Metama Lii-L2 Charger

The Metama Lii-L2 (manufactured in collaboration with or licensed by LiitoKala) is a compact, smart 2-slot battery charger specifically designed for 3.7V Li-ion (Lithium-ion) rechargeable batteries. Here is a clear and concise technical overview of its features: ⚙️ Technical Specifications Power Input: Standard Micro-USB port (DC 5V / 1A minimum). It can be powered using a smartphone charger, a PC USB port, or a power bank. Charging Current (Output): 500 mA per slot when two batteries are charging simultaneously. 1000 mA if only one slot is being used (depending on your USB power adapter). Cut-off Voltage: 4.20V (automatically stops charging when the battery is completely full). Independent Slots: The 2 channels operate completely independently, allowing you to charge a single battery or two different sizes at the same time. ???? Battery Compatibility Thanks to its spring-loaded sliding negative contacts, it accommodates most cylindrical Li-ion (3.6V / 3.7V) formats: 18650 (the most common size) 21700 / 20700 (unprotected models only, due to physical length limits) 26650 / 22650 14500 / 16340 (RCR123A) / 18350 / 18490 ⚠️ Important Warning: The Lii-L2 is designed exclusively for Li-ion batteries. It does not support Ni-MH / Ni-Cd batteries (such as standard 1.2V AA or AAA rechargeable household batteries) or LiFePO4 batteries (3.2V). ????️ Protections and Display Simple LED Indicators: Each slot features a dual-color LED: ???? Red: Currently charging. ???? Green: Charging complete or slot is empty. Built-in Safety Features: Reverse polarity protection (safeguards the device if a battery is inserted backward). Short-circuit and overcurrent protection. Fire-retardant ABS plastic housing.