Customizable 18650 battery holder:
I was designing to replace 3 AA Ni-MH batteries with 1 LiIon 18650 in an LDG Z817 auto-matching device. The device has shown its performance and low self-discharge current.
18650_holder.stl | 358.5KB | |
18650_holder_v7.f3d | 352.8KB |