NP-FG1 Battery Technical Details:

Dimensions - Width 1-7/16 x Height 11/32 x Depth 1-11/16 (35.5x8.3x41.6mm)
Weight - 1 ounce (27 grams)

NP-FG1 Battery Product Description From Amazon.com:

Stay powered up for a long time. This Sony infoLITHIUM camera battery pack NP-FG1 conveniently shows you how much time is remaining until you need to recharge.There's no need to feel powerless again when you carry an extra Sony InfoLITHIUM battery pack NP-FG1 for your camera. Only genuine InfoLITHIUM batteries reliably show you exactly how many minutes of power are left, so you'll never have to worry about unexpectedly running out of charge.

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