17.6% more mAH battery than i-smart IS-301. More battery capacity reduces the need to charge your battery again. (1000 mAH, Li-ion vs. 850 mAH, Li-ion)
5.0 grams Lighter than i-smart IS-301. light weight phone is easy to hold and can kept in your pocket for long time. (55 grams vs. 60 grams)
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