Samsung 40T 21700 Battery 4000mAh

Article number: 14713
Availability: In stock (52)


As one of the top-performing 21700 batteries from Samsung, the 40T (INR21700-40T) offers 4000mAh in capacity with a 35A maximum continuous discharge.

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Main Features:

  • Model: INR21700-40T
  • Size: 21700
  • Style: Flat Top
  • Nominal Capacity: 4000mAh
  • Continuous Discharge Rating: 35A w/o temperature cut / 45A with 80°C temperature cut
  • Nominal Voltage: 3.6v
  • Protected: No
  • Rechargeable: Yes
  • Approximate Dimensions: 21.1mm x 70.4mm
  • Approximate Weight: 66.8g


The user must have appropriate understanding of lithium ion batteries before purchase. Use caution when working with and using lithium ion batteries as they are very sensitive to charging characteristics and may explode, burn or cause a fire if misused or mishandled. Always charge on for in a fire-proof surface. Never leave charging batteries unattended. Buyer is responsible for any injury or damage caused by misuse or mishandling of lithium ion batteries and chargers. No express or implied guarantee of compatibility with any device can be made. Charge only with a smart charger designed for this specific type of lithium ion battery. Do not mix and match old and new, used and unused batteries


Misusing or mishandling lithium ion batteries can pose a SERIOUS RISK of personal injury, property damage, or death.

ONLY use with proper protection circuitry
ONLY use with manufacturer specifications
DO NOT store in pocket, purse, etc - always use a protective case
KEEP AWAY from metal objects to prevent short circuiting
DO NOT short circuit
DO NOT use if wrapper or insulator is damaged or torn
DO NOT use if damaged in any way
DO NOT over-charge or over-discharge
DO NOT modify, disassemble, puncture, cut, crush or incinerate
DO NOT expose to liquids or high temperatures
DO NOT solder
User must be familiar with handling lithium ion batteries before purchase
Usage of batteries is at YOUR OWN RISK

Local regulations and laws pertaining to the recycling and disposal of lithium ion batteries vary, so please consult your local jurisdiction regarding appropriate disposal.

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