US EU NO Tax 48V battery 48V 25AH Lithium Battery Pack 48V 25AH 2000W electric bicycle battery Built in 50A BMS+54.6V 5Acharger

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48v 30ah electric bike lithium ion battery pack

Battery Name
Li-ion Electric Bike Battery
13S 10P
Nominal voltage
Nominal capacity
Standard discharge current
30A (1C)
Max discharge current
100A (3.5C)
Standard charge current
Fast charge current
Over discharge cut off voltage/series
36.4V (2.8 ± 0.06V)
Over charge protection voltage/series
54.6V (4.2 ± 0.06V)
Discharge working temperature
Charge working temperature
Recommended storage temperature
23 ± 5°C
Net Weight
about 7Kg
Size about
300*170*90 mm

BMS Model
Lithium ion BMS System
Balance voltage for single cell
Balance current for single cell
Over charge detection voltage
4.25 ± 0.025V
Over charge release voltage
4.19 ± 0.025V
Over discharge detection voltage
2.8 ± 0.025V
Over discharge release voltage
3.0 ± 0.025V
Over current detection voltage
Current consumption
Over charge detection delay time
Over discharge detection delay time
Detection delay time
Release condition
Cut load
Protection circuitry(MOSFET)
Charger Model
Lithium ion
Smart mode
Maximum voltage
Output Capacity
3 A
110 or 220V
  • With BMS system , CC / CV Charger , SB50A Discharge Connector Plug

Shipping by use Fedex or UPS Express 12~20 days delivery
U.S. EU Free duty and tax (other countries, we use other transportation)

ShippingContact us for more details about packing, Australia , Russian , Ukraine delivery time 15~25 days

Q: What productions do you make ?

A: The main productus are LiFePO4 , 18650 battery pack, e-bike battery, polymer battery, or any customized battery projects.

Q: How about your company intelligence?

A: ISO9001 certification, China Hi-tech company, 10 million battery assurance, 8 patents, Almost all products are MSDS, FCC , UN38.3, IEC62133, CB,etc certificated.

Q: How about the quality guarantee period?

A: One year.


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.

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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!

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