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Samsung 25R 18650 2500mAh 20A Battery High Drain

(13 customer reviews)

$4.95 $3.49

SKU: 10020 Category:

Out of stock

Samsung 25R 18650 2500mAh 20A Battery – INR18650-25R

Buy 4 Batteries Minimum

The Samsung 25R 18650 Battery is one of the most popular lithium ion batteries on the market. The 25R offers a great balance of 2500mAh capacity with a 20A continuous discharge rating with a pulse discharge rating of 35A. An all around great battery for many applications.

Samsung 25R Specs

  • Model: Samsung 25R / INR18650-25R
  • Size: 18650
  • Style: Flat Top
  • Protected: No
  • Rechargeable: Yes
  • Nominal Capacity: 2500mAh (0.2C discharge)
  • Min Capacity: 2450mAh
  • Continuous Discharge Rating: 20A
  • Nominal Voltage: 3.6V
  • Maximum Voltage: 4.20V
  • End of Charge Voltage: 4.20V
  • End of Discharge Voltage: 2.50V
  • Internal resistance: Max 18mΩ (AC 1kHz) | Typical 13.20mΩ ±2 (AC 1kHz)
  • Standard Charge: 1.25A
  • Standard Charge Time: 3 hours
  • Quick Charge Current: 4A
  • Quick Charge Time: 1 hour
  • Approximate Dimensions: 18.33mm x 64.85mm
  • Approximate Weight: 43.8g
All batteries contain a label decal stating the approximate voltage and capacity. This label is easily removed to reveal the manufacturer print. The label decal is a requirement by the U.S. Government (IATA) which regulates the shipping of lithium ion batteries.


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.
  • 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 within manufacturer specification
  • DO NOT store loose 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 overcharge 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

13 reviews for Samsung 25R 18650 2500mAh 20A Battery High Drain

  1. allison

    Great batteries works perfectly on my mod and it arrived in 2 days.

  2. Eric (verified owner)

    Just what I needed, and theyarrived quickly. Thank You!

  3. Lance (verified owner)

    I messed up my order and they went above and beyond to fix it for me. I would definitely order from them again.

  4. Anonymous (verified owner)

    Received very quickly. Thanks

  5. Ashleigh S. (verified owner)

    Works super good! It was also on time and fast delivery! Definitely recommend

  6. Teresa (verified owner)

    great batteries . and they aren’t rewraps

  7. Kasey (verified owner)

    Delivery was on time and product works great definitely will order from this site again

  8. Kevin Dalton (verified owner)

    Excellent value, fast service, zero hassle. Very impressed

  9. David (verified owner)

    The samsung 25R’s are authentic and work great, the shipping took a little longer than i like but i finally did get them.

  10. Daniel (verified owner)

    Fast shipping and reasonable prices. Loved it

  11. Shaunã Hillier (verified owner)

  12. Anonymous (verified owner)

  13. Daniel A. (verified owner)

    everything was great as usual

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