The Sony CP-ELSR CycleEnergy is one of the newest products that Sony Lifestyle released last year, and they send me one for product review.
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This Sony CP-ELSR CycleEnergy is a portable power bank for smartphones, it's pack with Li-ion 2,000 mAh, so this mean it can fully charge most smartphones one time (provided that your smartphone battery is less than 2,000mAh).
