Limefuel is one of the most popular makers of portable chargers for smartphones and tablets out there, and today we're teaming up with them to give away a OnePlus One 64GB and a host of their awesome charging products, like the Limefuel Blast range, offering anywhere from 6000 to 24000mAh of portable juice.

Grand Prize: Alex Simpson

Runner-up: Baptiste Candellier

Runner-up: Daniel Breszkovics

Runner-up: Joe Amuso

The prizes

We're going to pick four (4) winners at random for this contest which - by the way - is open to everyone around the world. The grand prize winner will receive the full Limefuel treatment, plus, you know, something to charge with all those batteries:

At MSRP, that's a total prize value of over $600.

Three (3) runner-up winners will each receive an ultra-portable Limefuel Lite LP150X 15000mAh charger.

How to enter

Just follow the instructions in the Rafflecopter widget below. This contest will run from now until Sunday, August 24th at midnight PST. Again, this contest is open to entrants from all countries.

a Rafflecopter giveaway