21700 Button Top Protected Batteries

21700 button top protected batteries are lithium-ion rechargeable cells featuring a raised positive terminal and an integrated protection circuit. These batteries are designed for use in compatible devices that require button top contact and benefit from built-in protection features.

While most 21700 batteries are flat top, button top protected versions are used in specific devices that require a protruding terminal and additional battery management.

Key Features

✔ Button Top Design – Raised positive terminal for reliable contact
✔ Built-In Protection Circuit – Integrated circuitry to help manage battery operation
✔ Lithium-Ion Chemistry – Rechargeable cells with consistent voltage output
✔ 21700 Format – Larger capacity compared to smaller battery sizes

Common Applications

✔ Flashlights & Portable Devices – Used in compatible devices requiring button top batteries
✔ Consumer Electronics – Suitable for devices designed for protected cells
✔ Replacement Batteries – Used in compatible battery-powered systems
✔ General Use – Ideal for applications where built-in protection is preferred

Compatibility

Button top protected 21700 batteries are often longer than standard flat top cells due to the added protection circuit. Always verify compatibility with your device, including size and terminal requirements.

Important Note

Use only with compatible devices and chargers designed for lithium-ion batteries. Ensure your device supports button top protected cells before use.

Browse our selection of 21700 button top protected batteries to find lithium-ion cells suited for your application.