This is a 3 stage automatic smart wheelchair battery charger. It will not damage your batteries if left connected. Used with the following wheelchairs: Invacare Pride Mobility Hoveround Freedom DDC Shoprider E-Scooter Electra Frank Mobility Merits Health Products Theradyne ...and others with batteries.
Input Voltage 100VAC - 240VAC Input Frequency 50Hz - 60Hz Over - Voltage Protection (<) 30VDC Over - Current Protection (>) 5.5A Input Power (Watts) (<) 180 Watts Input Standby Power (Watts) (<) 8 Watts Efficiency 80% Battery Size Range 12AH - 50AH 4.2KV for 1min. 3.5mA Output Voltage Bulk Charge 28.6VDC +/ -0.5VDC Float Charge 26.6VDC +/ -0.5VDC Output Current Bulk Charge 5A +/ - 0.5A Float Charge (<) 1.2A Specication Dielectric Withstand Voltage Insulation Resistance 50M Ω min. 500VDC, Input to Output Operating Temperature -10C ~+ 40C Storage Temperature -10C ~+ 80C Connector 3 Pin D (XLR), Pin 1 (+) / Pin 2 & 3 (ground) Standards UL1012, CUL, FCC Part 15- Class B