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MFJ-4416B MFJ MFJ4416B
[MFJ4416B]

$139.95
Free Shipping on MFJ4416B
Free shipping to USA Only

SUPER BATTERY BOOSTER

This item is currently out of stock.

View the manufactures page for MFJ4416B
View the eham review page for MFJ4416B

Today's compact 100-watt HF transceivers are designed to operate from about 12-16 volts, with output signal distortion, output power problems, and transceiver reset often occurring when voltage drops below 12 volts.

In the mobile environment, low voltage is caused in two ways: First - even low resistance DC wiring can result in a noticeable voltage drop. For a 100-watt transceiver with a 20-amp typical current requirement, just 1/10th of an ohm
resistance in your DC cable and connectors results in a 2-volt drop! And second - when you turn your car off, the battery voltage drops from around 13.8 volts to clost to 12 volts after a short period of time. Couple this with any voltage
drop in the cables, and you have a problem.

The MFJ-4416B Super Battery Booster eliminates low voltage problems by boosting input voltages as low as 9 volts up to the desired 13.8 volts at up to 25 amps peak with a typical efficiency of close to 90%.

It is compact at just 7-3/4"W x 4"H x 2-1/8"D and lightweight at 1.3 pounds. And the MFJ-4416B Super Battery Booster is designed to be rugged, reliable, and easy to use.

MFJ-4416B includes Anderson PowerPole connectors and high-current 5-way binding posts for both the DC input and regulated output. An internal 30-amp input fuse protects the unit from excess output current demands.

There are also selectable limits on the minimum voltage that the unit will accept: 9-volts, 10-volts(default), and 11-volts. This protects you from over-discharging a battery and possibly damaging it. MFJ-4416B also includes output over-
voltage crow-bar protection should regulation be lost.

Two additional features offer ways to increase efficiency even more! First, there is an RF sampling port which can be connected to your transceiver's transmission line with a T connector. When this feature is enabled, the MFJ4416B is
bypassed unless RF is sensed so no regulator switching efficiency penalties are incurred during receive.

The second efficiency enhancement feature is a user-adjustable output voltage control which lets you set the output voltage anywhere between 12 and 13.8 volts.

When setting the output at 12-volts, input voltages greater than 12V will pass through, but the efficiency of the regulator is higher. And lower input voltage means your transceiver will run cooler!

Typically save over 30 watts in heat dissipation during transmit, and even 3-4 watts during receive. So it can actually be good to let the voltage sag to 12V, then let the MFJ-4416B protect you from lower voltages.

Optional Accessories

MFJ MFJ11C066-PAIR PACK OF ANDERSON POWERPOLE CONNECTORS $ 6.95Buy MFJ11C06
MFJ 2 MFJ11C1212-PAIR PACK OF ANDERSON POWERPOLE CONNECTORS $ 13.95Buy MFJ11C12
MFJ MFJ11C2525-PAIR PACK OF ANDERSON POWERPOLE CONNECTORS $ 24.95Buy MFJ11C25
MFJ MFJ4416BRCBATTERY BOOSTER REMOTE CONTROL $ 69.95Buy MFJ4416BRC
MFJ MFJ7602CRIMPING TOOL FOR ANDERSON POWERPOLE CONNECTORS $ 15.95Buy MFJ7602
SUPER BATTERY BOOSTER MFJ-4416B MISC ANYTHING THAT DOES NOT FIT IN ANY CATEGORY MISC
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