Overview
The LiitoKala Lii-CH2 is a compact dual-slot intelligent charger designed for Li-ion, IMR, LiFePO4, and NiMH/NiCd rechargeable batteries. Using a USB 5V/2A power source, it combines microprocessor-based current control, precise voltage regulation, and universal compatibility to ensure safe and accurate charging in a portable design.
Main Features
- USB 5V/2A input for universal compatibility with wall adapters or power banks
- Supports multiple chemistries: Li-ion, IMR, LiFePO4, NiMH, and NiCd
- Independent dual-slot control for simultaneous charging
- Output voltages:
- 4.20V for Li-ion
- 4.35V for IMR
- 3.65V for LiFePO4
- 1.48V for NiMH/NiCd
- Output currents:
- 1000mA ×2 or 500mA ×2 (selectable by slot)
- Constant current/constant voltage (CC/CV) charging with cutoff <100mA
- Low standby current (<50mA) for energy efficiency
- Built-in safety system against overcharge, short circuit, reverse polarity, and temperature rise
- Compact, lightweight, and travel-ready design
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | Lii-CH2 |
| Type | Dual-Slot Smart Battery Charger |
| Input Power | USB DC 5V / 2A |
| Output Voltage | 4.20V (Li-ion); 4.35V (IMR); 3.65V (LiFePO4); 1.48V (NiMH/NiCd) |
| Output Current | 1000mA ×2 or 500mA ×2 |
| Charging Method | Constant current / constant voltage, cutoff <100mA |
| Standby Current | <50mA |
| Supported Battery Types | Li-ion, IMR, LiFePO4, NiMH, NiCd |
| Compatible Sizes | 26650, 21700, 20700, 18650, 18490, 18350, 17670, 17500, 16340 (RCR123), 14500, 10440, AA, AAA, A, SC, C |
| Charging Control | Independent microprocessor channels |
| Protection | Overcharge, short circuit, reverse polarity, temperature control |
| Dimensions | 139 × 70 × 35 mm |
| Weight | 165 ±1 g |
| Carton Quantity | 60 pcs |
| Carton Size | 45.5 × 32.5 × 30 cm |
Applications
Primary Uses
Ideal for charging Li-ion, LiFePO4, and NiMH/NiCd batteries used in flashlights, cameras, vape devices, and portable tools.
Extended Benefits
Compact size and USB power compatibility make it suitable for use with wall adapters, laptops, or power banks — convenient for travel or field use.
Compatibility / Upgrade
Compatible with all LiitoKala rechargeable batteries, including 26650, 18650, and 14500. A reliable choice for users seeking a lightweight, dual-slot multi-chemistry charger.
Product FAQ
What battery types can the Lii-CH2 charge?
It supports Li-ion, IMR, LiFePO4, and NiMH/NiCd rechargeable batteries.
Can it charge two batteries at the same time?
Yes, both slots operate independently, allowing two batteries of different chemistries or sizes to charge simultaneously.
What is the maximum charging current?
Each slot can provide up to 1000mA, or 500mA per slot for smaller cells.
Does it support USB input from a power bank?
Yes, the 5V/2A USB input allows the charger to work with power banks or standard USB adapters.
What safety features are included?
The charger includes reverse polarity, overcharge, short circuit, and temperature protection for secure operation.
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