Synocean

13.8V/27.6V DC Fanless Switching Mode Battery Charger

Series	Model No.	Output Watts	Input Voltage	Max Inrush current	Frequency
AC	STC-X70	173 Watts	110/220V AC	80A/40A@220V AC/ 110V AC	47~63 Hz
AC	STC-X80	173 Watts	110/220V AC	80A/40A@220V AC/ 110V AC	47~63 Hz

ENVIRONMENTAL CONDITIONS:

● Cooling:

Natural convection

● Temperature sensor:

85°/95°/105° Celsius

● Operating Temperature:

0°C ~ +50°C Full Load

● Operating Humidity:

20% ~ 85% RH. (Non condensing)

● Storage Temperature:

-20°C ~ +80°C

● Storage Humidity:

10% ~ 90% RH. (Non condensing)

● Operating Altitude:

Sea level to Above Sea level 4000M

DC OUTPUT CHARACTERISTICS:

Model No.	STC-X70	STC-X80
Output system voltage (VDC)	12~14.8	27.6
Maximum load (Amps) (Constant current)	12.5	6.25
Minimum load (Amps)	0.2	0.2
Ripple/Noise (mV)	140	290
Line regulation	±1%	±1%
Load regulation	±3%	±3%
Maximim output not exceed	173W	173W

OVERALL PERFORMANCE:

● Efficiency:

80% typical @110/230V AC Full Load

● Short Circuit Protection (SCP):

All output equipped with SCP (shutdown and latch off)

● Over Power Protection (OPP):

Peak power protected to 130~150% of continuous rated power (shutdown and latch off)

● Over Voltage Protection (OVP):

+12V@ 15.6~16.8V DC/ +24V@ 31.2~33.6V DC

● Auto off charger protection:

When the battery full load, the charger will not load to battery

RELIABILITY:

● MTBF:

75 000 hours @Max.Load, 110/220V AC @25°C

● Safety Standards:

Meet IEC 60950-1, EN 60950-1

● Safety Approved:

● EMI Compatibility Standard:

EN 55032:2015/AC:2016, CISPR 32:2015, EN 61000-3-2:2014, EN 61000-3-3:2013, EN 55024:2010 +A1:2015

ISOLATION:

● Transformer Isolation:

INPUT and OUTPUT are isolated by transformers and optical couplers

● Dielectric Withstand:

INPUT to OUTPUT: 1500V AC for 60 seconds

● Dielectric Withstand:

INPUT to frame GROUND: 1500V AC for 60 seconds

● Leakage Current:

<0.005μA @ 264V AC

Auto shutdown Temperature sensor protection:

● Temperature sensor:

95 degree Celsius, auto recovery

Output Device Connector Specific:

● Output Connector:

One set Red and Black 10AWG UL 1007 with Y type connector

Standard Output Cable Length From Chassis:
● 200 mm / 7.87 Inches

Power Chassis Dimension:
● 180(L) x 110(W) x 71(H) mm / 7.087(L) x 43.30(W) x 27.95(H) Inches

Net Weight:
● 1.4 kgm / 3.086 Lbs

Gross Weight:
● 1.6 kgs / 3.526 Lbs

Packing Detail:
● 8 pcs and 12pcs optional

Measurement of Carton:
● 0.0425 m³ / 1.5 Cuft

SPECIFICATIONS:

DOWNLOAD_specification_charger_STC-X70-X80.pdf

DOWNLOAD_drawing_STC-X70D-20250711.pdf

Dealer: Synoceantech

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