Overview
The LiitoKala Lii-M4S is an upgraded 4-slot smart charger designed for Li-ion and NiMH/NiCd rechargeable batteries. It offers multiple selectable current modes, USB power output, and a built-in battery test function, all managed by an intelligent microprocessor that ensures stable and accurate charging.
Main Features
- Supports Li-ion (4.2V) and NiMH/NiCd (1.48V) batteries
- Selectable charging current modes:
- 300mA ×4 / 500mA ×4 / 700mA ×2 / 1000mA ×2
- Intelligent voltage monitoring with automatic cutoff at full charge
- USB output (5V/1A) for powering external devices via channel 4
- Battery test/discharge mode (500mA) for capacity verification
- Independent charging channels with LED display indicators
- Comprehensive protection against reverse polarity, overcharge, and short circuit
- Microprocessor-controlled system for precise current and voltage management
- Compact, durable design for home, lab, or field use
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | Lii-M4S |
| Type | 4-Slot Smart Battery Charger |
| Input Voltage | DC 5V / 2A |
| Output Voltage | 4.20V (Li-ion); 1.48V (NiMH/NiCd) |
| Charging Current | 300mA ×4 / 500mA ×4 / 700mA ×2 / 1000mA ×2 |
| Discharge Current | 500mA (test mode) |
| USB Output | 5V / 1000mA (activated via Slot 4) |
| Supported Battery Types | Li-ion, NiMH, NiCd |
| Compatible Sizes | 26650, 18650, 14500, 10440, AA, AAA, etc. |
| Termination Mode | Intelligent voltage monitoring |
| Protection | Reverse polarity, short circuit, overcharge |
| Dimensions | 146 × 100 × 33 mm |
| Weight | 280 ±1 g |
| Carton Quantity | 48 pcs |
| Carton Size | 52.5 × 32 × 32.5 cm |
Applications
Primary Uses
Ideal for charging Li-ion and NiMH/NiCd batteries used in flashlights, cameras, vape devices, and everyday electronics.
Extended Benefits
Can serve as a USB power bank when a higher-voltage Li-ion battery is inserted into slot 4. Features a discharge test to check cell capacity and performance.
Compatibility / Upgrade
Fully compatible with all LiitoKala rechargeable battery models, including 18650, 26650, and 14500. An excellent upgrade for users seeking a versatile, high-precision multi-function charger.
Product FAQ
What battery types can the Lii-M4S charge?
It supports Li-ion (4.2V) and NiMH/NiCd (1.48V) rechargeable batteries of various sizes.
How does the USB output function work?
The 5V/1A USB output is activated when a higher-voltage Li-ion battery is inserted into slot 4, allowing it to power USB devices.
Can I adjust the charging current?
Yes, you can select between 300mA, 500mA, 700mA, or 1000mA depending on the number and type of batteries.
What is the discharge test mode?
It provides a 500mA discharge current for testing battery capacity and performance.
What safety protections are included?
The Lii-M4S includes reverse polarity, overcharge, short circuit, and intelligent temperature control for safe operation.
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