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Grow Your Business Technology

5 Work Smartphones with the Longest Battery Life (2018)

Huawei Mate 10 Pro
Credit: Purch

The names on this list might not be as familiar as Apple or Samsung, but they dominate the market when it comes to long battery life. If your workday is more like a marathon than a sprint, and long battery life is essential, one of these phones might just suit your needs.

The battery life listed here is not the number claimed in press releases, but what we measured with continuous web browsing over Wi-Fi during the testing and review process. 

#1 Battery Life
BUY
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  • Price
    $329
  • Battery Life Tested
    16:46
  • OS
    Android 6.0 Marshmallow
  • Display Size & Resolution
    5.5 inches, 1920 x 1080 pixels
#2 Battery Life
BUY
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  • Price
    $199
  • Battery Life Tested
    15:19
  • OS
    Android 7.1.1 Nougat
  • Display Size & Resolution
    5.5 inches, 1280 x 720 pixels
#3 Battery Life
BUY
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  • Price
    $159.99
  • Battery Life Tested
    14:48
  • OS
    Android 7.1.1 Nougat
  • Display Size & Resolution
    5.5 inches, 1280 x 720 pixels
#4 Battery Life
BUY
Read Review
  • Price
    $499
  • Battery Life Tested
    13:46
  • OS
    Upgrade available to Android 7.1.1 Nougat
  • Display Size & Resolution
    5.5 inches, 1920 x 1080 pixels
#5 Battery Life
BUY
Read Review
  • Price
    $479
  • Battery Life
    13:06
  • OS
    Android 7.1.1 Nougat
  • Display Size & Resolution
    5.5 inches, 1920 x 1080 pixels

This phone does two things well: It lasts an insanely long time (longer than 16 hours), and it has very good dual rear camera lenses (with 2.3x optical zoom capacity built in). For a reasonable $329, this Asus device also comes with high-end features, such as a fingerprint sensor unlock, sturdy Gorilla Glass 5, an AMOLED display and a USB Type-C port.

What this long-lasting phone doesn't deliver is a great interface or the most recent OS. While higher-end Android phones, such as the Samsung Galaxy S8, are running Android 8 Oreo, Asus has kept the Asus ZenFone 3 Zoom running the somewhat outdated Android 6 Marshmallow. There are also carrier limitations with this device: It doesn't work with Sprint or Verizon, which could be a major roadblock to adoption for business users in certain regions.

The overall performance of this phone won't blow you away. At times it feels low-end, but it is about half the price of many higher-end smartphones, and it won't die when you're working a double.

Read a full review of the Asus ZenFone 3 Zoom on our sister site, Tom's Guide. 

If you want a smartphone with above-average dual cameras, passable performance (thanks to the Qualcomm Snapdragon 430 processor) and an ultralong battery life (15:19) all for just under $200, this is it.

The Asus ZenFone 4 Max's $199 starting price point makes it an accessible choice for a small or midsize business that needs to outfit field employees with smartphones that are functional but not super flashy. Another benefit to this device is the dual SIM card capacity, which makes it easy for multiple users to share the same device or for one user to use one device for business and personal use (with two phone numbers). 

While this phone is quick enough to keep up with basic app use, it's not ideal for games or intensive multitasking. Just remember, this phone is about stripped-down efficiency and a long battery life, not luxury features. Like other Asus phones, this model is not compatible with Sprint or Verizon services.

Read a full review of the Asus ZenFone 4 Max on our sister site, Tom's Guide. 

Credit: Purch

The Cat S41 comes unlocked and boasts not only an incredible battery life (15:19) but a tough-as-nails exterior that screams rugged durability. There's no need for a protective case if you opt for this long-lasting smartphone, because it's already built to survive under extreme circumstances (like being submerged in water for an hour or being dropped onto concrete).

Potential buyers should keep in mind that this is a phone built for a niche group. There's no fingerprint scanner, the design isn't particularly attractive, and the camera is frankly terrible. That said, if you need a rugged device that will last all day long, you can't do any better than the Cat S41.

Read a full review of the Cat S41 on our sister site, Tom's Guide.

The Moto E4 Plus is a reliable, wildly inexpensive ($159.99) smartphone with a battery life (14:48) that can go the distance. The fingerprint sensor and single rear camera lens are both fine, if unremarkable, but one thing this long-lasting Motorola brings to the table is accessibility and availability. Unlike number one and two on our long battery life list, this phone can be used on nearly any major carrier, including Sprint and Verizon.

The interface on the Moto E4 Plus looks pretty much like every Motorola phone interface you've ever seen, which isn't necessarily a bad thing, since it's also intuitive to navigate. A nice touch the Moto E4 Plus has is a sleek metal back panel, which lends the phone a higher quality feel than some plastic competitors.  

The performance of the Moto E4 Plus is speedy enough for business use, and the insanely long battery life allows for plenty of connectivity, even if you're away from a power source for long stretches of time.

Read a full review of the Moto E4 Plus on our sister site, Tom's Guide. 

Credit: Purch

The Leica-branded dual camera lenses, speedy OS (Android 8.0 Oreo) and roomy 6-inch screen with stellar resolution (2160 x 1080 pixels) make this ultralong-lasting (14:33 battery life) smartphone a great alternative to high-end Samsung, Apple and Google devices. The Huawei Mate 10 Pro comes in three colors: titanium gray, midnight blue and mocha brown. While this phone doesn't have an infinity display, it does have ultrathin bezels and sturdy Gorilla Glass on the front.

In addition to looking great and lasting a long time, this Huawei smartphone has a super speedy processor (Huawei's own make, called Kirin 970), solid graphics and a respectable 6GB of RAM. This phone is ideal for business multitaskers who want a beautiful device with incredible battery life.

Read a full review of the Huawei Mate 10 Pro on our sister site, Tom's Guide.

Mona Bushnell

Mona Bushnell is a New York City-based Staff Writer for Tom’s IT Pro, Business.com and Business News Daily. She has a B.A. in Writing, Literature, and Publishing from Emerson College and has previously worked as an IT Technician, a Copywriter, a Software Administrator, a Scheduling Manager and an Editorial Writer. Mona began freelance writing full-time in 2014 and joined the Purch team in 2017.