This compact lithium battery charger supports both 18650 and 21700 rechargeable lithium batteries. It features smart charging technology that automatically detects battery status and adjusts current for safe, efficient charging. The built-in turning light provides visual feedback during charging cycles, indicating charge progress and completion.
Key Features:
- Compatible with standard 18650 and 21700 lithium batteries
- Smart charging circuitry for automatic voltage and current adjustment
- Multi-slot design allows simultaneous charging of multiple batteries
- LED turning light indicates charging status and completion
- Compact, portable design suitable for home or travel use
Ideal For:
- Recharging spare 18650 or 21700 batteries for flashlights, vapes, or DIY projects
- Users needing reliable, consistent charging without manual monitoring
- Hobbyists and technicians working with common lithium cylindrical cells
Specifications:
- Input: 5V DC via micro-USB (cable not included)
- Supported battery types: 18650 and 21700 lithium-ion/lithium-polymer
- Charging method: Constant current/constant voltage (CC/CV)
- Package dimensions: 11.0 x 7.0 x 3.5 cm
- Package weight: 120 g

What's in the box
1 x 18650/21700 Lithium Battery Charger