About this item

• 1.Convenient operation, unlimited capacity expansion: Insert the battery (dry battery cannot be used), set the case and use it as a mobile battery. The battery case has a sleek design, making it even more convenient to insert and remove batteries. With 4, the maximum output is 5V2A, and you can use it with 1 , but the output current drops to 25%. With this battery case, you don’t have to buy a lot of mobile batteries. It can be used more than once by replacing the lithium battery.
• 2.2000mah Industrial grade lithium battery 4: Industrial grade lithium battery,Maximum current 6a, discharge efficiency 3c,safe temperature is 170 degrees, can be used for products such as electric vehicles, safe voltage 3.7V, please use with confidence. It is also used in equipment such as high-brightness flashlights, handheld fans, and air conditioners.
• 3.Three kinds of functions: In addition, there is also a battery charger function, and it can charge 3.7V lithium battery. It turns on with 2 LED lamps for 2 seconds (the two switches on the left are the same), and can be used as a flashlight for emergency situations.
• 4.Electric charge display, Safety protection: The monitor can display four levels of electric charge (please remove the protective filter when using). With multi-type protection function: Fully charged, automatic shutdown when reverse connection. The overheat protection function is specially installed and will automatically stop if the temperature is too high. Please be assured. (Note: Heat generation is a normal phenomenon while using the usb interface of the battery case.)
• 5.Product configuration and after-sales service: DC170 battery case = 1 (lightweight 80g), 2000mah industrial grade lithium battery = 4 (44.5g / 1), charging code = 1, Manual = 1. Free replacement / return within 30 days of initial failure. Note: Batteries and brands in the drawings are for illustrative purposes only and may differ. The capacity displayed on the outside of the battery case is a reference capacity, and the actual capacity depends on the lithium battery actually inserted.