Compatible: Freely Charging 1 or 2 Pcs Li-ion IMR INR ICR  18490 18500 18350 17670 Batteries.

Smart LED Display: The smart LED indicators show the charging progress: red for charging and green for fully charged.

(Note: The Indicator light turns into green once the battery voltage reaches 4.1V-4.2V.)

Multiple Protection: The lithium battery charger uses the MCU control technology, providing the constant current and constant voltage safety model.

Safety-Enhanced MCU: This EBL 839 Lithium Battery Charger is equipped with a microcontroller that safeguards against over-heating, over-current, short-circuits, and detects faulty batteries.

Portable and Versatile: With a compact design and USB input, the Li-ion battery charger can be charged using adapters, car chargers, or power banks, ensuring convenience and versatility.