Rechargeable Li‑Ion 18650 Battery Samsung INR18650-25R 2500 mAh High Current Flat Top

Samsung INR18650-25R is a rechargeable 18650 Li‑Ion cell with a flat top and a nominal capacity of 2500 mAh. Built for high-current discharge, this battery is intended for devices and battery packs that require sustained power delivery and consistent performance. The cell must be used with compatible chargers and, where applicable, protection circuits to ensure safe operation.

Advantages

The flat top construction allows flexible mechanical integration and stacking in packs. With a 2500 mAh nominal capacity and chemistry optimised for high discharge rates, the INR18650-25R provides reliable current delivery for demanding loads. Manufactured by Samsung, the cell meets common quality and performance expectations for cylindrical Li‑Ion 18650 cells.

Suitable for

• High‑current flashlights and portable lighting
• Power tools and cordless equipment
• Vape devices and personal electronics requiring 18650 cells
• Battery packs and DIY battery assemblies with appropriate protection

Key specifications

• Cell type: Li‑Ion 18650 (cylindrical)
• Model/MPN: INR18650‑25R
• Nominal capacity: 2500 mAh
• Top type: flat top
• Brand: Samsung

How to use

Install the cell according to the device manufacturer’s polarity markings. Charge only with a charger compatible with 18650 Li‑Ion cells and follow recommended charging currents. When assembling battery packs, include proper battery management or protection circuits. Do not solder directly to the cell unless using suitable tabs and professional soldering methods; flat top cells without welded tabs should be handled with care.

Recommendations

Store and operate the battery within manufacturer temperature ranges, avoid short circuits, and replace cells showing physical damage, swelling, or abnormal behavior. Follow local regulations for transport and disposal of lithium‑ion batteries.