Powerbank T4056 with 18650 or other type Li-Ion Battery
thingiverse
Hi Every Body I designed this small powerbank from used dyson vacum cleaner battery that they have still capacity of 2200 mAh means can charge the any smart phone least %70 it is worth to do something. Also you can use brand new 18650 Li Ion battery capacity arround 2500 - 3000 mAh for more capacity. There are 4 stl files first you should print T4056HdPwrbnk2.stl to check your T4056 board suits inside than you can print others. You can buy T4056 board any website it is less than 1 usd. Of course you will need solder gun. Please use least PLA Plus or something more durable. Because Li-Ion Batteries NOT a TOY. Need to buy or find Plastic Screws from any web side. 4 each 2mmx15mm and 3 each 2mmx8mm For safety Capton Type can be used for isolation soldered joints. Especially + side of battery, make sure soldered joint must stayed on center of positive side and it is NOT touching edge of the battery which is negative part. Because Li-Ion Batteries can create heat during charge or de-charge. USE Capton Type and be carefull. Feel free to ask any question Have Fun
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