F4Technical Notes and IndexBatteriesBe sure to read and follow the warnings noted in “For Your Safety” (A viii-xv) before use.B Notes About Using Batteries• Used batteries may overheat. Handle with caution.• Do not use batteries beyond their recommended expiration date.• Do not turn the camera on and off repeatedly if discharged batteries are inserted in the camera.B Spare BatteriesWe recommend carrying spare batteries depending on where you are shooting. It may be difficult topurchase batteries in certain areas.B Charging BatteriesIf using optional rechargeable batteries, charge the batteries before taking pictures. Batteries are notcharged at the time of purchase.Be sure to read and follow the warnings noted in the operating instructions included with thebattery charger.B Charging Rechargeable Batteries• Do not mix batteries with different amounts of charge remaining, or batteries of a different makeor model.• When using EN-MH2 batteries with the COOLPIX L810, charge the batteries four at a time usingBattery Charger MH-73. Use only Battery Charger MH-73 to charge EN-MH2 batteries.• When using Battery Charger MH-73, only charge EN-MH2 batteries.• EN-MH1 rechargeable Ni-MH batteries cannot be used.
