Building some battery packs for /P activities. After a year of usage I concluded my 20ah Lead-acid battery is not fit for the purpose of power source for hamradio portable operations.

EVE C40 40135 20ah
Charger
Power poles
Balancer cables 4S 30cm
Battery alarm
Insulation paper
4s2p battery bracket for 40135 cells
Powerpole assembly
Box