Overview
The LiitoKala Lii-M4 is a high-efficiency 4-slot intelligent charger designed for Li-ion and NiMH/NiCd rechargeable batteries. With DC 5V/2A input, independent charging slots, and USB output, it delivers safe, controlled, and multi-functional performance, including charge, discharge, and power bank capabilities.
Main Features
- 4 independent charging slots for simultaneous charging of multiple batteries
- Supports Li-ion (4.2V) and NiMH/NiCd (1.48V) chemistries
- Selectable current modes: 500mA ×4 or 1000mA ×2 for Li-ion cells
- Integrated USB output (5V/1A) for powering mobile devices
- Battery testing mode with 500mA discharge current for capacity verification
- Automatic battery detection and real-time voltage display
- Multiple safety protections: reverse polarity, short circuit, and overcharge
- Compact and reliable design with efficient heat management
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | Lii-M4 |
| Type | 4-Slot Smart Battery Charger |
| Input Voltage | DC 5V / 2A |
| Output Voltage | 4.20V (Li-ion); 1.48V (NiMH/NiCd) |
| Charging Current | Li-ion: 500mA ×4 / 1000mA ×2; NiMH: 500mA ×4 |
| Discharge Current | 500mA (test mode) |
| USB Output | 5V / 1000mA |
| Supported Battery Types | Li-ion, NiMH, NiCd |
| Compatible Sizes | 26650, 18650, 14500, 10440, AA, AAA, etc. |
| Charging Control | Independent microprocessor channels |
| Protection | Reverse polarity, short circuit, overcharge |
| Dimensions | 146 × 100 × 33 mm |
| Weight | 260 ±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, power tools, cameras, and household electronics.
Extended Benefits
Acts as a USB power bank when a charged Li-ion battery is inserted, and includes a battery capacity test function via discharge measurement.
Compatibility / Upgrade
Compatible with most LiitoKala rechargeable cells, including 18650, 26650, 14500, and AA batteries. An excellent choice for users seeking a multi-functional, high-precision charger.
Product FAQ
What battery types can the Lii-M4 charge?
It supports Li-ion (4.2V) and NiMH/NiCd (1.48V) rechargeable batteries.
Can I use it as a power bank?
Yes, it includes a 5V/1A USB output that allows charging of phones and small devices.
What is the discharge test mode?
The Lii-M4 includes a 500mA discharge test to check battery capacity and health.
Can I charge four batteries at the same time?
Yes, all four slots operate independently, allowing simultaneous charging of up to four cells.
What safety protections are included?
It includes reverse polarity, short circuit, and overcharge protection for safe daily operation.
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