21700 Electric Bike 72V 60V 52V 48V 36V 24AH 35AH Downtube Jumbo Polly Battery Pack for Scooter 500W 750W 1000W 1500W 2000W Kit

Parameter	36V28.8Ah 20A BMS	36V33.6Ah 20A BMS	48V24Ah 40A  BMS	52V24Ah 40A  BMS	60V19.2Ah 50A BMS	72V14.4Ah 40A BMS
Nominal Voltage	36V	36V	48V	52V	60V	72V
Nominal Capacity	28.8Ah	33.6Ah	24Ah	24AH	19.2AH	14.4AH
Nominal Watt Hour	1036WH	1209WH	1152WH	1248WH	1152WH	1036WH
Composed Type	10S6P	10S7P	13S5P	14S5P	16S4P	20S3P
Built-in BMS	20A	40A	40A	40A	50A	40A
Fit Motor Power	36V 250W 350W 500W maximum	36V 250W 350W 500W 750w 1000w maximum	48V 350W 500W 750W 1000W 1500W max	48V/52V 350W 500W 750W 1000W 1500W max	60V 500W 750W 1000W 1500W 2000W max	72V 500W 750W 1000W 1500W 1800W 2000W
Charge Cut-off Voltage	42V	42V	54.6V	58.8V	67.2V	84V
Discharge Cut-off Voltage	28V	28V	36.4V	39.2V	44.8V	56V
Battery Weight	5.3KG	6KG	5.6KG	6KG	5.6KG	5.4KG
Battery Charger	42V3A	42V3A	54.6V3A	58.8V3A	67.2V3A	84V2A
Battery Pack Cell	L-G 4800mAh Grade A 21700 cells over 1000 Cycles life
Dimension	368*95*150mm	368*95*150mm	368*95*150mm	368*95*150mm	368*95*150mm	368*95*150mm

 

Parameter	36V35Ah 40A	48V25Ah 45A	52V25Ah 40A	60V20Ah 50A	72V15Ah 40A
Nominal Voltage	36V	48V	52V	60V	72V
Nominal Capacity	35Ah	25Ah	25Ah	20AH	15AH
Nominal Watt Hour	1260WH	1200WH	1300WH	1200WH	1080WH
Composed Type	10S7P	13S5P	14S5P	16S4P	20S3P
Built-in BMS	20A	40A	40A	50A	40A
Fit Motor Power	36V 250W 350W 500W maximum	48V 350W 500W 750W 1000W 1500W max	48V/52V 350W 500W 750W 1000W 1500W max	60V 500W 750W 1000W 1500W 2000W max	72V 500W 750W 1000W 1500W 1800W 2000W 2250W Max
Charge Cut-off Voltage	42V	54.6V	58.8V	67.2V	84V
Discharge Cut-off Voltage	28V	36.4V	39.2V	44.8V	56V
Battery Weight	6KG	5.7KG	6KG	5.5KG	5.3KG
Battery Charger	42V3A	54.6V3A	58.8V3A	67.2V3A	84V2A
Battery Pack Cell	Sam--ng 50E mAh Grade A 21700 cells  over 1000 Cycles life
Dimension	368*95*150mm	368*95*150mm	368*95*150mm	368*95*150mm	368*95*150mm

 

Which Battery Should I choose?

This really depends on the application and can be a hard question. First you need to get a battery voltage match to your motor request , then the capacity , high capacity can make your bike longer trip but more expensive , also need to choose a right amps BMS to fit your motor . do your research if this is your first ebike kit to make sure you are getting the right battery for your needs.

What cells are your battery packs made up of?

All our packs are made up of authentic Grade A 18650  battery cells made in China , Korea or Japan. We use Sanyo Panasonic Samsung , LG or Chinese A grade brand cells and only use the very best models of these brands. and all of our battery would never

What is a BMS Battery management system.

The circuit board that makes your ebike battery “smart”.  All of our packs have state of the art BMS to keep your pack safe.

How many volts should I choose?

Depending on your controller.   All 48v controllers can handle either 48v or 52v packs. If you have a 36 volt controller however you will need to upgrade it before you can run a 48 or 52v pack.

How many amps do I need?

Also depending on your ebike motor voltage(V) and power(W), here is for your reference , If your motor is not included by belows , just contact us to check :

36V 20Amps for 36V 200-500W motor maximun ;

36V 25Amps for 36V 200-700W motor maximun ;

48V 30Amps for 48V 200-1000W maximun ;

48V 40Amps for 48V 200-1500W motor maximun ;

48V 50Amps for 48V 200-1800W motor maximun ;

52V 30Amps for 48V/52V 200-1000W maximun ;

52V 40Amps for 48/52V 200-1500W maximun ;

52V 50Amps for 48V/52V 200-2000W maximun

60V 50Amps for 60V 200-2250W maximum

60V 60Amps for 60V 200-2500W maximum

72V 50Amps for 72V 200-2800W maximum

72V 60Amps for 72V 200-3350W maximum

Certificate

Warning :

Don't hit, pierce, strike, trample or throw the battery.

Don't put the battery in the water, keep the battery cool and dry condition .

Don't put the battery near a heat source such as fire or heater.

Use the specified charger that come with the battery

Don't reverse the position and negative pole.

Don't connect the positive and negative terminals with metal objects which would cause short circuit

Don't transport or store the battery with metal objects together , such as hairpins, necklaces, etc.

But beware that following situations are beyond our guarantees.

>The battery goes over water

> The battery is broken man-made

> Incorrect unsing the battery not according the instrucitons

> Open a case without contacting us