About this item

Applicable for 3 types of batteries:B01 Lead acid batttery,B02 Lithium ion battery,B03 Lithium iron phosphate battery

Power-cut memory function.The power-cut memory function can automatically memory retention of users' last settings

Large-screen LCD display, Double MOS tube anti-reverse circuit protection, which prevents battery current from flowing back to the solar cell at night to cause power loss.

Adopt complete three phase PWM charge management (Constant current mode,Constant voltage mode,Floating charge mode)

Multiple protections.Overcurrent protection, Short circuit protection, Open ciruit protection and Battery reverse protection

Product description

Product Specification ModelFT-FT-D1220 Rated current10A20A30A System Voltage12V/24V system is only designed for lead-acid batteries with auto sense function Solar PV input maximum voltage12V system<25V; 24V system<50V Battery TypeB01=Lead Acid Battery 12V/24V auto sense B02=Lithium-ion battery 3 series 3.7V=11.1V B03=Lithium-ion phosphate battery 4 series 3.2V=12.8V Charging voltageDefault*14.3V(B1) adjustable range 13.7-14.6VDefault12.6V(B2) adjustable range 11.5-12.6VDefault14.6V(B3) adjustable range 13.7-14.6V Low-voltage cut off voltageDefault*10.7V(B1) adjustable range 8-11.5VDefault9V(B2) adjustable range 8-11.5VDefault10V(B3) adjustable range 8-11.5V Low power recovery voltageDefault*12.6V(B1) adjustable range 11.5-12.6VDefault10.5V(B2) adjustable range 10-12VDefault12V(B3) adjustable range 11-13V External 12V battery recommended solar panel specifications100-150W/18V150-250W/18V200-350W/18V External 24V battery recommended solar panel specifications150-200W/36V300-400W/36V400-500W/36V Battery capacity recommended - 12V/24-80Ah12V/60-150Ah12V/100-200Ah 24V/24-80Ah24V/60-150Ah24V/100-200Ah Rated current of DC load output12A USB Output5V/2A Standby current<10mA Working temperatue -35℃~+60℃ Size / Weight 133x75x33mm/152g Mark:* tagged voltage only corresponds to 12V solar system,if user use 24V system,please multiply by 2