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High Power 48V battery chargers with very low noise for
marine, display room, and trade shows
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Summary: Batteries are
not succeptable to ripple and noise, so many high power battery chargers have limitd filtering and put out 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. This line of chargers are designed to charge a battery at high power, but very
quietly.
Suggested Applications: Wherever a high power 48 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 48V battery 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.
Ideally suited for
the 48V telecommunication systems. The power supplies feature regulated and filtered outputs which allow for clean power busses
without the slightest hint of noise.
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. This is a switchmode design using frequencies beyond that of human hearing,
there is no low frequency transformer hum. The cooling fan is virtually silent.
The PST-APS-CH 48V
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.
| Summary table high power 48 volt lead acid battery chargers |
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| Model number |
Continuous Amps |
Input Voltage |
Charging Watts |
Weight |
Charge algorithm |
Dimensions |
Mounting Drawing |
AC Service Required |
Price |
PST-DLS-54-13
(54V output for taper charging 48 volt batteries) |
13A |
108-132 VAC
47-63 Hz |
702W |
7.8 lbs |
Taper |
13x6.5x3.5 inches |
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870VA |
$312.00
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PST-DLS-54-13CH
(54V peak output for charging 48 volt batteries with three stage charging) |
13A |
108-132 VAC
47-63 Hz |
702W |
7.8 lbs |
3 Stage |
13x6.5x3.5 inches |
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870VA |
$360.00
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PST-DLS-54-15
replaced by the -13 above |
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PST-DLS-54-20
(54V output for taper charging 48 volt batteries)
NO LONGER
AVAILABLE |
20A |
108-132 VAC
47-63 Hz |
1090W |
7.8 lbs |
Taper |
13x6.5x3.5 inches |
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1280VA |
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PST-DLS-54-20CH
(54V output for charging 48 volt batteries with three stage charging)
NO LONGER AVAILABLE |
20A |
108-132 VAC
47-63 Hz |
1090W |
7.8 lbs |
3 Stage |
13x6.5x3.5 inches |
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1280VA |
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PBCA1000-110-48
3 year warranty |
20A |
110VAC or 220VAC field changeable |
1090W |
12 lbs |
2 or 3 Stages user selectable |
14.5 x 9.9 x 5.5 inches |
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1606VA |
$1490
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| PST-APS-HK4 |
8 foot, 4 gauge hook-up kit with quick-release connectors |
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$64.00
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* These are designed to exceed UL requirements.
Specifications:
| Specifications |
| Parameter |
Value |
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| Battery |
48 Volt sealed lead acid, flooded lead acid, VRLA, gel, or AGM |
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| Output voltage 48 volt taper charge model |
54.4 Volts |
48VDC taper (constant voltage with current limit) charger. This charger can be left on indefinitely without
overcharging the battery, since the taper voltage is the float voltage. |
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| Output voltage 48 volt models |
59V Bulk charge phase
56.6V Absorption charge
54.2V Float charge phase |
This 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 |
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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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| 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 48 volt battery is full the charger goes into a maintanence mode. In
maintenance mode the battery is safely floated at 54.2 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 48 volt low noise battery chargers, 48V battery chargers for electric vehicles |
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12
and 24 volt lead-acid chargers
