21700 EBike Battery Downtube Polly 72V 60V 52V 48V 24Ah 36V 27Ah 22.5Ah 14.4Ah Baterias for 2000W 1500W 1000W 750W 350W Motor

Why Chooice UnitPackPower Official Store?

1) Factory Direct Store: We assemble all batteries in our own factory, never use fake or cheap cell pack sell at lowest price to attract buyers. In addtion, we have to scrimp on everything, assemble them as quickly/cheaply as possible. We don’t take chances when it comes to our batteries or your safety!

2) Official High Quality Cell Sources: We only source genuine A-grade genuine cells from the official sources.

3) Every Battery Made Cycle Test: Each pack is ran through a full charge and discharge before leaving our facility to make sure you are getting every amp hour you paid for.

The test include:

Short Circuit Safety Test √ Overcharge Safety Test √ Crush Safety Test √ Needing Safety Test √ Extrusion Safety Test √

4) Best Oversea After-sale Service: We do all this and offer it at our usual low pricing, we don’t charge a premium for Safety and Reliability. We have a proven track record of offering great after-sales support and warranty repairs/replacements. We will not leave you stuck (18 Month warranty, with Support Centres in Germany&Belgium&USA&Canada&Australia).

21700 Lithium Cell Polly Ebike Battery Specifications

Guarantee

1) We provide 18month warranty for all electric bike batteries.
2) Any battery with quality problem within one month we can resend you a new one after provide your proof.
3) Any battery with quality problem within one year, we provide free repaired.
4) All our electric bicycle batteries with high quality cells and BMS, and they will be 100% tested before shipping.
Top brand lithium battery manufacturer in China, rest assured to buy.

We don't supply warranty service for the following situation:

1) The battery goes over the water.
2) The battery is broken by man-made.
3) The cells are burnt out after incorrect using.
4) Return the battery without reason.
5) Open a dispute without contacting us.

Feedback

1) Our battery can fit most of motor kit, exclude(not only) these:B0S-CH, SHI-MA-NO, YA-MA-HA, Pa-na-so-nic.
2) Please contact us If you can't confirm whether our battery can fit your motor.
3) If you have any problems please feel free to contact with us BEFORE you leave negative feedback or file a dispute.
4) Any problem is not a problem, as long as you contact us.
5) Your satisfaction and positive feedback is very important to us.
6) Please kindly leave us a positive feedback and 5 Stars if you are satisfied with our items and services.