Anker Power Bank, PowerCore 5000 mAh Portable Charger, External Battery Power Bank, Compact Mobile Phone Charger with Power IQ, Compatible with iPhone XS Max/XR/XS/X/8/8 Plus, iPad, Galaxy and More

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I know your pain, so that’s why I vow that all phones henceforth (in this article at least) will have at least a 5000mAh battery. That means enough battery life to keep you off-grid well into your second and even third day.

This app helps by automatically setting up alerts to remind you to unplug your phone when it hits 80% and not letting the charge drop below 20%. By doing this you can effectively double the usable lifespan of your device. While not as value-driven as the UMiDigi Power above, we do see a big performance jump thanks to the MediaTek Helio P60 mobile chip. The 64GB’s of onboard storage can also be expanded up to 256GB SD, but you’ll have to sacrifice that 2nd SIM slot. Coming to its internals, you have a Snapdragon 665 running the show paired with 4GB of RAM and 64GB of internal storage. That’s more than enough for all your media-centric needs.If the idea of 25 hours screen-on time sounds perfect, then still don’t buy the K13. Let’s be honest, you can carry an 8000mAh power bank around with plus a much better & slimmer device for the same price! Battery life, or the rate a battery is discharged under use, depends on both the battery and the device it's powering. So in a general sense, if you put two identical batteries that only differ in their capacities in two identical devices with the same usage, then the battery with more capacity will naturally last longer. Now onto the battery. Yes that’s right, under the hood is a 9000mAh battery that will easily last 2 days of power usage and 3-4 of light usage. For a massive battery like this, you need some serious charging power and it comes in the form of PumpExpress 4.0 (5V/5amps). Compared to some of the big-battery competition, you might feel a little short-changed with the Moto E5 Plus. That’s not to say it doesn’t have its pros, it just has adopted the latest mobile trends. The Xiaomi Mi Note 10 boasts a whopping 5 camera setup with a humongous 108MP main shooter. And when you combine that with the long-lasting 5260mAh battery, you’ll be snapping photos well into the night.

Now that a lot of batteries are sealed inside phones, you’ll want to do everything you can prolong the life of your battery. There’s actually an easy way to do this on any phone using an app called AccuBattery. You get 4GB’s of RAM, 64GB’s storage and Qualcomm Snapdragon performance. The 8-core mobile processor makes light work so social media, video and apps. The Vernee X1 doesn’t compromise. It’s available in two variants offering up to 6GB of RAM’s and 128GB’s of storage coupled with MediaTek’s next generation Helio P23 CPU. While not a powerhouse, it offers extreme mid-range efficiency. Finally, with a battery this big you’ll want some serious fast charging and the A40s doesn’t disappoint with a 15w faster charger included in the box.

Now, apart from the bump in battery life, in almost everything else, the Power 3 is either similar to the F2 or offers slightly downgraded specs.

This is then combined with a massive 6200mAh battery making it one of the best long lasting smartphones available.

Coming to the performance, it is buttery smooth thanks to Samsung’s inhouse chip, the Exynos 9611 paired with 6GB of RAM. The device can breeze through regular day to day workloads as well as get you through demanding Android games at mid-to-high settings. There’s a triple camera setup with dedicated wide-angle snapper similar to the premium Samsung Galaxy range. Why choose Samsung? You know you’re getting epic build quality, a thin (8.5mm) frame and for the size of the battery, it’s super lightweight at 174g. For example, are you considering gaming performance? Well, the Helio P70 along with 6GB of RAM made sure I could play PUBG even at the highest settings. In fact, the experience was further enhanced by the FHD+ 6.53” bezel-less display. Finally, Samsung has realised a big battery smartphone! Hurray! Not to be confused with the original A40, the Samsung ‘A40s’ drops the full HD display but gains a whopping 60% battery life boost. Another use case of mAh is in smartphone batteries. The battery's capacity is a critical part of a smartphone's specs, but a bigger battery on a smartphone doesn't necessarily mean it'll have a longer battery life.