sine wave inverter 1. transfer efficiency 90%. 2. pure sine wave 3. battery charging

Pure Sine wave inverter battery charger series
Features:
Advanced performance by CPU control
Auto voltage regulation(AVR),wide input voltage 145V~275V,accurate output,AVR function,adapt all kinds lf bad electric environments
Intelligent battery charging, the charging current can be adjusted according to the equipped battery, it is fast and reliable and can increase the service life of the battery
Intelligence display of output voltage,frequency,battery capacity,fault,over load,load
User can use the program of RS232 or USB communication′s software to setting timing auto shut down
Generator compatibly and external battery connection achievable
Adapt all kinds lf bad electric environments
It can be automatically started up with mains supply, and has a wider range of applications
Advanced automatic constant charging circuit,prolongs battery life
It has perfect battery under-voltage, overload, over-discharge, short-circuit protections
Technical specification
Model HF-NB		14248	21248	28248	35248
Rated power		1400W	2100W	2800W	3500W
Battery		24VDC/36VDC/48VDC		48VDC/96VDC
Size(W×D×H)mm		405×180×323		433×225×365
Shipping size(W×D×H)mm		480×265×410		493×285×425
Net weight(kg)		17	20	28	31
Gross weight (kg)		18	21	29	32
Universal parameter
Input	Voltage	145V~275V
	Frequency	45Hz~65Hz
Output	Voltage	220V±2%(Battery mode)
	Frequency	50Hz±0.5%
Output wave from		Sine wave
Output wavefrom distortion		≤±0.3%
Charging		5A-15A(Adjustable)
Display		LED,LCD(Optional)
Transfer time		<4ms
Surrounding	Noise	≤50dB
	Temperature	0°C~40°C
	Humidity	10%~90%(no condensate)
Efficiency		≥80%
Protection	Overload	Overload110%,30seconds automatic closed-down;Overload120%,2seconds automatic closed-down;city electric mode overload not closed-down,the buzzer sends out alarm sound
	Short-circuit	Output short-circuit, a buzzer ringing, 20 seconds after the automatic closed-down
	Battery	Battery high-voltage and low-voltage protections
	Reverse polarity	Battery reverse polqrity protections
Alarm sound	A	When the city electricity when in normal work,the maching without alarm,when the utility power failure,the machine is in the working state of the battery,a buzzer 30 seconds each tweet 4
	B	Battery low voltage alarm buzzer two times per second,a call.Battery mode,the maching fails,the buzzeris urgeng
	C	Overload buzzer,tweet once per second
Remark	Specification only for reference.Subject to change prior notice

sine wave inverter with battery charger 3500W