Stretch Your Dollar: Boost your smartphone's power

HOUSTON (KTRK) -- If you are looking for a back-up power supply for your mobile devices, here are some options that received good reviews from technology experts:
1. The Nomad Key: http://www.hellonomad.com
2. The Anker PowerCore: http://www.amazon.com

3. Luce Wallet: http://www.ahalife.com
4. Power It Up: http://www.impecca.com
5. RAVPower FileHub Plus: http://www.ravpower.com

Patricia Lopez has tips to boost your smartphone's power with these devices.
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