21700 Ebike Battery High Capacity 72V 60V 52V 48V 36V 40Ah 30Ah 20Ah Downtube Pack for Electric Bike Scooter 500W-3000W Motor

21700 Ebike Battery High Capacity 72V 60V 52V 48V 36V 40Ah 30Ah 20Ah Downtube Pack for Electric Bike Scooter 500W-3000W Motor

Why Choose Electric Bicycle Battery Factory 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 aftersales support and warranty repairs/replacements.

Feature:

1. Life expectancy is two times that of lead-acid batteries.The weight is more lighter.

2. No memory effect and rechargeable.the battery pack life is more longer.

3. Safer and more environmentally friendly,No heavy metals and hazardous ubstances.environment friendly.

4. Built-in BMS system will prevent battery pack over-charge, over-discharge, over-current, over-heat, short circuit.

5. Before send out,Over-discharging test/ Over-charging test/Short Circuit Safety Test/Extrusion Safety Test.

6. Use high quality 3C-5C Discharge Rate 18650 Power battery Cell like Samsung cell, LG cell, Panasonic cell or China Brand Grade A cell.The customer also can Customize Imported battery cell as request.

7. 1 years warranty.

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