4-channel Li-Ion Battery Charger 3.7V, with overcharge auto-off protection
Available in stock
| Quantity | Price per unit | You save |
|---|---|---|
| 1–2 pcs | 33,99 lei | — |
| 3–4 pcs | 32,29 lei | 5% (−1,70 lei/unit) |
| 5–10 pcs | 30,59 lei | 10% (−3,40 lei/unit) |
| 11+ pcs | 28,89 lei | 15% (−5,10 lei/unit) |
Smart Li-Ion Battery Charger with Automatic Overcharge Protection
This 4-channel independent 3.7V charger ensures simultaneous, fast, and safe charging of Li-Ion batteries. The auto-stop system prevents overcharging, extending battery life and eliminating the risk of damage. Compatible with 18650 batteries and other standard formats, it is the ideal solution for flashlights, portable electronic devices, and equipment requiring rechargeable batteries.
What you get with this product
- Smart overcharge protection — the charger automatically stops when the battery is full, with no risk of damage
- Simultaneous charging of 4 batteries — save time and always have spare batteries ready
- Universal compatibility with 100-240V mains voltage — functional anywhere in the world, without an additional transformer
- Independent channels for each battery — you can charge batteries with different discharge levels without problems
- Compact and easy-to-carry design — takes up minimal space and can be carried in a bag or backpack
- Certified safety with integrated protection — prevents short circuits, overheating, and electrical overload
How it works and how to install
Insert the Li-Ion batteries into the 4 slots, observing the polarity marked on the charger. Connect the power cable to a standard 220V outlet and charging starts automatically. Each channel independently monitors the battery and stops power once maximum capacity is reached. No settings or configurations are needed — plug-and-play function, no special technical knowledge required.
Frequently asked questions
Can I charge batteries with different capacities at the same time?
Yes, each channel operates independently and stops charging when that particular battery is full, regardless of the other channels.
How long does it take to fully charge an 18650 battery?
Depending on the battery capacity, charging time varies between 3-5 hours at 500mA per channel.
Is it safe to leave the charger connected overnight?
Yes, the auto-stop system prevents overcharging and keeps the battery safe after charging is complete.
Technical specifications
| Battery type | Li-Ion |
| Number of charging channels | 4 independent channels |
| Input voltage | AC 100-240V / 47-63Hz |
| Output voltage per channel | DC 3.7V |
| Output current per channel | 500mA |
| Charging voltage | 3.7V ±1% |
| Plug type | EU Plug (European standard) |
| Integrated protections | Auto-stop for overcharge, short-circuit protection |
| EAN | 0781499727141 |
Warranty and support
The product benefits from a 24-month warranty in accordance with current Romanian legislation. You have the right to return within 30 days of receiving the order. Fast delivery by national courier throughout Romania.
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