Powerful Garmin Nuvi 750 Lithium Polymer Rechargeable Gomadic Brand Battery Pack - High Capacity Por

• Integrated circuitry tailors output voltage and charging current to exact specification of the Garmin Nuvi 750 (accurate to 0.1v).
• Specification: Internal Battery (3400mAh lithium polymer), Input port (miniUSB), Output Port (Standard USB), Onboard Circuit Design (Garmin Nuvi 750 Specific), Dimensions (4.0 X 2.0 X 0.5 inches), TipExchange enabled (Yes)
• Very easy to operate. Simply connect Garmin Nuvi 750, press activation button on pack, and charging begins. Quick start guide included.
• Charging kit includes: Rechargeable Lithium Battery Pack, Coiled input/output cable (expandable to 24"), Garmin Nuvi 750 Charging Connection, and Battery Pack input connection.
• Continue to use your Garmin Nuvi 750 for hours OR recharge it on the go without being tethered to a wall outlet

Although the SB-2106 Portable Power Supplier works, it has a very annoying flaw important to my intended use. The connectors provided for the power pack work but when using the power supply to my Garmin GPS, the design of the connectors proves to be very poor. I use the Garmin on a road bike and the multiple connectors and the spool and the plug and the power supply are bad because they are so cumbersome.

The two connectors required by your power supply plug into the Garmin stick out of the bottom in a very awkward way ( NOTE: the photo in you advertisement don't depict the two necessary connectors, the photo shows just a wire coming out of the Garmin). It would all work fine if it was just sitting on a table, but on a bike or in any portable use, it's a mess. It's just a matter of time before the multiple plugs get broken when hooked together into the GPS.

So, if you want to use this power supply on a bike, you will need to build a cable to attach it. A simple short cable, Garmin to Gomadic power supply is needed. I know, this was done for flexibility, but in the end it's not good for portable use.

I wouldn't recommend your device for cyclist use because of this connector design.

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