RV Battery Charger 55 Amp Power Converter 12 Volt Power Supply Battery
Charger ^^ Input Voltage: 105-130 VAC/60 Hz
Output Current: 55AMP ^^
Output Voltage: 13. 5 VDC (normal) / 13. 1 VDC (trickle charge) / 14. 4 VDC (bulk charge) ^^ Automatic three-stage converter charger ^^ It is for lead acid battery and lithium battery