On location photography shoots I usually run into the need for several chargers and very few power outlets. Other times I've packed the camera bags and forgotten the second, identical charger cable thinking it was already in the bag.
Often times I am photographing a late wedding reception and running low on juice or will need to recharge gear for the next day's shoot while at still at a late shoot. More frequently I find only one outlet available near our table and need to charge several items at once.
This is the easiest solution I have found using the cables included without buying special chargers that handle multiple batteries at once.
+ 2 or more Camera Battery chargers
(1 usually comes with the camera)
+ 2 AC leads for the chargers
+ 1 Inline AC ungrounded plug - hardware store
+ Heat shrink tubing - 1/4" for AC leads, 3/4" to cover split connection
(black electrical tape works as well
but a nice piece of heat shrink
won't unravel or leave goo
while keeping the look of
well built, professional gear.)
+ Epoxy / Epoxy Putty / Hot glue - encase split junction
(come on, doesn't every project on here use one of these 3 adhesives?)
Wire cutters, strippers
Soldering iron, solder
30 minutes or so? Not too tricky or difficult once you have the parts together.
** All the external hard drives I use have the same kind of figure-8 AC leads to the power bricks, and this Instructable can be applied to powering multiple drives or any other peripherals using same ends. **
Step 1: Gather Gear
I frequently use 2 Nikon MH-18a chargers for the EN-EL3, EN-EL3a, and EN-EL3e batteries. Flashes use AA batteries and need an additional AC outlet unless...
We add an AC extension inline with the figure-8 ends!