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March 16, 2022

Industrial and grade 12V to 48 volt DC-DC battery charger 25 Amp 1250 Watt. Lead acid, lithium-ion and lithium iron phosphate

More DC/DC battery chargers for lead acid, SLA, lithium ion and lithium iron phosphate batteries
More DC/DC battery chargers
1250 watt DC/DC converter 12V to 48V

These robust DC input battery chargers have a wide operating temperature range, and use a DIN terminal block for input and output connections. The wide input voltage range allows use in 12V vehicle systems, and designed to allow the use of 48 volt equipment in 12 volt, vehicles, marine, military, PLC, and cell tower applications. These are attractive, reliable, robust DC/DC chargers good for fork lifts, off-road, construction and recreational equipment. They are relatively immune to vibration and shock.

To determine the output amps you need just add up the watts of all the equipment and divide by 48V.

These converters have common negative ground (non-isolated) and can be used for common ground and floating ground installations.
DC-DC Converters 25 amp
DC to DC battery charger
24V to 48V DC/DC converter, heavy duty
Part Number
and Price
PSEC-6958
$1375
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Country of origin USA, NAFTA eligible
Nominal Input Voltage 12VDC
Input Voltage range 11 to 16 VDC
Max Input current at No Load <360 mA (<12mA when remote is "off")
Output voltage 48V nominal, 55.2V actual
Input current at full load 130 Amps
Output voltage adjustment by removing the front plate 54.2VDC to 52.8 VDC
May be programmed to charge lead acid, lithium iron phosphate, and lithium ion batteries
Max Output Current(s) 25 Amps
Max Output Power (continuous) 1250W
Output current limit? Voltage reduction at current limit
Operating Temperature Range at 100% load -40°C to +50°C
Note: lithium batteries cannot safely be charged below zero degrees C
Temperature derating Derate 1.5% per degree C over 40°C up to 60°C
Temperature shutdown Over temperature shutdown, auto reset
Operating humidity 0-95% non condensing
Altitude <6000 meters
Efficiency >92 % at rated power
Load Regulation <60mV
Switching frequency kHz
Output ripple noise <50 mV rms
Isolation Fully isolated between input and output 2500VAC rms
Housing to input >1800VAC
Housing to output >1800VAC
Remote power on/off Yes, through 12V terminal on control block, may be connected to a 12V ignition switch
Remote voltage sense Yes. through two sense wires on the connector
Ingress rating IP676, (dust tight, immersion up to 1 meter depth, 1 Joule mechanical impact energy)
Connections DIN style terminal block
Protection Low input voltage < 10.5 +/-0.3 VDC (adjustable up to 13VDC)
High input voltage >17.0 +/- 1.0 VDC
Over temperature by internal thermostat, self resetting
Input reverse polarity by circuit breaker
Cooling Through convection and the baseplate
Indicators Two lights indicate Unit on, High charge, Float charge, Undervoltage lockout, and Short circuit protected
Dimensions 17.8 x 6.9 x 3.6 inches
45 x 18 x 9 cm
Drawings See below
Weight 8.2 kg (18 lbs)
Audible Noise None
Warranty 2 years limited warranty for parts and labor


PSEC-749HS drawing:


drawing of the 850W DC converter showing dimensions

PSEC-649HS drawing

:

OEM Battery Chargers Heavy Duty, High Current Switchmode 12VDC/ 48VDC Converters.

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