USB 4.2V Li-ion Battery Charger BL-5C – Multi-Connector
USB 4.2V Li-ion Battery Charger BL-5C – Multi-Connector
USB Li-ion Battery Charger 4.2V with Multiple Connectors
Keep your mobile phone's removable Li-ion battery topped up and ready to go with this compact, universal USB battery charger. Designed for BL-5C and similar 4.2V Li-ion cells, it features multiple connector clips so you can charge a wide range of replacement batteries without needing a separate wall adapter — just plug it into any standard USB port and you're set.
Key Features
- Universal 4.2V Output: Optimized for BL-5C and compatible Li-ion mobile phone batteries.
- Multiple Connectors Included: Versatile clip connectors accommodate various battery terminal layouts.
- USB Powered: Charges via any standard USB port — laptop, power bank, USB wall adapter, or car charger.
- Compact & Portable: Slim 5 × 8 cm (1.96 × 3.14 in) design slips easily into a bag, drawer, or travel kit.
- Durable Plastic Housing: Lightweight yet sturdy black ABS plastic build.
- Plug-and-Charge Simplicity: No complex setup — connect the clips to your battery, plug in the USB cable, and charging begins automatically.
- 0.5 m USB Cable Length: Provides enough reach for comfortable use at your desk or bedside.
Specifications
| Output Voltage | 4.2V |
| Compatible Battery | BL-5C and similar Li-ion cells |
| USB Type | Standard USB-A |
| Cable Length | 0.5 m |
| Dimensions | 5 × 8 cm / 1.96 × 3.14 in |
| Color | Black |
| Material | Plastic |
| Package Contents | 1 × USB Battery Charger |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1 × USB Li-ion Battery Charger with multiple connector clips
Notes
- Please refer to the written dimensions above rather than photos for accurate sizing.
- Allow ±5–10 mm variance due to manual measurement.
- Screen color calibration may affect how the product color appears in images.
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Which batteries is this USB charger compatible with?
A: This charger is designed for 4.2V Li-ion batteries, most notably the BL-5C type commonly found in older Nokia and compatible mobile phones. The adjustable clip connectors allow it to work with many similarly-sized Li-ion replacement cells.
Q: Does this charger require a wall adapter, or can I use any USB port?
A: No dedicated wall adapter is required. The charger draws power from any standard USB-A port — including laptop USB ports, USB wall adapters, power banks, and USB car chargers — making it extremely versatile for home, office, or travel use.
Q: How do I know when the battery is fully charged?
A: Most units feature a built-in LED indicator that changes color or turns off when the battery reaches a full 4.2V charge. Check the indicator light while charging to monitor progress.
Q: Is this charger safe to use with my Li-ion battery?
A: Yes. The charger is designed specifically for 4.2V Li-ion chemistry and includes basic overcharge protection circuitry. Always use it as directed and do not leave batteries unattended during charging.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.