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The Pop’n battery itself is about 4.25” tall, 2.25” wide, and 0.4” thick, with the curled, rubberized connector adding around three quarters of an inch to the height. When it’s attached to the back of your iPhone 5, it’s around a quarter-inch short of the top glass strip. The 24 suction cups lining the back of the battery enable Pop’n to stick to a bare iPhone or attach to most flat cases. Bonded to a caseless…
