This is a really handy piece of gear (18 grams). After you have bought it/them you are going to be throwing out a heap of other things! It measures the voltage and amperage through itself when plugged into a USB outlet and can time and add the total so that you can see how long […]
It’s hard to find a solar panel which fits on top of a backpack and which can reliably charge eg an 18650 battery/powerbank. This one from Alexpress looks pretty good. It is 275 x 150 mm (10 ¾” x 6”) and weighs:141 grams. so it should just fit on top of your pack, particularly suitable
The Nitecore F2 Charger: 46.5 grams plus battery weight, eg two X 18650s at 48 grams each = 6800 Mah of charging for a weight penalty of 142.5 grams (not bad), but if you add a second pair of batteries (96 grams) you have 13600 Mah for 238.5 grams which is just about unbeatable. The
Kodak 5200 mAh Powerbank: $15 at Safeway/Woolworths 150 grams (139 minus cord). This is cheap enough you could just use it once (instead of 500X!) then throw it away! Doesn’t the world just keep getting better and better? Of course there are lighter (if not cheaper) options. For example, I usually carry a spare battery
