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Building the battery pack yourself would give flexibility regarding size and shape of the battery pack. Maybe you could put them inside the seat tube?
by _Microft 5y ago
Building the battery pack yourself would give flexibility regarding size and shape of the battery pack. Maybe you could put them inside the seat tube?
- swader999 5y agoYou can often find faulty drill packs and harvest the good cells from those and cobble together a pack. Charging it safely isn't easy but can be done. There are battery management systems you can integrate. It's difficult to put inside the seat tube but putting it in a custom container on the down tube works well and that's a great place to put the added weight.
- FPGAhacker 5y agoDoesn’t sound like a good idea to me… a malfunctioning battery would turn that into a blowtorch aimed at your nether regions.