Some time ago I got second and third set of 4 AA eneloop batteries for my speedlight and got a problem: how to figure out which battery is from which set? (it's not good to mix charged and uncharged batteries)

Obvious solution: mark them! So I started to paint one of them with color marker on the side. "But it will tear off... and will dirt my fingers..." Then I spotted that their "discs" at the + end are almost white too... and it's a paper-like material there... the end result you can see on the photos. I really liked it ;)

Nothing big, but I think worth sharing :)

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More by pixelrider:Quick and effective splash/dust protection for X100s [quick tip] Marking sets of eneloops [IKEA] Speedlight diffuser - Gary Fong's Lightsphere style 
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