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Update: Sold Out.

Amazon has the ZeroLemon Samsung Galaxy S III 7000mAh Extended Battery for only $24. This case will add over 4 days of battery life to your Galaxy but unfortunately will also add a bit of bulk, a small price to pay to keep your smartphone rocking for days.  ZeroLemon boasts that this is the world’s largest capacity battery pack for the Galaxy S3.

Use promo code “MA2HRRC7” to slash $10.20 off the retail price of $34 bringing your total down to just $24.

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