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We've heard rumors that the Shield has a crazy-long battery life. After some fussing, we're able to remove the three Sanyo battery cells that are responsible for the extended action.

The three-cell, 3.7 V, 7350 mAh, rechargeable lithium-ion battery's case is labeled 131907887.

These numbers add up to plenty of play time.

There is a small circuit board connecting the three cells of the battery. Our best guess? A charging control circuit.

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