Your technically correct, but LiFePO have a longer life compared to the old Lithium batterie which has a recharge of life of only 800-900 times. The new generation of LiFePO batteries normally can be recharged 3000 to 4000 times (cycles).
Yep, mine is 1800kw solar generator so its heavy. Its tuck on the deck. Just as a recommendation purchase LiFePO battery, they have a greater battery recharge lifetime then lithium. The upper EV car market is now in the switching over to it now