The Liitokala Engineer Lii-500 is a powerful, smart, and user-friendly 4-slot universal battery charger and tester. Designed to support a wide range of rechargeable batteries, it is a go-to solution for hobbyists, professionals, and everyday users who need reliable charging, testing, and maintenance.
| Feature | Description |
| Wide Battery Compatibility | Supports Ni-MH, Ni-CD, and Li-ion batteries. Compatible with 18650, 26650, 14500, 16340, AA, AAA, and more. |
| Four Independent Slots | Charge or test up to four batteries simultaneously, regardless of size or type. |
| Clear LCD Display | Real-time display of voltage, current, capacity, resistance, and charging time. |
| Multiple Operating Modes | - Charge Mode – Safe and efficient charging - Fast Test Mode – Quick capacity check - Nor Test Mode – Full charge-discharge test - Storage Mode – Optimizes charge level for long-term storage |
| Adjustable Charging Current | Selectable current: 300mA, 500mA, 700mA, or 1000mA, based on battery type and condition. |
| Advanced Safety Features | Protection against overcharge, over-discharge, short circuit, reverse polarity, and overheating (temperature monitoring). |
| USB Output Function | Functions as a power bank when loaded with charged batteries. USB output: 5V / 1A. |
| Parameter | Value |
| Input Voltage | DC 12V / 2A |
| Supported Battery Types | Ni-MH, Ni-CD, Li-ion |
| Compatible Sizes | 18650, 26650, 14500, 16340, AA, AAA, and more |
| Charging Current Options | 300mA, 500mA, 700mA, 1000mA |
| Discharge Current | 250mA |
| USB Output Voltage | 5V |
| USB Output Current | 1000mA (1A) |
| Display Info | Voltage, Current, Capacity, Resistance, Charging Time |
| Modes Available | Charge, Fast Test, Nor Test, Storage |
| Safety Features | Overcharge, Over-discharge, Short Circuit, Reverse Polarity, Temperature Monitoring |
| Dimensions | 162mm x 96mm x 36mm |
| Weight | ~350g |
| Benefit | Description |
| Precise Testing | Accurately analyzes battery health and actual capacity for better performance. |
| Versatile Usage | Ideal for use with flashlights, cameras, RC toys, power tools, and more. |
| Cost-Effective | Extends battery life, reducing the need for frequent replacements. |
| Beginner-Friendly | Simple controls and a detailed display make it easy for anyone to use. |
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