Cost of PowerPro vs AGM and Lead Acid
Stark SRK-533 AGM
$33,333 CAD
Cost to achieve 8,000 cycles
Warranty: 3 years
Cycles: 1,200
Config: 8 each, 6V 424Ah @ 20hrs
Approx. 10kWh usable at 50% discharge
Cost per config: 5,000
Cost per cycle: $4.17
Dramatically Better Value
EG4 PowerPro Lithium (LiFePO4/LFP)
$6,999 CAD
Cost to achieve 8,000 cycles
Warranty: 10 years
Cycles: 8,000
Config: 1 battery, 14.3kWh
Apporox. 11.5kWh usable at 80% discharge
Cost per config: $6,999
Cost per cycle: $0.87
Rolls S-550/S6-L16-HC Lead Acid
$17,536 CAD
Cost to achieve 8,000 cycles
Warranty: 3 years
Cycles: 2,000
Config: 8 each, 6V 445Ah @20hrs
Approx. 10.6kWh usable at 50% discharge
Cost per config: $4,384
Cost per cycle: $2.19