The problem with these vehicles is that a battery cable connector can fail and cause the engines to stall.

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Canon opted to use microSD cards here, due to the camera's small size, along with a rechargeable battery that can be replenished through the USB connector -- a new Eco mode will enable an up to 30-percent boost in battery life, with the display powering down after eight seconds, then waking up when the built-in gyro sensor detects movement.

ENGADGET

The IRISNotes Executive 2 has an executive style finish and comes with rechargeable battery, leather carrying pouch and 30-pin connector to share notes directly to your iPad, iPhone or iPod touch.

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The smallest one, the Reserve, is a 700 milliamp battery that fits on a keychain and hides its 30-pin connector under a flip cap reminiscent of a Zippo lighter.

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The bags have a battery built in, along with a complete charging system: Apple connector, Micro- and Mini-USB connectors and an on-board USB port for charging up to 4 devices at once.

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