Micro-Start XP-10 jump starter - Tested, it works great

[ryanjl]

I bought one of these prior to our Colorado trip in August. Didn't need it for a jump-start, but did use it a lot to recharge our phones while we were camping.

 

[Redinak]

I have the Halo version and have had it for about 2 years and have used it a handful of times and it is Handy to have. I have had no issues so far with swelling batteries. It just rides is the back of the Rover just in case.