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[Battery-Free] LiitoKala Lii-M4S Smart Battery Charger

$19.00 USD $29.99 USD Save $10.99 USD

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6-Layer Safety Protection

Charge worry-free with built-in safeguards against over-discharge, over-temperature, over-voltage, over-charging, short circuit, and over-current.
Ultra-Wide Compatibility

Works with all major rechargeable battery types: 16340, 18650, 26650, 12700, AAA, 3.7V Li-ion, and 1.2V NiMH batteries. One charger replaces multiple devices.
4-in-1 Multi-Functionality
- Charge: Powers up Li-ion/NiMH batteries at adjustable currents.
- Discharge: Safely drains batteries for reconditioning.
- Test: Automatically detects battery capacity and records data.
- Store: Maintains Li-ion batteries at 3.7V (ideal storage voltage) by auto-discharging overcharged units.
Smart, Intuitive Controls
- Tap MODE (within 8s of inserting batteries) to switch modes; long-press to unlock.
- Use CURRENT to adjust charging speed; long-press to keep the screen always on.
- Tap slots 1-4 to view real-time parameters for each battery.
Dead Battery Activation

Revives batteries that’ve been idle for ≥3 months (or have high internal resistance) — no need to discard old units.
Practical, Durable Design
- Type-C charging port for easy power input.
- Compact size (146×100×33mm) + thermal design for efficient heat dissipation.
- Multiple current gears (0.3A/0.5A/0.7A/1.0A) to match different battery needs.

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