Free Customs Fee 51.8V E-Bike Battery 20Ah Triangle Battery 52V 20Ah Electric Bicycle Lithium Battery for 1000W 2000W Motor Kits

View Cart

Free Customs Fee 51.8V E-Bike Battery 20Ah Triangle Battery 52V 20Ah Electric Bicycle Lithium Battery for 1000W 2000W Motor Kits.

Battery Suitable Motor power 250W 350W 450W 500W 750W 800W 1000W 1200W 1500W 1800W 2000W
Suitable Gear motor, Gearless motor, Brushless DC motor etc
Suitable bafang motor, Tongsheng motor, Golden motor etc
Electric Bike Battery Specifications:
Nominal Voltage: 52V
Nominal Capacity:21AH
Cells: 18650 2500MAH 2600MAH Power Cells
BMS: 30A-50Amp continuous 50±10Amp maximum
Charge Current: 2A-5A
Charge Cut-off Voltage: 58.8V
Discharge Cut-off Voltage: 41V
Discharge Temperature: -20 to 65°C
Charge Temperature: 0 to 65°C
Dimensions: 330*310*200*80*70*50MM(difference:+/- 5MM)
Cycle life: ≥80% capacity after 800 cycles.

Charger Plug:

Electric bicycle batteries with US EU UK AU charger AC plug, it will be matched as delivery country if without request.

Discharge Connector:

Please mark the discharge port you need at the time of purchase. if without request will send with naked cables or the picture default connector.

Battery Feature and Advantage:

1. High energy density, Fast charging
2. Light weight, small size Pollution-free, environment friendly
3. Long cycle life; It extends its cycle life up to 500-800 cycles
4. With short-circuit production function, safe and reliable
5. Large overcharge tolerance and safe performance the battery life is more longer
6. Simplifying battery management system (BMS such as overcharge/ discharge,over current, short circuit,over temperature and balancing) and Battery Charger


We provide 1 year warranty for all electric bike batteries.

Any battery with quality problem in one month we can return the money after you provide the proof.

After one month we can send BMS or cells to you for repair,or you can send it back to repair as well.

All our electric bicycle batteries with high quality cells and BMS, and they will be 100% tested before shipping.


Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services.

If you have any problems with our items or services, please feel free to contact us BEFORE you leave negative feedback.It is impossible to address issues if we do not know about them.

Future orders discount Policies:

All the customers second order can get some discount, you can order again, or recommend your friends order at our store.Please contact us first, and send your last order number, so we can give a discount for your new order.


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location*Estimated Shipping Time
United States10-30 Business days
Canada, Europe10-30 Business days
Australia, New Zealand10-30 Business days
Central & South America15-30 Business days
Asia10-20 Business days
Africa15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Sherry Mart (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

There are no reviews yet

Write a Review

A few reasons why buy from us:


We try our best to make your shopping experience not only pleasant, seamless and hassle-free, but also secure.


Enjoy flexible international shipping services that currently operate in over 200 countries across the world.


It's okay to change your mind! You can send your order back for a full refund, we've got you covered with our full Buyer protection.


Brand new products are available on a regular basis.


We don't want you to choose between the best value and the best service. That's why we offer competitive pricing.


Knowledgeable and professional support team is always happy to help you.


Check your order status online. As easy as that!

Recommended For You Recently Viewed
Recommended For YouRecently Viewed
Worldwide Shipping
Hassle Free Returns
100% Secure Checkout
back to top

Shopping cart