Kastar 4 Batteries Camera Accessories for Canon LP-E4

Kastar Camera Accessories listing for 4 Batteries, UPC 697067275115. This pack contains four LP-E4 lithium-ion replacement batteries for the listed Canon cameras: EOS 1D C, EOS 1D X, EOS 1D X Mark II or Mark 2, EOS 1D Mark III or Mark 3, EOS 1Ds Mark III or Mark 3, and EOS 1D Mark IV or Mark 4. Each battery is rated 11.1V and 4400mAh. Kastar says the cells meet UL1642 and CE safety standards.

A built-in circuit protects against overcharging, over-discharging, over-voltage, over-current and overheating. The batteries are described as providing longer shooting time between charges than lower-capacity replacements, with protection features intended to preserve cycle life and reduce repeat purchases.