Originally Posted by
callum9999
I just take my own battery pack with me. No good for laptops (unless you buy a really pricey one) but the 30,000mah pack I got on eBay for around $20 holds enough power to charge my phone and tablet half a dozen times each.
That's the route I've ended up taking as well. Plus it means I no longer need to buy extra batteries for everything. I just buy one big one to keep everything charged rather than swapping batteries on the devices.