Lithium Battery Charger 1 Cell HD-13639

From the shop's description

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