Pondmax backup battery box for PS3500. Does not include battery, which can be purchased from any battery supply store. Multiple voltage ports - 6v, 12v, 18v. Can be set to run pump periodically (10 minutes every hour) or continuously. Please read instruction manual below for full details.
Also Compatible with the EV-DC series pumps.
The battery backup box requires a 12NiCAD battery (not included). We recommend a 12V 22 or 26Amp/h Dry Power Battery or a 12V 18Amp/h Century battery.
*Does not include battery*