Universal external battery charger with LED indicator for Samsung S3 S4 smartphones

General Description This universal portable battery charger is a compact and versatile device, designed to charge batteries 6-9CM in length. Equipped with built-in overcharge protection, it ensures fast and stable charging, with a light indicator to monitor the charging status. Features: Convenient Design: Suitable for batteries 6-9cm in length, offering universal compatibility for various battery types. Built-in Protection: Integrated current control IC automatically stops charging once the battery is full, preventing overcharging and ensuring stable operation. Fast Charging: Efficient charging performance to reduce waiting time. Clear Light Indicator: Green on + flashing red: Ready to use after connecting to the power source. Solid red: Charging (when the battery is installed). Solid green: Fully charged (automatically switches to full charge after saturation). Specifications: Product Name: Universal Battery Charger; Color: Black; Input: 5V/500mA-2000mA Output: 4.35V/450mA-1700mAh Compatible Battery Size: 6-9CM Package List: 1 * Universal Charger Usage and Precautions Usage: Connect the charger to a power source (green indicator on + flashing red = ready). Install the battery (6-9CM) on the charger (solid red indicator = charging). Remove the battery when the indicator turns solid green (fully charged). Precautions: Do not use the charger with batteries outside the compatible size range (6-9CM). Avoid using it in humid or excessively hot environments to preserve its lifespan.