21700 Lithium Battery

Compact lithium battery in the 21700 cylindrical format (21 × 70 mm), intended for use in devices that accept 21700 cells.

• Form factor: 21700 (21 mm diameter × 70 mm length)
• Chemistry: lithium
• Compatible with devices and holders specified for 21700 cells

Usage and safety

• Confirm device compatibility and correct polarity before installation.
• Follow the device and battery manufacturer’s instructions for charging, storage, and disposal.
• Do not expose to fire, excessive heat, water, or mechanical damage; avoid short circuits.