Portable Emergency AA Battery Charger Extender for the Garmin Nuvi 260W 260 - with Gomadic Brand Tip

• Built using the unique Gomadic TipExchange Technology that protects your investment by providing the ability to upgrade charging ports by simply swapping physical connectors.
• Specification: Input Voltage (4 X AA Batteries), Cable length (6 inches), Dimensions (5.0 X 1.5 X 0.75 inches), Circuit Design (Garmin Nuvi 260W 260 specific), TipExchange enabled (Yes)
• Integrated circuitry regulates output voltage specific to the Garmin Nuvi 260W 260. Advanced logic maximizes overall charger efficiency.
• Internal circuit designed to protect your Garmin Nuvi 260W 260 from power surges, overcharging and short circuiting.
• This Gomadic Battery Pack is uniquely designed to work with both standard (e.g. alkaline) and/or rechargeable AA batteries.

I purchased the battery charge extender to power my Garmin Nuvi 260W while riding my bike. I wanted to use rechargeable NiMH batteries in the extender. When I tried the NiMH batteries, it would not power the GPS. I tried normal alkaline batteries and they seemed to work at least initially. I haven't tried it on the bike yet for an extended amount of time.

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