Samsung 25R 18650 2500mAh 20A Battery


Below are the available bulk discount rates for each individual item when you purchase a certain amount

  • Buy 12 - 35 and pay only $3.00 each
  • Buy 36 - 99 and pay only $2.90 each
  • Buy 100 - 199 and pay only $2.80 each
  • Buy 200 or above and pay only $2.70 each
Case Quantity:
Current Stock:
68 Cases

The most commonly used 18650 sized cell on the market due to the low price and high production rate. The INR18650-25R offers mid ranged power of 2500mAh with a 20A continuous discharge current.

Samsung 25R Datasheet

Samsung 25R 18650 2500mAh Flat Top Rechargeable Battery

  • Brand: Samsung SDI
  • Model: INR18650-25R
  • Size: 18650
  • Positive: Flat
  • Type: Rechargeable Lithium Ion Battery
  • Protected: No
  • Nominal Voltage: 3.6V
  • Nominal Capacity: 2500mAh
  • Continuous Discharge Rate (CDR): 20A
  • Approximate Dimensions: 18mm x 65mm
  • Approximate Weight: 44g
  • Decal: Capacity Decal


Lithium-ion is one of the most successful and safe battery chemistries available. The lithium-ion system is safe provided that certain precautions are met.

Use caution when working with and using lithium ion batteries. Misusing or mishandling the battery may cause a fire or explosion which may result in personal injury and/or property damage. The user must possess an appropriate understanding of lithium ion batteries before use. The user must possess an understanding of the potential dangers of lithium ion batteries before use. Always charge in or on a fire retardant surface. Never leave batteries unattended while charging. Buyer is responsible for any damage or injury caused by misuse or mishandling lithium ion batteries and chargers. Buyer is responsible for determining if their device or charger is functioning properly before use. Charge only with a smart charger designed for this specific type of battery. No guarantee of compatibility or suitability with any device can be made. Specifications are provided above to match the appropriate cell to the desired application.

  • User must be familiar with handling lithium ion batteries before purchase.
  • Batteries may vent, become very hot, burn, or cause a fire if misused or mishandled.
  • Misuse of batteries can pose a serious risk of personal injury and/or property damage.
  • Do not store loose in pocket, bag, purse, etc. Cases are recommended for transport and storage.
  • Do not use in devices without proper protection circuitry.
  • Do not exceed manufacturer specifications. Do not exceed the continuous discharge rating.
  • Do not mix old and new, used and unused batteries.
  • Do not use force to install battery. Do not install backwards.
  • Do not short circuit. Keep away from metal (or conductive) objects to prevent short circuiting.
  • Do not use if insulator or wrap is damaged. Do not use if damaged in any way.
  • Do not overcharge or over-discharge.
  • Do not get the battery wet, or expose to high temperatures.
  • Do not solder. Spot weld only by qualified technician.
  • Do not throw in the trash. Do not incinerate. Use location specific disposal or recycling methods.
  • Usage of batteries is at your own risk.