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.
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.
