The LiitoKala Lii-M4S Smart Battery Charger and Capacity Tester is an advanced, multi-functional intelligent charger designed for accurate charging, discharging, testing, and storage of rechargeable batteries. This professional-grade charger supports a wide range of battery types including Li-ion, LiPo, Ni-MH, and NiCd, making it ideal for electronics hobbyists, technicians, flashlight users, vapers, DIY battery pack builders, and repair professionals in Bangladesh.

Equipped with a modern touch control interface and a large LCD display, the Lii-M4S allows real-time monitoring of voltage, current, charging time, and capacity (mAh) for each individual channel. The charger features four independent slots, enabling simultaneous charging or testing of different battery sizes and chemistries such as 18650, 26650, 14500, AA, and AAA. With Type-C 5V input and intelligent protection systems, this charger delivers safe, efficient, and precise battery management.

Features:

• Advanced smart charger with charging, discharging, testing, and storage modes

• Supports Li-ion, LiPo, Ni-MH, and NiCd rechargeable batteries

• Four fully independent charging channels

• Touch control operation for easy and intuitive use

• Type-C DC 5V input for modern power compatibility

• Adjustable charging currents: 300mA, 500mA, 700mA, 1000mA

• Adjustable discharge currents: 250mA, 500mA

• Large LCD screen displaying mode, voltage, current, time, and capacity

• Simultaneous charging of different battery sizes and chemistries

• Intelligent battery identification and fault detection

• 0V battery activation and reverse polarity protection

• Overcharge, over-discharge, and short-circuit protection

• STORAGE mode for safe long-term lithium battery storage at 3.7V

• Built-in USB 5V 1A output function (channel 4)

• Ideal for capacity testing and battery health analysis

Specifications:

• Model: LiitoKala Lii-M4S

• Input Power: DC 5V / 2A (Type-C)

• Supported Battery Types: Li-ion, LiPo, Ni-MH, NiCd

• Supported Battery Sizes: 26650, 18650, 14500, AA, AAA and more

• Charging Voltage (Li-ion): 4.20V

• Charging Voltage (Ni-MH): 1.48V

• Charging Current Options:

  • 300mA x 4

  • 500mA x 4

  • 700mA x 2

  • 1000mA x 2

• Discharge Current Options:

  • 250mA x 4

  • 500mA x 4

• Display: LCD screen with backlight

• USB Output: 5V / 1000mA (channel 4 only)

• Operation Modes: CHARGE, DISCHARGE, TEST, STORAGE

Touch Control Description:

• MODE: Select operating mode (CHARGE, DISCHARGE, TEST, STORAGE)

• 1–2: View and select data for channel 1 and 2

• 3–4: View and select data for channel 3 and 4

• CURRENT: Select charging or discharging current level

• Touch points also activate the LCD backlight for visibility

Working Modes Explanation:

• CHARGE: Charges batteries while displaying charging capacity, voltage, time, and current

• DISCHARGE: Measures discharge capacity to evaluate battery performance

• TEST: Full capacity test cycle including charge, discharge, and recharge

• STORAGE: Automatically charges or discharges lithium batteries to 3.7V for safe storage

How to Use:

• Connect the charger to a 5V Type-C power source

• Insert compatible rechargeable batteries into the slots

• Select the desired channel using touch controls

• Choose operating mode and current within 8 seconds

• Monitor real-time battery data on the LCD screen

• Charger automatically stops and displays END when complete

Applications:

• Battery capacity testing and health monitoring

• Flashlight and electronics battery charging

• DIY battery pack maintenance

• Power tool and device battery testing

• Rechargeable battery storage preparation

• Electronics repair and hobby projects

Package Includes:

• 1 × LiitoKala Lii-M4S Smart Battery Charger

• 1 × USB Type-C Cable

• 1 × User Manual (English & Chinese)

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