Battery 18650

An 18650 cell is a rechargeable lithium-ion cylinder used to power high-drain devices. Its flat top and 18 mm × 65 mm size fit many flashlights, vapes, and portable electronics. Always match amperage ratings to your device to avoid overheating or capacity loss.

• Verify mAh capacity meets runtime needs without exceeding device limits.
• Choose protected cells with built-in PCB circuitry for added safety during charging.
• Store spares in a cool, dry case to prevent accidental short circuits.

Find 18650 batteries suited to your electronics.