The 30W they posted in the last 2 days is a mini version. with 2 600mah lipo's. If anything id wait till they put the 30W full size version so I can use my own batteries.
Depends on the planned use. Perhaps the person is interested in the smallest possible size to carry with him as he works with the ability to charge in his car between locations so it'll go a full day long. Perhaps weight and bulk is as issue because of physical limitations. There are plenty of reasons to be interested in the mini.
Warning for the person considering ordering one from FastTech and who's not ordered from them before. When it shows available in 10 days as it currently does, what that means is either "we're planning on ordering some when we have enough orders" or "the manufacturer says they'll have some here for us to sell in X days" but it really doesn't mean it will ship in 10 days. Anything that says more than a day is a bit of a gamble as to when it actually ships.
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