A4C has a Samsung Universal 5100mah Portable Battery Charger Certified Refurbished, $9.95 Free Shipping with $49 order or Prime. Expires Soon - highly Rated 4 out of 5 stars. $35 new at amazon.

• Can charge most microUSB smartphones up to 2 times
• LED indicators showing how much charge is remaining on your Battery Pack
• Integrated microUSB cable for charging microUSB devices, additional USB port for universal charging for charging two devices at one time
• Charge Fast Charge-equipped Samsung devices up to 1.5x faster. Go from 0 to 50% in 30 minutes!