Liitokala Engineer Lii-500: Smart 4-Slot Battery Charger & TesterThe 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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