Keep your iPhone or iPad charged this summer w/ Tronsmart 10000mAh battery: $14 (Reg. $25)

$14

Tronsmart~Direct (97% positive feedback lifetime) via Amazon offers its Presto 10000mAh Ultra Slim External Battery for $13.99 Prime shipped when you use code VME7YRIN at checkout. Normally $23, this is the lowest we’ve tracked and the best available. Perfect for keeping your tech going on summer vacations this year. Rated 4.1/5 stars.

Presto Ultra Slim External Battery features:

• The green port combines Quick-Charge 3.0, VoltiQ and FCP technology into an integrated whole. VoltiQ technology is adapted to the black port. The Presto 10000mAh provides users with a universal charging solution.
• Much smaller than other power banks of the kind. No others pack into their compact housing as many recharge at a speed on par with this one.
• Smooth ebony varnish with 4-LED battery level indicator, 100% safe circuit protection; charger automatically shuts down if short circuit or overload occurs.
• Compared with other batteries, the one that our Presto comes with brags a capacity increase of up to 30% besides weighing 20% less. Our Li-Polymer battery is considerably safer and more efficient across all product categories.
• This means Tronsmart Product achieve a highly precise resistance capacity while charging/discharging.This makes our design method much better than standard generic mobile power banks and allows each device to be exceptionally durable.