hot product AD-55A 13.8V 55W UPS power supply with battery charger for backup
55W Single Output with Battery Charger (UPS Function)        AD-55 series 
Features:
Universal AC input / Full range
Protections: Short circuit / Overload / Over voltage
Battery low protections
Cooling by free air convection
100% full load burn-in test
Fixed switching frequency at 45 KHz
2 years warranty

SPECIFICATION
MODEL	AD-55A		AD-55B
OUTPUT
Output number	CH1	CH2	CH1	CH2
DC voltage	13.8V	13.4V	27.6V(24V)	26.5V(24V)
Rated Current	3.5A	0.23A	1.8A	0.16A
Current Range	0~4A	--------	0~2A	--------
Rated Power	51.38W		53.92W
Ripple & Noise	100mVp-p	--------	100mVp-p	--------
Voltage Adj. Range	CH1:12~14.5V		CH1:24~29V
Voltage Tolerance	±1.0%	--------	±1.0%	--------
Line Regulation	±0.5%	--------	±0.5%	--------
Load Regulation	±0.5%	--------	±0.5%	--------
Setup, Rise Time	800ms,50ms/230VAC   1600ms,50ms/115VAC at full load
Hold Up Time	80ms/230VAC    16ms/115VAC at full load
INPUT
Voltage Range	88~264VAC   47~63Hz; 124~370VDC
AC Current	1.6A/115VAC   1A/230VAC
Efficiency	71%		74%
Inrush Current	Cold start 20A/115VAC   40A/230VAC
Leakage Current	<1mA /240VAC
PROTECTION
Over Load	105~150% rated output power
	Protection type: AC Charging Mode: Hiccup mode, recovers automatically after fault condition is removed UPS Mode: Protected by internal fuse
Over Voltage	CH1:15.87~18.63V		CH1:31.74~37.26V
	Protection type: Hiccup mode,recovers automatically after fault condition is removed
Battery Low	9.5~11V		20~22V
ENVIRONMENT
Working Temp.	-10~+60ºC (Refer to ''Derating Curve'')
Working Humidity	20~90%RH non-condensing
Storage Temp., Humidity	-20~+85ºC,10~95%RH
Temp. Coefficient	±0.03%/ ºC(0~50ºC )on CH1 output
Vibration	10~500Hz,2G10min./1cycle,60min.each along X, Y,Z axes
SAFETY &EMC
Safety Standards	UL60950-1, TUV EN60950-1 approved
Withstand Voltage	I/P-O/P:3KVAC   I/P-FG:1.5KVAC   O/P-FG:0.5KVAC
Isolation Resistance	I/P-O/P,I/P-FG,O/P-FG:100M Ohms/500VDC /25ºC /70%RH
EMC Emission	Compliance to EN55022(CISPR22) Class B, EN61000-3-2,-3
EMC Immunity	Compliance to EN61000-4-2,3,4,5,6,8,11,EN55024,light industry level, criteria A
OTHERS
Dimension	159*97*38mm(L*W*H)
Weight	0.5Kg
Packing	24pcs/12.60Kg/0.75CUFT