Feature: 1. the battery when there is power, and automatically use the battery when power is off. The battery is automatically charged and discharged2. With input reverse connection, overheating, overdischarging, and short circuit protection, you can use the UPS Module with confidence 3. At least 20AWG wire should be used for welding input and output, and the wire length should not exceed 10cm/3.9in 4. The control board will generate heat when working, so keep a certain distance from the battery when installing 5. Suitable for routers, switches, alarms, cameras and other equipment to be used as backup power after power failure Specification: Item Type: UPS Module Package List: 1 x UPS ModuleNote: 1. BAT connection (please connect the battery in the last step, this is very important) battery 3.7V lithium battery or Li‑pol, battery capacity: 1‑3AH ( maximum 5AH ) 2. At least 20AWG wire should be used for welding input and output, and the wire length should not exceed 10CM 3. If the input is connected to the output, a loop will be formed, and the loop will lose 0.4‑0.6mA current 4. Application description for accessories of charging indicator: Red light‑emitting blue diodes with common anode are used. The blue light indicates whether the battery is loaded; the red light indicates whether the battery is charged, the charging red light is on, and the red light is off when it is fully charged; the red light flashing indicates that the battery is abnormal or not connected. The indicator lights need to be configured by themselves. It is recommended to select the red and blue indicator lights to be effective, and the other color two‑color indicator lights are invalid. Note: The output short circuit of the control board is invalid when charging, so please use this function with caution. When the control board is working, it will heat up, so keep a certain distance from the battery when installing! 1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. 2. duties,taxes,and charges are not included in the item price or shipping fee. 3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the duties will be submitted to ebay for solution. 1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. 2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area3. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. ![]() |