Overview
The LiitoKala Lii-L16340 is a specialized charger engineered for 16340 Li-ion rechargeable batteries, offering efficient and safe multi-slot charging through a microcomputer-controlled system. It supports up to four cells simultaneously with independent monitoring and LED indication.
Main Features
- Charges up to four 16340 batteries simultaneously
- Independent slot control with intelligent voltage detection
- Standard charge current of 500mA per slot
- Short-circuit, reverse polarity, and fault protection
- Four LED indicators showing charge progress and status
- Powered via USB DC 5V/2A input for universal compatibility
- Compact and lightweight design for desktop or travel use
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | Lii-L16340 |
| Type | 4-Slot Smart Charger |
| Input Power | DC 5V / 2A |
| Output Voltage | 4.20V |
| Output Current | 500mA × 4 slots |
| Standby Current | <15mA |
| Charging Control | Microcomputer-controlled |
| Indicators | 4-stage LED for each slot |
| Dimensions | 80 × 70 × 25 mm |
| Weight | 80 ±1 g |
| Power Connector | USB Type-A to Micro-USB cable |
| Working Environment | Dry indoor use only |
Applications
Primary Uses
Ideal for charging 16340 Li-ion batteries used in flashlights, mini cameras, vape devices, and small electronic tools.
Extended Benefits
Compatible with MK USB adapters, portable power banks, or wall chargers (5V/2A). Suitable for both household and field charging requirements.
Compatibility / Upgrade
Optimized for LiitoKala 16340 batteries and compatible with other high-quality 3.7V 16340 cells. Works seamlessly with LiitoKala protection boards for enhanced safety.
Product FAQ
Can this charger be used for other battery types besides 16340?
No, the Lii-L16340 is specifically designed for type-16340 Li-ion batteries only.
What power source should I use?
Use a 5V/2A USB adapter for optimal performance and stable charging current.
How do I know when charging is complete?
When all four LED lights remain on, the battery is fully charged.
Does it protect against incorrect polarity?
Yes, the charger has reverse polarity and short circuit protection.
Can I leave the batteries in after charging?
It’s recommended to remove batteries after charging and disconnect power for safety.







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