The new high-capacity lithium-ion battery pack LP-E4, has a capacity of 2300 mAh, 40% more than the NP-E3 NiMH battery pack used in the Mark II. It is possible to shoot 2200 shots at normal temperatures (about 20 °C), or 1700 shots at 0°C on a single battery charge. The battery is also more compact and lighter, 40% smaller in terms of volume and 46% lighter. Battery Pack LP-E4 for EOS-1D Mark III & EOS-1Ds Mark III.