Lithium-ion “Lithium-ion” redirects here. For the metal element, see Lithium. Lithium-ion battery A 3.6v Li-ion battery from a Nokia 3310 mobile phone Specific energy 100–265 Wh/kg (0.360–0.954 MJ/kg) Energy density 250–693 Wh/L (0.90–2.49 MJ/L) Specific power c. 250–340 W/kg Charge/discharge efficiency 80–90% Energy/consumer-price 7.6 Wh/US$ (US$132/kWh) Self-discharge rate 0.35% to 2.5% per month depending on state of charge Cycle durability 400–1,200 cycles Nominal […]

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