Quantity: 2pcs Color: Black Product Name: 3.7V-4.2V Universal Lithium Battery Charger Suitable for various sizes of lithium-ion rechargeable batteries (both flat and convex heads are acceptable) 1. Product features: USB high-current charging is more reliable. 2. Intelligent charging, automatic stop display when full, protecting the battery. 3. The red indicator lights up when charging, turns blue when full, and automatically stops charging. Switch to trickle compensation and can be plugged in for long-term backup. 4. Comprehensive protection function, if the battery is installed backwards, the protection will not charge. Input voltage: 5V Charging current: 500/1200mA This charger can charge 26650/18650/17670/14500/10440/16340 "Note: The data are all manually measured, please allow an error of 1-3cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.