Rommba 5xx battery mod
thingiverse
I use AGV 18 wires for connections, and pieces of a metal strip from the old battery. You also need to modify the robot motherboard so just look at "List". better buy on amazon a new factory battery than spend time to DIY but you still must modify the mainboard! to prevent error 5. more things in my channel https://www.youtube.com/channel/UCw_IxunMXKE719E-rc7hHzA Update you should use additional balance board because seller lies about the balancing function on bms for exemple. https://aliexpress.com/item/1005001481689292.html?_ga=2.30203384.633587595.1644285867-1968376420.1580139662&mp=1&sku_id=12000016289057628&spm=a2g0o.cart.0.0.24eb3c00laeMKe Use at your own risk.
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