Battery onboard mobile devices remains one of the biggest concerns for shoppers, and even in a mass market device like the Moto G it’s an important axis. Although Moto G has a removable back door, the battery isn’t designed to be user accessible and is sealed inside, there’s a sticker which pretty much explains the situation.

Inside, the Moto G has a 2070 mAh, 3.8V battery for a capacity of 7.9 watt hours. It loses the stacked 3D structure that was a highlight feature of the Moto X, but still is a relatively large battery for a device with a 4.5 inch LCD display.

To evaluate battery life we turn to our battery life testing suite, which we run over WiFi and all the cellular interfaces appropriate for the device. Here we see a good combination of regular spikes in CPU usage with idle time, hopefully simulating constant, reasonably paced usage. As always the display is set to exactly 200 nits and configured the same way we always configure devices for maximum consistency.

AT Smartphone Bench 2013: Web Browsing Battery Life (3G/2G)

The Moto G starts out with an impressive result on 3G. There’s no LTE on the Moto G so we’re only looking at the subset of devices that I’ve tested on 3G with the new battery life test. Still it’s impressive that the Moto G can crank out just over 7.5 hours on here, considerably more than Moto X forced onto 3G.

AT Smartphone Bench 2013: Web Browsing Battery Life (WiFi)

The WiFi test opens up considerable more comparison points, and here I’m really impressed by what the Moto G is able to crank out.

Cellular Talk Time

Cellular talk time is self explanatory, and again the Moto G winds up with an impressive result. I remember when Motorola seemed to somehow always be able to dominate the call test, Moto G definitely reminds me of those days.

Compared to the Moto X, the WiFi and 3G battery life tests really wind up being a story of the power consumption tradeoffs between LCD and AMOLED that remain to this day. The display size to battery capacity ratio is pretty big with the Moto G, and of course there are further improvements to overall efficiency with the latest Qualcomm silicon and modem block inside.

Device Charge Time - 0 to 100 Percent

I mentioned that the Moto G doesn’t come with a charger in the box, a choice which cuts down on cost and is starting to make a lot of sense give the ubiquity of cheap USB chargers.

Thankfully Moto G seems to be good about its charge signaling, as it can pull up to 2 amps on appropriate chargers. The Moto G seems to be compliant with BC 1.2, and seems well behaved with drawing whatever is appropriate from other chargers as well. 

Software - Android 4.3 Performance - Quad Core Cortex A7
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  • Impulses - Wednesday, December 18, 2013 - link

    FLAC on a phone is a massive waste of space... MP3 w/a high enough bitrate as to be indistinguishable take up like 1/10th the space and a large 100-200 disc collection takes an hour or two to transcode (on a modern laptop).
  • apertotes - Wednesday, December 18, 2013 - link

    that is true, but it is also true that 1000 songs is a very low number for many people, and having to change your collection every week sucks. So yes, 16 gb may be enough. Of course, even 8gb. If you have no other option, you manage with what you got. But that does not mean that many people will find themselves cursing at the lack of internal space a short time after their purchase.
  • sprockkets - Thursday, December 19, 2013 - link

    Use 160kbps ogg vorbis.

    160kbps = 1.2mb per minute. Avg 4 min a song gives 2560 for 12GiB capacity.

    Need more music? Then you are either weird and think you need more than 2500 songs at once so spend $ elsewhere.
  • bhima - Monday, December 23, 2013 - link

    FLAC for your phone? Are you using $600 Grado cans, an amp and DAC with your phone? If you aren't, you literally have zero reason to be using FLAC over 320kbps MP3s. Hell, you'd be hard pressed to notice the difference in 256kbps even with great IEMs or cans unless your powersource/dac is good.
  • flyingpants1 - Friday, December 20, 2013 - link

    What kind of stupid person are you? 8GB?
  • Bob Todd - Wednesday, December 18, 2013 - link

    Nice timing on the review. I just gave my wife's mother my old N4, and her dad has been looking longingly at it. I was thinking about the Moto G for him, and in truth even it would be overkill. I think a lot of folks, myself included, were wondering what the hell Google was going to do with Motorola (beyond patent acquisition and some potential gains for Google TV...before selling the division responsible for the STB business anyway). It looks like they are going to carve out a really nice niche in the midrange. A device like this could be huge in places like India. CPU performance is more than reasonable for the price, NAND performance is good, and I was just plain surprised by the battery life showing. Excellent device for the off contract price.
  • Hrel - Wednesday, December 18, 2013 - link

    I wonder if this will support those new LTE frequences on Virgin Mobile. Assuming of course the Delay on Virgin Mobile is due to adding LTE.

    I hope that's the case SO badly!

    Anyone paying over $35/month for their smartphone is part of the problem. STOP doing that people. Fucking Verizon, with it's $130/month bullshit.
  • erple2 - Sunday, December 22, 2013 - link

    The problem I have with Virgin is that they piggyback off Sprint, which has the worst coverage in my area of the big four. Plus I average about 500 minutes a month. So I'm looking at their $45 plan. Or I can go with another mvno that piggybacks off the gsm providers for the same price but with unlimited calls. And get much better coverage/speeds in my area. Which I do. Either way, this Motorola G looks like a great phone to have.
  • gus6464 - Wednesday, December 18, 2013 - link

    Moto X and G are exceptional phones that definitely got me drinking the Motorola koolaid.
  • darwinosx - Wednesday, December 18, 2013 - link

    I don't know who this phone is for especially in the US. You are going to pay LTE prices and get rapidly diminishing 3G service. You can get top end smartphones for good pieces online etc...I just can't see the market. Even the Moto X which as an iPhone user I still think is a great phone, is not selling well at all. Moto

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