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  • Samsung 25R 18650 2500mAh 20A Flat Top Battery
  • Samsung 25R 18650 2500mAh 20A Flat Top Battery

Samsung 25R 18650 2500mAh 20A Flat Top Battery


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This item qualifies for bulk pricing:

  • Buy 50 - 99 and get 5% off
  • Buy 100 - 199 and get 8% off
  • Buy 200 - 399 and get 10% off
  • Buy 400 - 599 and get 12% off
  • Buy 600 - 999 and get 15% off
  • Buy 1000 - 100000 and get 17% off

Product Description

Please note Samasung SDI has moved production to Malaysia. Our stock is comingled and you may receive a cell made in South Korea or Malaysia. The cells perform to the same specification, the only difference is the country of origin. Malaysian cells are marked SDIEM (Samsung SDI Energy Malaysia).

Receive a FREE battery case with your purchase of batteries! Click for details.

Samsung has slightly redesigned the chemistry for the 25R to increase its overall life cycle. The change in the color of the wrapper from blue to green denotes the change in chemistry. The model number has also changed from 25R2 to 25R5.

Click here for official documentation regarding the wrap color change of the cell

Samsung 25R Datasheet

  • Brand: Samsung SDI
  • Model: 25R
  • Size: 18650
  • Chemistry: INR
  • Nominal Capacity: 2500mAh
  • Nominal Voltage: 3.6V
  • Discharge: 20A Max Continuous
  • Positive: Flat
  • Protected: NO
  • Rechargeable: Yes
  • Dimensions: 18.22mm x 64.80mm
  • Weight: 43.71g


    The use of lithium ion rechargeable batteries with e-cigarettes, vaporizers, or other similar products, constitutes a DANGEROUS misuse of the battery cell that poses a SERIOUS RISK of personal injury, property damage, or death. These cells are only for use with proper protection circuitry within system integrations or battery packs with a BMS (battery management system) or PCB (circuit board/module) and are not intended by the manufacturer for use with such products. BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE if used with e-cigarettes, vaporizers, or similar products.

    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. We are not responsible for any damage or injury caused by misuse or mishandling 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. Local regulations and laws pertaining to the recycling and disposal of lithium ion batteries vary so please consult your local jurisdiction regarding appropriate disposal. Many retail stores offer free recycling of rechargeable 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 within manufacturer specification

    - DO NOT use with e-cigarette, vaporizer, or similar device

    - DO NOT store loose in pocket, purse, etc. – always use a protective case for storage and transport

    - 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

Please note: Due to the consumable nature of this item, ALL SALES ARE FINAL.

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