One of the few downsides of modern digital cameras is the need for frequent battery charging. My first pro-level camera, a (film, of course) Canon F1 built with the ruggedness of a 747’s Black Box, had a battery to operate the light meter, but would function quite happily without it; you just had to remember the classic “Sunny 16” rule for exposure. 

Not so these days: No battery, no camera. Even the ascetic’s choice, manual-focus rangefinder Leica M10 is digitized and thus dead without power. 

One upside is, modern lithium/ion batteries boast tremendous charge density for their weight. Another—important for travelers—is that virtually all chargers for those batteries are muti-voltage and will operate happily on either 120 or 240 VAC current. Unfortunately, while the countries of the world managed to confine their mains single-phase voltage supply to those two choices, the variety of plugs necessary to access that voltage is bewildering. And if, like me, you are absent-minded enough to leave not one, but two adapters firmly inserted in sockets on a single trip across Africa, you could find yourself critically short on charging capabilities. Trust me that finding a U.S. to Botswana or Namibia adapter in Botswana or Namibia is a near-futile quest.

Fortunately there is a backup power source right there in the notebook computer you take to download and store those photos: the USB port. Which brings me to the Nitecore charger.

The Nitecore, which is available in numerous configurations to accept most camera batteries, plugs into the USB port of your notebook computer, which means it is way less likely to be left behind. That would be enough for me to click “buy now” right there, but the Nitecore also incorporates a digital readout that tells you the overall health of the battery, its current state of charge, rate of charge, and voltage. Brilliant. 

I used the Nitecore on a recent trip to Mexico in our Tacoma and Four Wheel Camper, which highlighted another advantage: Since we currently have only a single-outlet 12VDC to 120VAC inverter in the truck, I was able to charge both computer and camera batteries at once. And I found the state-of-charge feature useful: At one point I was unsure of the capacity left in one of my BP-DC12 1200mAh batteries before a long hike. So I plugged it into the Nitecore, which informed me it was at 980 mAh—plenty to go on with just a single spare.

The Nitecore has a very short cord, which enables it to fold away in the back of the unit. And as you can see from the lead photo, the unit itself is significantly smaller than either my factory Lumix or Leica chargers. Given the extra functions included, that’s remarkable. Bravo Nitecore. 

Highly recommended, even if you’re not absent-minded.