Smart 4-Channel Battery Charger with LCD & USB Power Bank for Li-ion Batteries

LiitoKala Lii-M4S Advanced 4-Channel Smart Battery Charger with LCD & USB Power Bank

Model: LiitoKala Lii-M4S
Brand: LiitoKala
Compatibility: Cylindrical Li-ion (10440, 14500, 14650, 16340, 17335, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26650) & Ni-MH (AA, AAA, AAAA, C) rechargeable batteries.
⚠️ Important: NOT compatible with LiFePO4 (Lithium Iron Phosphate) batteries.

Professional Features for Demanding Users:

• 4 Independent Channels: Charge, discharge, or test up to 4 batteries simultaneously with individual control.

• Intuitive Touch Control: Easily navigate functions with responsive touch points (no fiddly buttons!).

• Versatile Charging Modes:

  • CHARGE: Standard charging (Default 500mA, adjustable).

  • DISCHARGE: Safely discharge batteries (250mA or 500mA).

  • TEST (Refresh & Analyze): Measures actual battery capacity (Charge > Discharge > Recharge cycle).

  • STORAGE: Prepares Li-ion batteries for long-term storage at optimal voltage (~3.7V).

• Large LCD Display: Real-time monitoring per channel shows Voltage (V), Current (mA), Capacity (mAh), and Time (H:M) for full control and diagnostics.

• Adjustable Charging Current: Select the optimal rate per battery: 300mA / 500mA / 700mA / 1000mA.

• Integrated USB Power Bank (Channel 4): Output 5V/1A (1000mA) to charge phones, tablets, or other USB devices using the battery in slot 4.

• Comprehensive Safety Protections: Built-in safeguards against overcharging, short-circuit, and reverse polarity for worry-free operation.

• Battery Capacity Detection: Accurately reads and displays battery capacity during operations.

• Convenient Screen Hold: Long-press CURRENT touch point to keep the LCD screen constantly on.

Perfect For:

• Vaping Enthusiasts: Safely charge & analyze 18650, 21700, and other popular vape batteries.

• Flashlight Experts: Maintain and test high-performance batteries for torches.

• RC Hobbyists: Manage packs of cylindrical cells for various applications.

• Tech Savvy Users: Extend the life of Ni-MH AA/AAA batteries and utilize the USB power bank function.

• Anyone Needing Reliable Power: Charge multiple batteries efficiently while powering a USB device.

Key Specifications:

• Input: DC 5V/2A (Requires compatible 5V/2A USB power adapter - not included).

• Li-ion Charge Voltage: 4.20V ±1%

• Ni-MH Charge Voltage: 1.48V ±1%

• Discharge Current: 250mA / 500mA (DISCHARGE & TEST modes).

• USB Output (CH4): 5V, 1000mA (Max).

Safety & Usage Notes:

• Indoor Use Only: Designed for indoor environments.

• Use Correct Adapter: Requires a stable 5V/2A USB power source to prevent overheating.

• Unplug After Use: Always disconnect the charger from power and remove batteries when finished.

• Observe Charging Current: Select an appropriate current based on battery specifications to maximize lifespan.

• Battery Type Restriction:Do NOT attempt to charge LiFePO4 or any non-cylindrical Li-ion/Ni-MH batteries.

Package Includes:

• 1x LiitoKala Lii-M4S Smart Charger

• Instruction Manual

Upgrade Your Charging Experience! The LiitoKala Lii-M4S combines professional features, intuitive touch controls, and robust safety in one sleek charger. Ideal for power users who demand precision and versatility for their rechargeable batteries.