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Details: ★★★★★   Polly DP-5C 36V17.5AH Panasonic NCR18650GA Battery Pack SPECIFICATION:   1-Normal voltage:36V 2-Capacity:17.5AH 3-Cells in series:10S5P, total cells:50 pcs Panasonic NCR18650GA 3500mah cells. 4.Battery case dimension:368*90*96mm 5-Continuous discharge:20A 6-Peak discharge current:40A 7-Charge port:2.1DC plug 8-Overvoltage Protection:42V 9-Undervoltage Protection:27.5V 10-BMS including. 11-LiFeCycle:1200cycles 12-N.W.: about 3.0KG 13- This battery is not ... more info

Details: ★★★★★   Polly DP-5C 48V14AH Panasonic NCR18650GA Battery Pack SPECIFICATION:   1-Normal voltage:48V 2-Capacity:14AH 3-Cells in series:13S4P, total cells:52 pcs Panasonic NCR18650GA 3500mah cells 4.Battery case dimension:368*90*96mm 5-Continuous discharge:20A 6-Peak discharge current:40A 7-Charge port:2.1DC plug 8-Overvoltage Protection:54.6V 9-Undervoltage Protection:35.75V 10-BMS including. 11-LiFeCycle:1200cycles 12-N.W.: about 3.0KG 13- This battery is not suitable for ... 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-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-DP-5C Battery Case 52pcs 18650 Cells+ Inner 9 Tube Controller 1--Voltage: 36V or 48V or 52V 2--Charge Port: 2.1DC 3--Dimension: 368x96x90mm 4--Recommend configration:10S5P,13S4P max 52pcs 18650 cells. 5--Carrier for bike included 6--With Power Switch and LED capacity indicator. 6--If you need inner controller and holder, you can choose it   Specification of the controller: 1--Voltage: 48V/36V 2--Maximum current: 22A±1A 3--With Julei ... more info

Details: ★★★★★   Polly-DP-6 36V/48V/52V Battery case 70pcs 18650 cells  1--Voltage: 36V or 48V or 52V 2--Charge Port: 2.1DC 3--Dimension: 368x113x90mm 4--Recommend configration:10S6P,13S5P,14S5P max 70pcs 18650 cells. 5--Carrier for bike included 6--With Power Switch and LED capacity indicator. 7--Charge and discharge port: 5Pins Specification of the BMS:   1.10S 13S BMS 2.Discharge current:20A(can fit 250-500W motor), 30A(can fit 700-1000W motor) 3.Max Charge ... more info