System

Batteries

Specifications Li-ion Li-FePO4 OPzV OPzS
Batteries Lithium NMC prismatic LiFePO4 Gelified electrolyte lead Lead-acid
% DOD 80 to 100% 80% 50 to 80% 50 to 80%
Temperature range -10 to 50°C -10 to 50°C -20 to 60°C -20 to 60°C
Max recommended T 28°C 25°C 30°C 30°C
Nb of cycles at 100% DOD 6000 4000 N/A N/A
Nb of cycles at 60% DOD N/A N/A 2000 2000
Life cycle (1 cycle/day) in years 16 11 5 5
Max unloading speed 1h 2h 5h 5h
Weight (kgs/kWh) 7.5 12 35 29
Bulk Low Low Significant Significant
kWh price €600 to €650 €350 to €450 €190 to €210 €150 to €180
Maintenance NO NO NO YES (water filling)
Release of hydrogen NO NO Low NO
Risk of explosion YES YES NO NO
Environmental impact Filière recyclage en cours Filière recyclage en cours Recyclable Recyclable