I have 4 lead acid batteries that total 440 amp hrs. To replace them with lithium batteries what would the cost be thanks David
A 300 AH LiFePO4 battery would effectively replace your 440 AH lead acid based existing batteries.
LITH-AA-SN-300AHA Sinopoly 4 cell battery = 300Ahr 13.2V, 363 x 220 x 328mm h, 39kg $3693 plus $269 for a Votronic Monitor.