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Solar Battery Maintainer and charger for 12V, 18V and 24V batteries |
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This system maintains fleet vehicle batteries and prevents sulfation when
they sit idle. It will replace self-discharge as well as clock-radio, keyless lock, and other continuous power drains on the
battery. The solar battery keeper can be roof or dashboard-mounted and is available in 2 watts and 5 watts. Higher wattage
systems are available on request.
This PowerStream-designed circuit uses energy harvesting techniques, so it can
continue to charge the battery even under low light conditions. Ordinary solar panels without energy harvesting can only charge
the battery when the solar illumination is intense enough to keep the panel above 13 volts. This makes the smaller 2 watt panel
equivalent to a much bigger panel. It also prevents the battery from being over-charged.
Thousands of these 2-watt
systems are being used in federal government installations to keep vehicles that are held in reserve ready for service without
having to have someone start and idle them on a regular basis. This results in enough savings to result in a 6 month payback
time.
- Pulsed charging algorithm can dissolve sulfates.
- LED flashes to show operation.
- Can extract useful power from the solar panel even at low sun angles.
- Electronic Overcharge Protection & back current blocking to PV panel.
- Can be used for lead acid batteries between 6 and 28 volts, including 6V, 8V, 12V, 16V, 18V, 24V
and 28V battery systems.
- Suitable for cars, buses, airplanes, motorcycles, boats, tractors, sail boats, motor homes and
ATVs.
- 100% made in the USA, which makes export to Canada and Mexico easy.
| Model |
Price 1-9 |
10-99 |
100+ |
| PST-SC02 |
$86.00
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$71.35
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$65.64
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| PST-SC05 |
$156.00
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$129.74
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$119.36
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PST-SC02 |
PST-SC05 |
| Lead Acid Battery Nominal Voltage |
6VDC, 12 VDC, 18VDC, 24VDC, and 28VDC |
| Continuous charge power maximum |
2 Watts |
5 Watts |
| Electronic Blocking of solar panel from battery |
Yes |
| Battery Reverse Polarity Protection |
Yes |
Battery status LED indication
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Red LED shows operation, will flash at low rate at low insolation. |
| Solar Panel Size (approximate) |
8.25 x 5.5 x 0.25 inches
21 x 14 x 0.6 cm |
12.75 x 7.25 x 1.125 inches
32 x 18 x 2.9 cm |
Cable Included Wire Size
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18 inch wire for under-hood mounting, 17 foot cable to the solar panel
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Regulator/controller Weight
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100 grams |
100 grams |
| Dimension |
50(W) x 50(D) x 12(H) mm for control module |
Operating Ambient Temperature for charge controller
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-10 to 50 °C
-14 to 122 °F |
| It is not really realistic to expect a 2 watt
(or 5 watt) solar panel to do much charging of a big battery that has been discharged, but it will keep a charged battery
topped-off and keep it from getting sulfated. |
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| 5 Watt Panel Front |
5 Watt Panel Back |
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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 Lund Instrument
Engineering, Inc. All rights reserved This material is copyrighted original work. It is forbidden to use this
information, text, or graphics in full or in part on another web site without written permission. |
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