I made my own Li-ion packs rather than buying any more premade LiPo's which I had no success with.
I avoided using cells with built in protection as I was using a Battery Management System (BMS) board
After the failure of my third model store bought LiPo battery in my Bachmann Shay and Consolidation ("Connie")I decide that I would make my ...
ringbalin-light-railway.blogspot.com
Inspiration and guidance was from here.
Narrow gauge large scale model garden railway. Battery powered, radio controlled locomotives, some Bluetooth. Set in Cheshire UK in 1930s
riksrailway.blogspot.com
I have a similar charger ti the imax described in the blog.