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High Power 24V battery chargers with very low
noise for marine, display room, and trade shows |
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Custom design and manufacture of
state-of-the-art battery chargers, UPS, and power supplies for OEMs in a hurry!
Summary: Most high power battery
chargers have significant 60 or 120 Hz ripple and noise. Others used pulse charging technology.
This causes havoc with systems such as audio systems that would like a nice, clean voltage.
These chargers are designed to charge a battery at high power, but very
quietly.
Suggested Applications: Wherever a high power 24 volt battery charger is
used, for example in in Audio Displays, Demo & Show Vehicles Marine & Recreational
Vehicles; Battery maintenance & storage, Retail Store Displays, Industrial Applications,
Communications (available in 12V, 36V and 48V output).
 These chargers are the famous
APS power supply with a 24 Volt charging circuit built-in. This charge controller allows the
APS Power Supply to operate as an automatic 3-stage “smart charger.” This gives a
sophisticated charger with Bulk, Absorption, and Float stage charging, increasing the charging
capacity of the APS Power Supply to decrease charge times, insuring proper and safe battery
charging and eliminating over-charge. This “intelligent” technology monitors the
battery at all times.
These AC input switchmode chargers are ideally suited for the mobile environment.
These power supplies feature regulated and filtered outputs which allow for clean audio
demonstrations without the slightest hint of noise.
Their low profile design allows for convenient mounting under a display vehicle or
behind a display board. When combined with a high quality battery, APS units can supply
transient surges up to 1000 amps.
In maintenance mode the charger is left connected to the battery. If the voltage
remains in the long term stage for more than seven days, the charge controller will
automatically deliver a boost charge for a short time, then automatically return to the normal
float stage to prevent sulfation.
Virtually Silent Operation.
All PST-APS-CH chargers utilize an advanced switching design. There is no low frequency
transformer hum. Every unit is equipped with a cooling fan that is virtually silent.
The PST-APS-CH 24V battery chargers all feature thermal control circuitry that
engages the fan only when internal temperatures require it (typically 75% of full load). They
have small compact sizes compared to the transformer based power chargers. The switch mode
technology utilized in APS power chargers has 86% efficiency. This superior design results in
cooler operating temperatures and compact size.
These 24 Volt chargers were originally designed to power automobile audio systems
in demonstration rooms and trade shows. They have very low ripple and no audio noise. Other
output voltages can be made upon request.
| Summary table
high power 24 volt (27 volt) lead acid battery chargers |
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| Model number |
Continuous Amps |
Input Voltage |
Watts |
Weight |
Charge algorithm |
Dimensions |
Mounting Drawing |
AC Service Required |
Price |
| PST-DLS-27-CH15 |
15A |
108-132 VAC
47-63 Hz
7 Amps max |
400W |
5.5 lbs |
3 Stage |
10.5x6.5x3.4 inches |
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805VA |
$255.00
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| PST-DLS-27-CH25 |
25A |
108-132 VAC
47-63 Hz
12 Amps max |
675W |
6.5 lbs |
3 Stage |
10.5x6.5x3.4 inches |
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1380VA |
$360.00
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| PST-DLS-27-CH40 |
40A |
108-132 VAC
47-63 Hz
20 Amps max |
1100W |
7.8 lbs |
3 Stage |
13x6.5x3.5 inches |
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2300VA |
$605.00
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| PST-DLS-27-CH40-220 |
40A |
216-264 VAC |
1100W |
7.8 lbs |
3 Stage |
13x6.5x3.5 inches |
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2300VA |
645.00
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| PST-APS-HK4 |
4 gauge hook-up kit with quick-release connectors |
8 foot cables |
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$64.00
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* These are designed to exceed UL requirements.
Specifications:
| Specifications |
| Parameter |
Value |
Notes |
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| Battery |
24 Volt sealed lead acid, flooded lead acid, VRLA, gel, or AGM |
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| Output voltage |
29.5V Bulk charge phase
28.3V Absorption charge
27.1V Float charge phase |
This 24V charger can be left on indefinitely without overcharging the battery. The
float charge phase keeps the battery maintained to prevent sulfation. |
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| Output voltage tolerance |
±0.7% |
no load |
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| Maximum ripple and noise |
100 mV RMS |
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| Input voltage rage |
108-132 VAC (220V models 216-264VAC) |
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| Input frequency |
47-63Hz |
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| Typical efficiency |
>80% |
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| Short circuit protection |
Yes |
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| Overload protection |
Yes |
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| Line regulation |
<1% |
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| Load regulation |
<1% |
at output terminals |
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| Recommended output wire gauge |
4 AWG |
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| Input cable |
30 inches long |
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| Output terminals |
4 AWG screw terminals |
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| Fan control |
Proportional-- |
Fan only comes on when needed |
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| Fan type |
Special ultra low audio noise fan |
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| Over temperature protection |
80°C |
Turns off |
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| Ambient temperature |
0°C to 40°C |
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| Storage temperature |
-20°C to 80°C |
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| Warranty |
2 Years |
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Usage Note: Typical AC outlets are 1540VA, 14 amp service. To run the
higher power units you will need higher power service than is typically available in a wall
plug. Please consult competent technical authorities to determine the total load on the circuit
you intend to supply the power with, including other things plugged into the same
circuit.
Maintenance mode: After the 24VDC battery is full, the charger goes into
a maintanence mode. In maintenance mode the battery is safely floated at 27.1 volts to maintain
the battery and replace charge lost due to leakage or self discharge. In addition, if the
battery has not received a bulk charge during a seven-day period, the charge controller will
switch the APS Power Supply into a pre-programmed equalization stage to top off the batteries,
dissolving any sulfate layer on the battery’s plates and avoiding stratification of
flooded batteries.
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PowerStream Technologies: 1163 S.
1680 West. Orem Utah 84058
Phone: 801-764-9060
Fax: 801-764-9061
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© Copyright 2000, 2002, 2003, 2005, 2006, 2007, 2009,
2010, 2011 Lund Instrument Engineering, Inc. All rights reserved |
High power 24 volt low noise battery chargers, twenty four volt battery charger, high
power 24V battery charger |
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More lead acid battery chargers 6V, 12V, 18V, 36V, 42V, 48V
