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A Super PWRgate is a 12 volt backup power system that can supply up to 40 amperes continuously from either a Power Supply or a Battery, and can also charge the battery with its high performance charger. |
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Connected equipment will instantly switch to battery during a power blackout or power supply failure. No glitches. |
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The circuit uses two 80 ampere Schottky diodes as an OR-Gate to isolate the battery and power supply from each other. Forward voltage drop of less than 0.3 volts at 20 A. |
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To keep the battery fully charged and ready for use, the Super PWRgate has a built-in four-stage battery charger with selectable current rates of 1, 4, 7 or 10 amperes. |
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The circuit is optimized for use with GELLED & AGM type batteries, but will keep flooded lead acid and marine type batteries near full charge as well. |
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The Super PWRgate and the power supply may also be used to charge a battery that is powering the radio, as described by W1ZR in QST. |
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| Specifications |
| Maximum Voltage : |
18 Volts DC |
| Maximum Current : |
40 Amperes |
| Circuit : |
Diode OR-Gate |
| Diodes : |
Two Schottky 80 Ampere, 20 Volt |
| Voltage Drop : |
0.25 Vdc at 1 Ampere
0.5 Vdc at 40 Ampere |
| Charging Circuit : |
Charging regulator IC
Field Effect Pass Transistor
Schottky Diode
Fuse switched for 1,4,7 or 10 Amperes (±5%) maximum
Peak voltage limit: 13.8 (Gelled), 14.2 (AGM),(±2%)
Peak voltage limit set via internal jumper to GELLED or AGM
Peak voltage terminate point: 0.1 Maximum current
Float Voltage: 13.5 volts (±2%)
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| LEDs : |
Green - Indicates charger is "ON"
Red - Indicates peak "PK" charge voltage
Yellow - Indicates Float "FL" voltage |
| Connectors : |
Anderson Powerpoles, 40A |
| Size : |
5.25 x 3.90 x 1.65 in, 13.4 x 9.9 x 4.2 cm |
| Weight : |
0.9 lbs, 0.4 kg |
| Mounting Holes : |
Two, 0.175 in. d, at a distance 4.875 in., for #8 hardware |
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