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February 2, 2022

Industrial and grade 12V to 24 volt DC-DC battery charger 25 Amp 1250 Watt for lead acid, lithium ion or lithium iron phosphate (8 cell) batteries

More DC/DC battery chargers for lead acid, SLA, lithium ion and lithium iron phosphate batteries
More DC/DC battery chargers with 12V input
1300 watt DC/DC ccharger 12V to 24V

These robust 24V 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 24 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 24V.

These converters have common negative ground (non-isolated) and can be used for common ground and floating ground installations.
DC-DC Charger 45 amp
DC to DC battery charger
12V to 24V DC/DC converter, heavy duty
Part Number
and Price
PSEC-6929
$1375
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Country of origin USA, NAFTA eligible
Nominal Input Voltage 12VDC
Input Voltage range 11 to 16 VDC ±0.5 VDC
Max Input current at No Load <360 mA (<12mA when in "off" state)
Output voltage 24V nominal, 29.2V actual for 8 cell LiFePO4 battery
29.4V for 7 cell lithium ion
27.6V for 24V lead acid battery
(Voltage can be adjusted at the factory or other battery types)
Input current at full load 125 Amps
Max Output Current(s) 45 Amps
Max Output Power (continuous) 1305W
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 >89 % at rated power and 13.2V input
Load Regulation < 60mV
Switching frequency kHz
Output ripple noise < 50 mV rms
Isolation Input and output grounds are common
Remote power on/off Yes, through 12V terminal on control block, may be connected to a 12V ignition switch
Ingress rating Internally encapsulated
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, 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 8.5 kg (18 lbs)
Audible Noise None
Warranty 2 years limited warranty for parts and labor


PSEC-6929 drawing:


drawing of the 850W DC converter showing dimensions

PSEC-649HS drawing

:

OEM Battery Chargers Heavy Duty, High Current Switchmode 12VDC/ 24VDC charging converters.

Universal Power Input OEM Power Supplies and OEM Battery Chargers Wide input voltage range suitable for 12 Volt, and 14 Volt systems.


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