[Heavy Duty Inverter]: 12000 watt inverter charger peak 36000 watt for 20 seconds, input DC 48V and AC 240V, output 120/240Vac split phase pure sine wave, 120A AC charger, low frequency inverter suitable for different appliances and off grid system [Characters]: adjust 0-100% charge current, DIP switch to set utility/battery priority/ low voltage cut off, automatic generator start (AGS), automatic transfer switch between AC sources and battery sources, convenient remote control [Charging different Batteries]: 12000W low frequency inverter is for AGM, gel, lead acid, lithium ion and LiFePO4 batteries; multi-stage charging; battery temperature protection. Inverter allows start up and through power with depleted batteries [Reliable Inverter]: Over /low voltage protection, Over temperature protection,Over load protection, capable of working with microwave ovens, water pumps, refrigerator. Widely used for home, cabin, office, RV, trailer, boat, and so on [What you get]: 12KW 48V split phase inverter 1set; Remote control with 32 feet cable 1set; Battery temperature sensor with 32 feet cable 1set, User’s Manual,24 months warranty and lifetime technical service provided by SUNGOLDPOWER The 12000W pure sine wave inverter has peak power 36000w for 20 second.It is strong enough for big A/C and pump,or other heavy loads and many home appliances such as fridge, washing machine, oven, heater,etc. It works smoothly with external MPPT and make full use of your solar panels. It is widely used in off-grid systems for cottages, farms, car parks or farm buildings. The 12KW 48V inverter require 240Vac input and provide 110/120VAC OR 220/230/240VAC output split phase for all kinds of appliances both for 240V loads and 120V loads.