http://tinyurl.com/l2hpdag
Wayne ESP25 12-Volt 3300 Gallons Per Hour Battery Back Up Sump Pump SystemProduct Review
Click on the link for more reviews
2300-Gallons per hour at 10-feet of lift
Corrosion resistant thermoplastic construction
Alarm sounds to notify you when the backup system is active
Requires one 40-ampere hour or one 75-ampere hour battery
1-Year limited warranty
