Safety Timer Safeguard - An 8-hour timer halts battery charging to avoid overcharge.
Reverse-polarity Protection - Inserting your battery in the wrong direction will not damage this charger nor the batteries. Short-circuit protection - When short-circuiting is detected, TN294 will stop its operation at once to prevent damage to the charger and the batteries. Charger includes a 12-month warranty.
Save Money and the Environment Tenergy 9V Li-ion rechargeable battery can be charged and discharged for hundreds of cycles, reducing the number of disposed batteries
Intelligent Control Built-in Microprocessor Control Unit (MCU) accurately and continuously monitors charging status, and provides the most efficient way to charge your batteries
Four Battery Slots TN294 allows you to charge up to four 9V Li-ion batteries at the same time