# Rechargeable Lithium-ion 18650 Battery Samsung INR18650-25R 3.7V 2500mAh

**URL:** https://aio.lv/en/product--samsung-ak18650250025r--4589127
**Data updated:** 2026-01-12 19:30 (EET)
**Category:** Batteries
**Manufacturer:** Samsung
**Manufacturer code:** AK18650.2500/25R
**EAN:** 3100000517304
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Samsung INR18650-25R is a rechargeable 18650-format lithium‑ion cell with a nominal voltage of 3.7 V and a capacity of 2500 mAh. Intended for use in high‑drain devices, battery packs, flashlights and DIY electronics. Provides reliable energy storage for portable devices, enables multiple charge cycles and straightforward integration into battery holders and packs.

## Long description

Samsung INR18650-25R is a rechargeable lithium-ion 18650 cell with a nominal voltage of 3.7 V and rated capacity of 2500 mAh. Designed for high-drain applications, this Samsung 18650 battery delivers stable power output and is compatible with standard 18650 holders and battery pack assemblies. The cell conforms to common industry dimensions and can be used individually or assembled into multi-cell configurations for portable electronics, flashlights, power tools, and DIY projects.
Advantages
The Samsung INR18650-25R offers a balance of energy density and discharge capability, providing reliable run time in high-drain devices while maintaining moderate capacity. As a rechargeable lithium-ion cell, it supports multiple charge/discharge cycles and straightforward integration into battery holders and packs. The cell’s standardized 18650 format simplifies replacement and upgrades in compatible devices.
Suitable for
 High-drain flashlights and tactical lights
 Portable power banks and battery packs (when assembled appropriately)
 DIY electronics and maker projects requiring 3.7 V cells
 RC devices and power tools that accept 18650 cells
 Battery holders and multi-cell assemblies for custom applications
Key specifications
 Brand: Samsung
 Model / MPN: AK18650.2500/25R (INR18650-25R)
 Format: 18650 (cylindrical)
 Chemistry: Lithium‑ion (INR)
 Nominal voltage: 3.7 V
 Capacity: 2500 mAh
 EAN: 3100000517304
How to use
Use the Samsung INR18650-25R in devices designed for 18650 lithium‑ion cells. Observe correct polarity when inserting the cell into battery holders or packs. Charge the cell with a compatible lithium‑ion charger that monitors voltage and current and follows manufacturer-recommended charge protocols. For multi-cell assemblies, use proper battery management (BMS) or balancing circuits to ensure safe operation. Avoid exposure to excessive heat, direct flame, or prolonged short-circuit conditions.
Usage recommendations
Store cells at moderate state of charge (around 30–50%) for long-term storage and keep them in a cool, dry place. Use chargers that provide proper cut-off at the recommended charge voltage and avoid deep discharges below the recommended cut-off voltage for the device to prolong cycle life.

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### What is the warranty period?

All Samsung products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Samsung service centers and through AiO.lv

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