Samsung 40T 4000mAh 21700 Battery

Samsung 40t - 4000mah 21700 Battery

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The Samsung 40T is an exceptional Li-Ion cell known for its remarkable combination of high capacity and ultra-high discharging capabilities, defying the conventional trade-off between these two aspects in battery design. Samsung has showcased its prowess in research and development with this product. It boasts a genuine 4,000 mAh capacity and a 35 Amp True Constant Discharge Rating, all without imposing a temperature limit cutoff, ensuring reliable performance. This 21700-sized cell is considered one of the most powerful initial-hitting batteries available, making it perfect for demanding applications while providing peace of mind.

Features and Specifications
  • Manufacturer: Samsung SDI
  • Model: INR21700-40T
  • Nominal Voltage: 3.6V
  • Nominal Capacity: 4000mAh
  • Max Continuous Discharge: 30A
  • Style: Flat Top
  • Protected: No, Unprotected
  • Weight: 66.8g max
  • Cell Dimensions: 21.1mm x 70.4mm
  • Do not over-discharge/overcharge
  • Recharge drained batteries ASAP
  • Do not short circuit
  • Do not dispose of in fire
  • Do not expose to extreme heat or water
  • Please be familiar with handling lithium-ion batteries before purchase
  • Check Data Specification Sheet for more information
Safety Information
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 in or on a fire-proof surface. Never leave batteries charging unattended. This battery is sold for the use of system integrations with proper protection circuitry or battery packs with a battery management system or PCB (circuit board/module). Buyer is responsible for any damage or injury caused by misuse or mishandling lithium ion batteries and chargers. Charge only with a smart charger designed for this specific type of lithium ion battery.