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  • Samsung 40T India Samsung 40T India

Samsung 40T 21700 4000mah 30A discharge

Quick Overview

Original Samsung 40T 4000mah Battery


Availability: In stock


Samsung 40T 4000mah 30A discharge Li ion Battery.

This 21700 from Samsung one of the top rated performer battery. Packed with high discharge and high storeage. Best use for large to small applcation.

We get these batteries from reputed vendors after testing there performace. We guarantee top performance from this battery. Can be used for Agruculture, suvellience and Ebike use and many more application.



1. Voltage is 3.7V

2. Make: Samsung

3. Model: 40T

4. Country of Make: Korea

5. Amps: 4000mAh

6. Size: Diameter is 21mm and length is 70mm

7. Weight is 68 grams

8. Discharge end voltage is 2.5V

9. Continious discharge rate is 30A

10. Max peak voltage 4.2Volts

We also make a battery pack for your various applications like e-bike, scooter, drone, quadcopter, RC boat, RC cars agriculture drones. This pack will have both balance and discharge cables.

Tips for good battery life

Never discharge a lithium Ion battery completely as it may damage battery permanently. This case applies to any battery.

Before first you please charge Samsung 21700 30A battery fully. That is 4.2Volts. Only then use it.

Do not mix less charge batteries with fully charge batteries.

Do not charge or discharge unattended.

We recommend you to use high quality chargers for your 21700 or 18650 batteries

Do not keep the batteries in Sun

Do not try to charge battery directly with 220Volts

If making a battery pack do this who has expertise in doing so. Use good quality nickly strip and spot welding.

Always store batteries in a safe case. Do not drop battery



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