The Dell Latitude E7450 battery is a rechargeable lithium-ion or lithium-polymer battery available in 3-cell (
34Wh34 cap W h
34Wh
) or 4-cell (
47Wh47 cap
47Wh
or
54Wh54 cap W h
54Wh) configurations. Both options use ExpressCharge technology and are rated for about 300-500 discharge/charge cycle