Diy Electric Bike Battery Pack
And buy 1000w hub motor kit.
Diy electric bike battery pack. I ll show you how you can create your own diy electric bicycle battery from these cells for much less than the cost of a retail ebike battery. One of the most common types is a cylindrical cell called an 18650 cell named so because it is 18 mm in diameter and 65 mm long. I have some questions 1. Dan maloney july 3 2018 in somewhat of a departure from their normal fare of heavy metal mods make it extreme is working on a battery pack for an e bike that has some interesting design.
Bike builders everywhere are discovering that clustering many 18650s together are an effective way to build not only an affordable pack but one with unbeatable performance and safety. My pack has a voltage of 48v a capacity of 5ah and an output current of 20a but you can easily add more cells to alter those values. For everything from home solar energy storage to garage built electric bicycles. 18650 cells more info on these below pure nickel strip spot welder hot glue gun digital voltmeter scissors soldering iron and solder kapton non static tape bms battery management system short length of silicone wire 12 16 awg foam padding optional large diameter.
In this project i will show you how to combine li ion cells nickel strips and a bms battery management system in order to create a battery pack for an ebike. Electric bicycles use batteries made from lithium ion cells. Damien rene is an ebike enthusiast in spain. Do i need smart charger though installing bms.
For diy enthusiasts in the green energy community homemade lithium ion battery packs have long been a holy grail. One of our most consistently popular articles is the one on how he builds spot welded battery packs for ebikes found here. That being said the most basic spot welding unit you can buy direct from china is the sunkko 709a and it can be found for approximately 300 in 2017. If you are looking for ready to buy 18650 packs with bms go to luna cycle website.
Tools and materials required. Affordable and powerful 18650 battery cells are the hottest thing in the diy electric bike revolution most well known from their use in cordless tools.