▶This mobile power supply can be DIY18650, 21700 batteries, the maximum power is 100W and upgraded 60W, 120W, safe and easy to carry▶There is an independent battery protection board on the circuit board to prevent battery damage and overheat protectionNOTE:Note that this one without battery.You need to buy batteries separately or use your own batteries.1. The product does not need to be welded and fixed with screws. After a long time of use, if there is damage, you can directly buy the built-in motherboard or battery, without repurchasing the entire power bank, the corresponding battery can also be purchased, the replacement is very convenient, both upgrade and replacement are available. Simple operation.2. 120W and 60W fast charging modules can be upgraded and superimposed.3. This power bank is a transparent acrylic shell, you can directly see the internal results and the internal situation of the product.4. Semi-finished products do not have batteries. You can use your own existing batteries, but they must meet the specifications. The finished products can also be disassembled. reuse.5. There are various upgrade components in the store, you can buy the corresponding components and upgrade and assemble by yourself.6.The charging adapter is also sold in the store, search for the product ID 3256803768602652 or enter the store to find it7.This is an upgraded version of the original ip5389 without battery8.The number of batteries installed is 24, and there are 8 and 16. Please contact us if you need it.9.We also sell 8-pack power bank，please contact if you need This is a 24-cell battery because of the pursuit of cost-effectiveness.It is recommended to choose 100W+120W+120W for this model, which is only $1.48 more in cost than 100W+120W+60W, but it can add an extra high-power output and input port, which is extremely cost-effective.After installing 24 5000mah batteries, it can reach 120000mah power.10. Note: The details of the protocol supported by the 100W main circuit board are shown in the main figure. (For superimposed 120W module and 60W module support agreement, please contact customer service for consultation)ZY1280E YZXSTUD10 3.50BAUSB-C 3.0A PD2.0 100WPD3.0 PPS 3.30-21.0V 63WAPPLE 2.4A SAMSUNG BC1.2DCPQC3.0 5V 9V 12V 20V QC4+SAMSUNG-AFC 5V 9V 12V 25WHUAWEI-FCP 5V 9V 12V 24WSCP3.3--5.5V 5.0A 25WVOOC DASH MTKPE1.1 PE2.0Please read the above agreement carefully, if not, please contact us