2 in 1 charger for Nikon EN-EL18, Canon EOS 1D Mark III, 1D Mark IV, 1Ds Mark III by PATONA. The charger features an LED charging status indicator and includes a car adapter. High safety is ensured through integrated heat and overcharge protection. The charger is compatible with the following camera models: Canon EOS 1D Mark III, 1D Mark IV, 1Ds Mark III, Nikon D D2H, D2Hs, D2X, D2Xs, D3, D3X, D4, D4s, F6. Compatible original battery designations: Canon LP-E4, Nikon EN-EL18, EN-EL4. The Nikon EN-EL18 charger has been designed with the latest safety features while keeping weight to a minimum. Maximum safety is guaranteed through continuous quality control at the production facilities by our PATONA team members. The charger can be used to charge both original batteries and compatible aftermarket batteries. This charger is a high-quality aftermarket product from the PATONA brand - not an original.