Deer Park Aquarium - DeerPark Aquarium will have the first batch of the small but mighty Parker's Reef battery backup range to suit Ecotech pumps. These tiny batteries can power an MP10
Replacing the battery on Ecotech battery backup... - Reef Central Online Community
Simple Reef Battery Backup | Joe Jaworski's Weblog
Amazon.com : PENN-PLAX Silent-Air Aquarium Air Pump with Battery Backup (2 D Batteries – Not Included) – Designed for Emergencies and Power Outages – Ideal for Fish Tanks up to 29 Gallons : Pet Supplies