GoPro Rechargeable Enduro Battery 2-Pack (HERO11 Black/HERO10 Black/HERO9 Black) - Official GoPro Accessory

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The company has laid out a slew of claims around Enduro battery performance (such as lasting 40% longer), and as usual, if there’s anything I’m good at, it’s repetitively testing something to the point of stupidity. Fear not, with the assistance of beer, Ben & Jerry’s, and (more) batteries – I think I’ve figured this thing out. And more importantly, figured out whether or not you should buy one (spoiler: yes). From our tests, the only situation where the GoPro Enduro battery could be deemed an 'essential' buy is if you're either traveling to, or live in, somewhere with sub-zero temperatures. In any event, for the ice-cream level cold testing, I used three different freezers. Two at home and one at the DCR Cave. All of which hovered at roughly –4°F/-20°C to 0°F/-18°C. I validated that with my nifty pizza oven laser thermometer. I mean, I use it for official things like measuring overheating action cams, but like any true Alton Brown kitchen tool, it’s a multitasker. Anyway, here’s some data GoPro sent over that I’ve Excellified with the spec times for these different scenarios:

Anyway, in addition to the cold-weather performance, there’s ‘regular’ weather performance, which is outlined here: Followed by some outdoor testing. These started outside on a table and then went for my morning commute both inside and outside the cargo bike. My charging results when single-charging a battery seem to match those estimates. But now that I’m armed with that chart, I’m going to do some unnecessary testing with my incoming fleet of batteries and the couple of dual-battery chargers I have to validate that. This actually marks an upgrade over previous models, which came with a standard GoPro battery instead of the higher-performing Enduro despite some of the more recent models supporting the Enduro as well.For cold-weather sports especially, not just the battery duration extensions, but arguably more important the standby/off performance is even more key. To know that even in some of the coldest weather the GoPro will just turn on and record without fuss is a big deal for a lot of people spending time in the mountains (or, just Finland). Followed by some ‘normal temp’ testing (trying to emulate the spring weather conditions GoPro outlined). In this case, I also used a fan on low barely moving the air around, since I didn’t want to do overheating testing. GoPro’s wording specifically noted during activity, which implies airflow (and again, I dove deep into the importance of airflow previously, and will again soon). Ultimately, I do wish these batteries charged faster. If I look at batteries across the landscape of devices I own, I can’t think of a battery that charges slower than that (ok, actually, the new Whoop 4.0 band does, barely does – but using wireless, which is to be expected). This just seems super slow for 2021 (going on 2022). Starting with the first time, just putting the camera in the freezer at various resolutions I found:

Again, we found this to be a fair claim, with our Enduro battery charging in 112 minutes, compared to the 125-minute wait for the standard battery to be replenished in-camera. Is the GoPro Enduro an essential upgrade?

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As you can see, it’s exactly the same size as the Hero 9/10 battery, which makes sense given it has to fit in the same hole as that battery. Equally, since the Hero 9/10 battery is physically bigger than previous GoPro batteries, the Enduro battery won’t fit in the Hero 6/7/8 (or any other GoPro).