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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: KeepPower
  • Model Number: UH2642
  • Type: Li-Ion
  • Nominal Voltage: 3.7V
  • Size: 26650
  • Nominal Capacity: 4200mah
  • Minimum Capacity: 4200mAh
  • Standard Charge Voltage: 4.20V
  • Standard Charge Current: 1500mA
  • Standard Charge Time: 210 mins
  • Discharge Cut-off Voltage: 2.50V
  • Max. Pulse Dischrage Current: 50A
  • Max. Constant Discharge Current: 30A
  • Cycle Life: Over 2000 cycles
  • MOQ: 70pcs
  • Carriers: UPS/Fedex/TNT/DHL

Packaging & Delivery

Packaging Details Carton
Delivery Time 7 workdays after payment confirmed

IMR26650 4200mAh KeepPower 3.7V 50A high discharge imr 26650 battery UH2642

Product Description

1.   High Discharge IMR 26650 Li-ion Rechargeable Battery UH2642
2.   Typical Capacity: 4200mAh
3.   Normal Voltage: 3.7V
4.   Charge Method: constant voltage with limited current
5.   Standard Charge Voltage: 4.20v
6.   Standard Charge Current: 1500mA
7.   Standard Charge Time: 210 mins
8.   Fast Charge Current: 4000mA
9.   Max. Plus Discharge Current: 50.0A
10. Max. Constant Discharge Current: 30.0A
11. 4.2 volts full charged voltage and 2.5 volts discharge cut off voltage
12. High charge and discharge currents reduce cycle life.




1.   High charge and discharge currents reduce cycle life;
2.   Please charge this battery with a quality li-ion battery charger before first use;
3.   Do not keep or use this battery in high temperature or humid environment;
     Operating Temperature: Charge 0℃~45℃, Discharge -10℃~60℃
     Storage Temperature: -20℃~60℃

4.   Do not use this battery if there is weeping, bulging or any other problem;
5.   Do not throw this battery into fire or water, or it may fire or explode;
6.   Do not crush, hit or impact this battery;
7.   Do not disassemble this battery;
8.   Keep out of reach of children;
9.   Battery will be hot when it works, please take it carefully after use;
10.  If this battery has not been used for a long time(>3months), please charge it 
      before using it again;
11.  If the electrolyte goes into eyes, please wash eyes immediately and go for a
      medical treatment.

Product Photos


Packaging & Shipping

1. Packing: 70 pieces per carton, every 2 batteries packed in a customized plastic box designed by KeepPower.

2. Shipping: TNT / Fedex / UPS / DHL from door to door.

Order Guidance

We take great pride in our work and in the wide variety of products that we offer.

We are experienced in servicing the North American market, European market and Oceanian market.

Please be aware that our production lead times depend on specific items and item quantities.

Our success has been based on our understanding of the market and marketing demands.

That's why we always ensure that every order is delivered on time.

Check below for more information on placing an order:

1.   Inquiry - Professional quotation.

2.   Confirm the price, lead time, payment term etc.

3.   Keeppower sales send the Proforma Invoice with Keeppower seal.

4.   Customer make the payment for deposit and send us Bank receipt.

5.   Initial Production Stage Inform the clients that we have got the payment, and will make the samples according to your request, 

 send you photos of samples to get your approval. After approval, we inform that we will arrange the production & inform the estimated time.

6.   Middle Production - send photos to show the production line which you can see your products in . 

      Confirm the estimated delivery time again.

7.   End Production - Mass production, you can also arrange the third party Inspection .

8.   Keeppower ship the batteries and send you express track number.

9.   Order can be say “finish” when you receive the goods and satisfy with them .

10. Feedback to Keeppower about Quality , Service, Market Feedback & Suggestion. And we can do better .

Online Contact

  IMR26650 4200mAh KeepPower 3.7V 50A high discharge imr 26650 battery UH2642

Company Information
Keeppower is a leading developer and manufacturer of innovative power solutions.The company has access to a comprehensive range of batteries, including the latest lithium battery technology. 
Keeppower prides itself on using only the highest quality cells to make lithium battery packs.The company have established strategic relationship with many famous international lithium battery suppliers.
Keeppower strives to provide a quality oriented, technically innovative and responsive service for our customers. All packs are PRC manufactured within a quality standards framework, which make Keeppower products highly appraised by customers all over the world.
Today, millions of Keeppower products have been deployed in various customer applications and devices. More and more customers benefit from Keeppower's technical capabilities in Li-ion, Li-Polymer, LiFepo4 and other power technologies.
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Supplier's Trade Assurance Limit: US $35,000
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