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ARRL's Best of The Doctor is In #0742
ISOpwr+ - Auxiliary Battery Isolator #58401-1044
Isolates and charges a 12 Volt auxiliary battery to run mobile radio and other 12 Volt portable equipment.
Ideal for mobile radio command stations for ARES, RACES, FEMA, and for a VHF/UHF Contest Rovers, moderately powered ham equipment, a re-charging station for electric model airplanes, boats and cars, and for RV's and campers.
Charging from vehicle starts when the car is running and the alternator is maintaining the car battery over 13.5 volts.
Charging from vehicle stops when the alternator is off and the car's battery has fallen below 12.6 volts.
All solid state. FET switch. No relays. Handles up to 40 amperes. Input fuse 40A.
Works safely with all types of 12-volt lead-acid batteries, Flooded Lead Acid, Gelled & AGM.
May be used without a battery to automatically turn a radio on whenever the car is running. The radio will turn off with a small delay after the car is stopped.
PWRguard output shut-off when voltage is out of range
USB port for setting operating thresholds and for monitoring
Smaller and lighter weight enclosure
Dimensions: 4.5" W x 3.4" L x .76" H
Less than 5mA
0.25V at 1A, diode drop
0.01 ohms maximum
Turn ON Threshold:
13.3 (+/- 0.1)V
Turn OFF Threshold:
12.6 (+/- 0.1)V
Indicates the ISOpwr output is ON
4.5" W x 3.4" L x .76" H
Battery Fuse & Terminal Kit
(4) Rubber Feet
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This product will be in stock on Friday 29 June, 2018.
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-FT-817ND Portable HF / 6m / VHF / UHF
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