Lithium Battery Charger 1 Cell HD-13639
The HD‑13639 Universal Battery Charger is a compact, single‑slot (1‑cell) charger designed for cylindrical 3.7V Li‑ion rechargeable batteries, including the popular 18650, 26650 and 14500 sizes. Its smart charging circuitry delivers stable and efficient charging with automatic polarity detection and overcharge protection, making every charge cycle safe and reliable. True to its “Plug, Charge & Go” design, the HD‑13639 features an integrated wall plug — no cables, docks or adapters required. Simply insert a battery into the single slot, plug the unit straight into any AC 100‑240V (47/63Hz) mains socket, and the illuminated charge indicator (battery symbol with lightning bolt) confirms charging is under way.
Features
- Universal compatibility
- Overcharge protection
- Adjustable spring contact
- Wall plug design (“Plug, Charge & Go”)
- Illuminated charge indicator
- Safe & reliable
Specifications
| Model | HD-13639 |
| Charger Type | Universal single-slot (1-cell) Li-ion battery charger |
| Compatible Batteries | 18650, 26650, 14500 – 3.7V Li-ion rechargeable |
| Input | AC 100-240V, 47/63Hz |
| Output | 4.2V, 1000mA / 500mA |
| Charging Slots | 1 (single slot) |
| Contact Type | Spring-loaded adjustable rail; sturdy metal contacts |
| Protection Features | Overcharge protection; automatic polarity detection |
| Housing Color | Black |
| Suitable For | Li-ion rechargeable batteries only |
Applications
- Home
- Office
- Travel
- Everyday single‑cell charging
Package Content
- 1 x Lithium Battery Charger 1 Cell HD-13639