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February 2, 2022

Industrial and grade 24V to 48 volt DC-DC battery charger 25 Amp 1250 Watt for lead acid, lithium iron phosphate (16 cell) or lithium ion (14 cell)

More DC/DC battery chargers for lead acid, SLA, lithium ion and lithium iron phosphate batteries
More DC/DC battery chargers with 24V input
1250 watt DC/DC converter 24V 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 24V vehicle systems, and designed to allow the use of 48 volt equipment in 24 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-7058
$1375
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Country of origin USA, NAFTA eligible
Nominal Input Voltage 24VDC
Input Voltage range 22 to 32 VDC
Max Input current at No Load <360 mA (<12mA when remote is "off")
Output voltage 48V nominal, 55.2V actual for lead acid
58.4 for lithium iron phosphate 16 cell
58.8 for lithium ion 14 cell
may be programmed at the factory for other cell counts and chemistries
Input current at full load 70 Amps
Max Output Current(s) 25 Amps
Max Output Power (continuous) 1500W resistive load
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
Remote power on/off Yes, through 24V terminal on control block, may be connected to a 24V ignition switch
Remote voltage sense Yes. through two sense wires on the connector
Connections DIN style terminal block
Protection Low input voltage < 21.5 +/-0.3 VDC, resets at 23.5V
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, Under voltage 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-7058 drawing:


drawing of the 850W DC converter showing dimensions

PSEC-649HS drawing

:

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