It is just like the battery that comes standered with the samsung phone and with that being said it does not hold a charge long at all I pull my phone off the charger at 6 am and its dead by 12pm.&nbs... read more »
This Caffenine pills work really well I took one tablet in the moring instead of drinking coffee or a energy drink and it lasted alot longer than the drink or the coffee has for me. read more »
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