18650 Rechargeable Battery 3.6V 2500mAh Ternary Li-ion Cell

Looking for a dependable rechargeable 18650 lithium-ion battery for your DIY packs, flashlights, or power-tool conversions? This 3.6V / 2500mAh ternary (NMC) cell balances solid capacity with stable output for everyday builds.

Core Specs

• Model: LR1865LD
• Nominal Voltage: 3.6V
• Nominal Capacity: 2500mAh
• Chemistry: Nickel-Cobalt-Manganese (NMC / ternary) lithium-ion
• Format: Standard 18650 (18mm x 65mm)

Why It Works For Your Build

• Steady, usable capacity — 2500mAh gives a comfortable runtime for flashlights, headlamps, and tool battery rebuilds.
• Tried-and-true NMC chemistry — a balanced blend for both energy density and cycle life in daily-use devices.
• Bare, solder-ready cell — easy to spot-weld into DIY packs or swap into compatible devices.
• Consistent batch quality — each cell is tested before shipping.

Applications

Great for multi-cell battery packs, LED flashlights, headlamps, portable fans, multimeters, and other 18650-powered projects.

Important Safety Notes

18650 cells are bare cells without built-in protection circuits. Always use a proper battery management system (BMS) or protected holder, and charge with a dedicated Li-ion charger. Do not over-discharge, short-circuit, pierce, or expose to water or fire. Keep away from children.

Note: This is a replacement / DIY cell, not an original part.