TWO new MaximalPower Replacement Battery for: NIKON EN-EL11 Camera Batteries PENTAX D-LI78 Camera Batteries OLYMPUS LI-60B Camera Batteries RICOH DB-80 Camera Batteries Features: New MaximalPower brand battery. USA Based brand with Warranty and Customer Service. Battery Type: Li-ion. 100% Compatible with original manufacturer equipment. Absolutely no memory effect so that you can charge battery at anytime. Integrated microchip prevents overcharging & lengthens battery life! Capacity: 3.7v 880mAh (Will NOT affect battery compatibility) Quantity: 2 Works in the following devices: NIKON COOLPIX CoolPix S550 CoolPix S560 RICOH CAPLIO CAPLIO R50 OLYMPUS FE-370 PENTAX OPTIO Optio M50 Optio V20 Optio W60 Replaces the following OEM battery part numbers: NIKON EN-EL11 PENTAX D-LI78 OLYMPUS LI-6OB RICOH DB-80