Garmin Alkaline Battery Pack for Rino 520 and Rino 530 (010-10571-00)

• Compatible with Rino 520 and Rino 530 GPS units
• Replaces the lithium ion battery pack that comes with the unit
• Powers up to 18 hours via two-watts TX power

The alkaline battery pack is a must have for the Rino if you're without power to recharge the main battery. The battery pack takes 4 AA batteries and lasts for several hours. With moderate use, it will last a 2-3 days. It does add a little bulk versus the main battery, and it reduces the radio range to 2W (which made me drop one star), but an excellent insurance policy if you're miles from nowhere. I used it in the arctic with no problems.

Buy Garmin Alkaline Battery Pack for Rino 520 and Rino 530 (010-10571-00) Now

This adapter uses normal AA batteries to run the garmin 530, which uses 2 Li-Ion cells at about 7.5-8.0 volts to transmit. With 4 rechargable AA cells, you get about 5-6 VDC. That loss in voltage translates to a loss in transmit power you are confined to the 2W setting while this is installed.

Skip down a few products and you will find the original battery that came with your garmin 5xx series radio 2 Li-Ion hi capacity cells with about a day's runtime. Best part is you get the full 5W transmit when you really need it.

A good formula for transmit distance is 2x watts = miles (and that's it)

2W = 4 miles

5W = 10 miles

(I know they say 12 miles, but that is under ideal conditions, believe me 10 miles is doing really good for a 5W radio with built in antenna)

Now, knowing this if you're way out there and calling for help do you want 2Watts or 5Watts when you press the PTT button? The small difference in price now could be substantial gain later.

Read Best Reviews of Garmin Alkaline Battery Pack for Rino 520 and Rino 530 (010-10571-00) Here

This is a must have for Rino 530 users that are away from power for extended periods. No need to worry about having your rechargeable pack die on you on a back-packing trip or long excursion. Just bring a pack of batteries.

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This is a great accessory and an alternative to the high priced original battery for general hiking and hunting use. My friends and I use the 500 series of Rinos for hunting, so we usually run the radio at 1/2 watt because we are generally within 1 mile of each other. In this mode the lithium batter will last for days, but the AA pack is there if you really need it. It also provides a nice way to carry backup batteries for other AA items like headlamps or cameras. If you are really worried about having access to 5W of power in an emergency, you could use the AA pack as your main battery and "save" the original for emergencies. If you're using this for mountaineering where you want to be in contact with a base camp several miles away, a spare original battery or two would be better choice.

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Great backup for the stock rechargeable battery. I keep this loaded with fresh batteries in my pack as a backup. Just in case I run out of charge in the stock rechargeable.

Must have! It has saved my but a few times.