48V 36V 52V 20AH 25AH Ebike Battery 21700 Electric Bike Downtube Polly Battery Lithium for Motor 1500W 1000W 750W 500W 350W

UNITPACKPOWER Outlet Store is UPP’s overseas managed store on the AliExpress platform. It is managed uniformly by the AliExpress platform. The battery warranty is 1 year. If you have many battery problems, please go to our self-operated store on AliExpress. More professional customer service. In addition to overseas hosted SKUs, our batteries can also be customized. If you have any questions, please contact the customer service of the following store. Thank you. The following is the website address.

Why choose our Unit Pack Power store :

1.Factory direct store :we can supply you any model you need , from Downtube/Triangle/PVC/Bottle battery/Seat post/Rear rack/others battery, from 24V 36V 48V 52V 60V to 70V for 200W motor to 4000W motor, just check our store catalogue(BTW, we have two store on Aliexpress, we and official store from same UnipPackPower company)

For personal buyer : we can provide you professional technician support,quality warranty,aftersalse service
For wholesale buyer : we can provide you technician support as well as OEM&ODM customs service/ Dropshipping service

2.Battery quality :UnitPackPower only use grade A cell for battery ,never use cheap/false cells with false capacity/low price to attrack buyers .And Best protection board,high performance charger.Strict for each production process , qualified nickel strap,ensure the safety and long circle life of battery.Good Quality and battery safety is most importance

3. Aftersalse:We have Germany , UK , USA , Canada , Australia local service center,Fast delivery , 15days no reason free return service , 1 year warranty, repaired service & accessories replacment service. And UnitPackPower batteries have insured to International Insurance, rest assured to buy.

4.Shipping time ：If from local warehouse,delivery time normally 3-7days.If the item you order is from China, for EU buyer please notice that , the default shipping method is train shipping, need 70-90days, if you cannot wait , please ship by air with air shipping cost.or choose to buy from Germany warehouse.

5.UnitPackPower batteries have insured to International Insurance, rest assured to buy.

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 if for 36V 500W motor maximun ;

36V 25amps if for 36V 700W motor maximun ;

48V 30amps if for 48V 1000W motor maximun ;

48V 45amps if for 48V 1500W motor maximun ;

48V 50amps if for 48V 1800W motor maximun ;

52V 30amps if for 48V/52V 1100W motor maximun ;

52V 40amps if for 48/52V 1500W motor maximun ;

52V 50amps if for 48V/52V 1800W motor maximun ;

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

Notice :

Ship from USA : 2-5days to USA

Ship from Germany : Within 7days to most of EU countries ,

Ship from China : If ship to Europe , will ship by train, free tax 40-60days , If ship by air 18-20days ; If ship to USA/Canada , free tax , will ship by air 18-20days ; If ship to Austrailia , ship by air 18-20days ; other countries it depends .

If have some out of control delay by shipment please understand and be patient , it will be worthy to wait for it .