batteries link package, connect 3 batteries as a group with 45A circuit breakers, or connect 4 batteries as a group with 30A circuit breakers,
fit common battery on market from 72v-82v, like Greenworks, Kobalt, snapper…
paramotor 30lb + 4 of 30A circuit breakers with 4 0f (2-3ah)batteries 14lb = 44lb about 10 munites flight time. can upgrade to 4 of (4-5ah)batteries 22lb
paramotor 30lb + 3 of 45A circuit breakers with 3 of (4-5ah)batteries 16.5lb = 46.5lb about 10 munites flight time. this setup will NOT work with 2-3ah batteries.
every additional 16.5lb(3 batteries) weight = 10-20 munites flight time (more batteries have cruising time)
recommend greenworks 80v 4ah battery on amazon
warning: 3 x 45a Breakers will NOT work with 2Ah or 3Ah batteries, minimum request 3 of 4Ah or plus batteries.