cells in series:13S4P, total Cells:52 pcs China brand cells 21700-5AH 3C 4.Battery case dimension:368*125*95mm 5-Continuous discharge:20A /30A 6-Peak discharge current:40A/80A 7-Charge port:2.1DC 8-Overvoltage Protection:54.6V 9-Undervoltage Protection:35.6V 10- BMS including. 11-Power Switch 12-LiFeCycle:1200cycles 13-N.W.: about 5.4KG 14- 20A ... more info

Details: ★★★★★   2022 Polly Battery DP-4C 48V15AH 21700 Li-ion Battery Pack for Ebike SPECIFICATION: 1-Normal voltage:48V 2-Capacity:15AH 3-Cells in series:13S3P, total Cells:39 pcs China brand cells 21700-5AH 3C 4.Battery case dimension:368*103*95mm 5-Continuous discharge:20A 6-Peak discharge current:40A 7-Charge port:2.1DC 8-Overvoltage Protection:54.6V 9-Undervoltage Protection:35.6V 10-BMS including. 11-Power Switch 12-LiFeCycle:1200cycles 13-N.W.: about 3.7KG 14- This battery is ... more info