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edodio 3.2K Views
Sep 9, 2026 3:09 AM

Garmin Varia eRTL615, Cycling Rearview Radar and Tail Light $129.95

$130

$300

56% off
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Finally a good deal on the ebike version of the Garmin Varia radar. This is same as RTL515, but without a battery, designed to be connected to an ebike onboard battery. I am planning to use with a USB power bank on a regular bike, with the front light and a horn connected to that bank as well, so I only have one battery to recharge instead of all of the individual devices.

https://www.amazon.com/Garmin-eRT...B0BZ62DZ1T
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Finally a good deal on the ebike version of the Garmin Varia radar. This is same as RTL515, but without a battery, designed to be connected to an ebike onboard battery. I am planning to use with a USB power bank on a regular bike, with the front light and a horn connected to that bank as well, so I only have one battery to recharge instead of all of the individual devices.

https://www.amazon.com/Garmin-eRT...B0BZ62DZ1T

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Sep 9, 2026 12:11 PM
9 Comments
Joined Nov 2013
zehnnSep 9, 2026 12:11 PM
9 Comments
Cable is proprietary. Not included, and the OEM version for OP's use case is $30 https://www.garmin.com/en-US/p/12...-13331-00/
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Sep 9, 2026 1:53 PM
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Joined Jun 2012
jeff34270
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This user is an Expert in Home & Home Improvement
Sep 9, 2026 1:53 PM
18.6K Comments
For $20 more I think I'd go with the 515 that has its own battery. I get the convenience of being able to plug it into your ebike, but the self contained one can be used on multiple bikes.
Sep 9, 2026 2:04 PM
1.1K Comments
Joined Nov 2011
maxblockmSep 9, 2026 2:04 PM
1.1K Comments
Quote from zehnn View quoted comment :
Cable is proprietary. Not included, and the OEM version for OP's use case is $30 https://www.garmin.com/en-US/p/12...-13331-00/
fruck them for not making it usb C.
Original Poster
Yesterday 12:34 PM
6 Comments
Joined Oct 2019
edodio
Original Poster
Yesterday 12:34 PM
6 Comments
Quote from maxblockm View quoted comment :
fruck them for not making it usb C.
There is a USB-C version of the adapter cable now as well: https://www.garmin.com/en-US/p/12...-13331-00/ - Part Number:010-13331-00
1
Yesterday 12:37 PM
1.1K Comments
Joined Nov 2011
maxblockmYesterday 12:37 PM
1.1K Comments
Quote from edodio View quoted comment :
There is a USB-C version of the adapter cable now as well: https://www.garmin.com/en-US/p/12...-13331-00/ - Part Number:010-13331-00
That's the same proprietary cable.

The point is they gave the device a proprietary port requiring a cable to convert it to C, instead of just putting a USB C port directly on the device.
Today 2:28 PM
881 Comments
Joined Mar 2008
jefflinsToday 2:28 PM
881 Comments
How does the cable not come with this? Its like buying a car but oh...you want the keys? That's extra.

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