![]() Nickle strips or solder tabs for battery pack construction. ![]() Be careful when using one to strip wires. I live on the edge and use a utility knife. Nothing fancy, you need it to measure battery voltage. Some tabs don't need to be prepped, but I still do since the solder sticks to it better. For preparing the tabs and batteries for soldering. I use a Zanflare C4, and my clone SkyRC iMax B6. You can use any that charge or analyze the batteries. Cheap ones, big or small are fine.Ġ0 Phillips screwdriver for assembling the kit. It takes more heat to melt, leaves oxidization, and doesn't flow well. Melts at 250 C, great flux and cleaning action. You want to minimize it as much as possible so the faster you melt the solder, the better. Holding the soldering iron on the battery terminals is not good. Has to be at least 30 watts! Less and you won't get good solder connections to the batteries. ![]() That said, you need some tools to make it happen. I've made tutorials for homemade battery packs before, so check those out if you want to. Not a problem since I've done it before, but for those who haven't, I'll help you out in this tutorial. You had to build a battery pack in order for it to work. Once I got the parts (from the USA this time), I realized that it's not plug and play like some of the others that have the spring connectors already installed so you just insert the 18650's like you would AA's in a TV remote. I had some 18650's lying around from salvaged laptop batteries of varying capacity, so I figured why not? How hard could it be? So I hit up my PayPal for $6.99. that took 18650 lithium ion batteries as the power source, not LiPo's, which were kind of expensive for the thin ones that fit inside the enclosures.I ended up getting one more for the smaller liPo battery too and built that one. Then I stumbled across more DIY power bank kits from China like these. I wanted at least 6000 mAh, so I looked into custom fabricobbling something and decided it wasn't worth it without a 3D printer or other tooling. I figured I could make one with the kit, but found out they were limited to 5000 mAh batteries. I came across these things ( looked like 2.5" external hard drive enclosures, but you put LiPo batteries in them and could turn them into portable chargers. I got a different one for Christmas, but I could only charge my phone once before it needed to be recharged again :( I wanted a better one, but didn't want to spend $30 or $40 for a high capacity one. I took it apart, and it had a thin 7 mm thick LiPo battery inside and some boost/protection IC's on a board with SMD LED's for charge and capacity indicators. It charged when plugged in, but didn't charge the phone (no output). It stopped working, so it sat for a year until I found it. power bank my wife got as a gift from her company. I needed an idea and came across an old portable phone charger aka. I finished all my Spring/Summer projects, and needed a Fall project since September is rapidly approaching.
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