Lithium-ion battery charger with micro-USB

Charger for lithium-ion cells (type 18650). Charging is performed via the micro-USB connector or the (+) and (-) terminals. The battery connects to the BAT (+) and (-) terminals. Linear charging. Input voltage: 4.5–5.5 V. Full charge voltage: 4.2 V. Charging current: up to 1 A. LED status indication (charging, fully charged). Dimensions: 25 x 19 x 10 mm. Caution: This product is not a finished device but a component.