Air Pump Battery Backup

Versatile air pump for continuous use or 10 - 20 hours of battery operationProvides uninterrupted aquarium aeration during power loss6V rechargeable air pump battery automatically recharges when power is restored Battery Backup Pump?Automatically switches to battery operation during a power loss to supply oxygen to your aquarium for 10 hours continuously, or 20 hours intermittently - reliable performance and peace-of-mind. We highly recommend this pump because even if the power goes out, this compact workhorse will continue to supply oxygen to your aquarium. It runs continuously on 110V, switching automatically to battery during power loss, then recharges when power is restored. Features two modes: High runs 10 hours continuously on full battery and low runs 20 hours intermittently, 50 seconds on and 50 seconds off. 6V rechargeable battery included. Two 3/16" outlets provide a total of 0.15 cfm of air at 30" of water depth for two airstones. Rated at an output of 240 liters per hour. For aquariums up to 80 gallons. Open center cover and attach red wire to start. Measures 9-1/4" x 6-1/4" x 3-1/4".Please click on "More Information" for operating instructions.