A huge and diverse array of charging devices for phones, smartphones and tablets are now literally on every counter. But quite often our expectations do not coincide with reality! For example; going on the road, and buying a powerbank for your mobile phone, we buy, let's say, a device at an average price, with a declared capacity of 10,400 mAh. Such a device should at least 3-4 times charge even the most "gluttonous" phone! However, the reality does not always coincide with what is written on the label. As the saying goes; "If you want to do something well - do it yourself!". Today we are going to collect the HONEST powerbank with our own hands ... Moreover, it will cost us relatively cheap, compared to a device of the same capacity (declared on the label, again!) Bought in a store. I personally, have already assembled such a device for myself, and I’m not happy! And now I’m happy to tell you how to assemble the same.Now you need to connect the controller. If you could not find such a thing in the appropriate store, use online stores, or (in extreme cases) buy any, the cheapest Chinese powerbank, which costs 100 rubles to get this fee out of it.The price will be almost identical, as if you bought this scarf in an online store with delivery.In general, the shawl-controller we have. Now MAXIMLY carefully connect B + and B- contacts to the contacts of the harvested battery. If you mix up plus and minus, the controller will immediately burn! I myself stepped on this rake, so be careful. After a successful soldering of all contacts, we apply the controller's kerchief to the most convenient place of the battery and, again, with the help of second glue and soda, glue it to the designated place.
- (4 pcs.)
- Phone Case ( suitable for yours.
- Glue second and soda.
- Soldering iron, with flux and solder.
- Thin tin ( eg,from the coffee can.)
- USB-micro usb short cable
Build mobile batterySo, let's start assembling. To begin with, we will connect the previously accumulated batteries. Cut two stripes from tin, about 4-5 mm wide. For the further convenience, first we will connect all accumulators in a single whole - applying them to each other by butts, we drip to the joints the second glue and then we wake it with soda. Then, using a soldering iron, solder and flux, we solder the tin plates to all the contacts of the batteries (I used spot welding, but not every person has it on the farm, so I advised to use a soldering iron). That is - we connect them in parallel. It should work like this:
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