5V/2.1A Out DIY Board Charger Step Up Converter for 3.7V Battery Ac...

5V/2.1A Out DIY Board Charger Step Up Converter for 3.7V Battery Accessories Features: Brand new and high quality This UPS mobile power DIY board charger is the ultimated solution for your battery-powered equipment. With a charge and discharger boost modules, this ABS made product offer high efficiency, low quiescent current, and temperature resistance from -40 to +85. Perfect for DIY enthusiasts, as well as anyone who needs a portable charger or UPS power supply equipment. Whether you're using batteries or solar charging, this product is versatile enough to handle all your needs. With its compact size and lightweight design, you can take it with you wherever you go, making it an essential accessory for your portable devices. Specifications: Material:ABS Charge voltage: DC5V (4.6V-6.5V) Charging current: 0-1A Full charge voltage: 4.2V+-2%. Led indicator : "OK" LED is fully charge OR battery failure status indicator;"CR" LED is charge status indicator Discharge current : 0-3.5A Discharge quiescent current : 200uA Discharge conversion efficiency : 78%-91% Output current: 0-2.1A(5V) Operating ambient temperature: -40 to +85 Storage temperature: -65 to +125 Length:Approx.28mm/1.1inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x UPS Mobile Power DIY Board