his DC UPS Circuit USB 5V 12V Output Power Supply Module Board is a must-have for anyone who needs a reliable power source for their WiFi 12V Router or 5V Onu. With a 16V Continues Backup, this module board ensures that your devices stay powered even during power outages. The board is designed to take input from 4x3.7V 12V Li-ion Batteries and Battery Charging Input, making it easy to use and versatile. It is perfect for those who need a portable power source for their electronic devices. The board is easy to install and use, making it a great choice for DIY enthusiasts.

This USB Smart Single Slot Charger is perfect for charging your 18650 Lithium batteries. It is compact and easy to use, with an indicator light to let you know when your battery is fully charged. This charger is also versatile, as it can be used to charge small fans and flashlights. Its universal compatibility makes it a great addition to your gadget collection.