Overview
The LiitoKala Lii-402 is a professional-grade 4-slot universal battery charger designed for Li-ion, LiFePO4, and NiMH rechargeable batteries. It features independent slot control, automatic voltage detection, and multi-level protection, making it suitable for both home and laboratory use.
Main Features
- Charges up to four batteries independently and simultaneously
- Compatible with Li-ion (3.7V/3.8V), LiFePO4 (3.2V), and NiMH/NiCd (1.2V) cells
- Selectable charging current: 500mA or 1000mA per slot
- 0V activation function for deeply discharged batteries
- USB 5V output for powering external devices
- Built-in reverse polarity, short circuit, and overcharge protection
- Smart microcontroller ensures safe and efficient charging
- Compact and robust design for long-term reliability
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | Lii-402 |
| Type | 4-Slot Smart Universal Battery Charger |
| Supported Battery Types | Li-ion (3.7V / 3.8V), LiFePO4 (3.2V), NiMH/NiCd (1.2V) |
| Compatible Sizes | 26650, 22650, 18650, 18490, 18350, 17670, 17500, 17335, 16340, 14500, 10440, AA, AAA, SC, etc. |
| Input Power | DC 5V / 1A |
| Charging Current | 500mA / 1000mA (selectable) |
| USB Output | 5V |
| 0V Activation | Supported |
| Protection | Anti-reverse, short circuit, overcharge |
| Dimensions | 112 × 85 × 30 mm |
| Weight | 150 ±1 g |
| Carton Quantity | 100 pcs |
| Carton Size | 52.5 × 32 × 32.5 cm |
Applications
Primary Uses
Designed for Li-ion and NiMH batteries used in flashlights, headlamps, RC models, power tools, and portable electronics.
Extended Benefits
Acts as a USB power bank when a charged Li-ion cell is inserted, making it suitable for field use and emergency charging scenarios.
Compatibility / Upgrade
Compatible with a broad range of LiitoKala rechargeable cells such as 18650, 26650, and 14500 batteries. A practical upgrade for users needing a multi-slot intelligent charger with automatic detection and independent control.
Product FAQ
What battery types does the Lii-402 support?
It supports Li-ion (3.7V/3.8V), LiFePO4 (3.2V), and NiMH/NiCd (1.2V) rechargeable batteries.
Can I charge different batteries at the same time?
Yes, each slot operates independently, allowing mixed-size and mixed-type battery charging.
Does it include safety protection?
Yes, the charger has reverse polarity, short circuit, and overcharge protection.
What is the 0V activation function?
It can recover over-discharged batteries by gently reactivating cells below safe voltage levels.
Can the charger be used as a USB power bank?
Yes, the USB output allows 5V power delivery when a charged Li-ion battery is inserted.
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