Review of Anker Astro Slim3 6000 mAh external battery and stand w/lots of pics!!!Tips


  1. twister6

    twister6 Guides Guide

    This is a review of Anker Astro Slim3 6000 mAh external battery: Anker Astro Slim3 6000mAh Portable External Battery and Anker Multi-angle stand: Anker Multi-Angle Stand for Tablets, E-readers and Smartphones

    It has been awhile since I posted a review in Nexus 7 section of the forum since Note 2 is my homebase. But considering extremely thin design of this external battery slice and a tablet stand - this makes it a perfect companion for N7. Of course, battery is universal and stand can be used with a tablet or a smartphone.

    I have been a huge fan of Anker external batteries, reviewed a lot of their products, and always impressed with a quality and 18-months warranty. Another great thing about these - constant refresh with updated design and increased capacity. Battery cells are slimming down, efficiency of capacity improving, and I'm glad Anker keeps up with all these changes.. Slim line is very unique since it offers one of the thinnest available external batteries with a built in usb cable/connector and a very decent capacity! In comparison to Slim2, this one increased a little bit in length and weight, but still at 134 mm x 70 mm x 12 mm and 155g of weight - it's super slim and portable to carry it with you in a pocket. The battery case itself is very sturdy, feels no flex, and with a matte finish and rubber material around the edge perimeter - makes it very comfortable to hold. Charging input of the battery is micro-usb port which also serves as a storage for one of the outputs with an attached cable and micro-usb connector. In addition, there is full usb port output. The input is rated at 0.8A which means it will take about 6-7 hours to fully charge this battery from empty, while both of the output ports are rated at 1A each which means you will get a full charging speed from those. And while you are charging the battery, or using it to charge your device, you have 4 leds indicating battery capacity in increments of 25%. I also would like to mention that although built-in cable with micro-usb connector is great and means one less cable to worry about, the connector itself is kind of thick and might not work with every case. That's where the 2nd full size usb charging port comes in very handy!

    The performance of this battery was really impressive too. As you know the total capacity of the battery is not the actual capacity because of loses through conversion from internal cells through 5V usb interface. External batteries usually loose 30% of its rating by the time it gets to the tablet/smartphone internal battery. In case of Astro Slim3, I ran multiple charger/discharge cycles and on average found that you can actually get up to 4800 mAh of the charging capacity. That is 80% efficiency which is very impressive. I looked up reviews of other Slim3 users and saw people reporting similar results which is consistent with my testing. But often you have to set your device on a surface to plug in battery for recharge. Carrying both together is not very convenient. With Slim 3 you can actually do that with ease. I'm using book-cover case where I can wedge the battery and continue using my tablet while it's charging up. You can see it clearly from the pictures below. That setup is very convenient, especially if you are playing power draining games or watching a movie, or in general when you don't have time to wait for battery of your tablet/smartphone to charge up. In my opinion, this battery is a must have considering its portability and high capacity.

    The pictures are below.

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    In addition, I'm also reviewing Anker multi-angle adjustable stand. It has a very nice weight (172g), support surface of about 4" x 3", adjustable angle (push the side button for adjustment), and a very elegant sturdy design with lots of rubber padding. It can accommodate both landscape and portrait orientation. I do have to mention that for some smart devices with a thicker case, the opening in the stand might not be wide enough which could be fixed easily by removing inner rubber padding to expand the space. So for example, naked Nexus 7 fits without any problem. With a thicker case you can remove inner rubber lining of the stand to make more room. Great product as well!

    Here are the pics.

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    marc12868 likes this.
  2. steveu694

    steveu694 Well-Known Member

    Clean up your kitchen
  3. Joon525

    Joon525 Well-Known Member

    :laugh:

    In all seriousness...I got the Anker Astro Slim with 4500mAh and it's awesome as well. I didn't even know there was a 6000mAh model so thanks for the heads up.
  4. sparksd

    sparksd Well-Known Member

    I bought the Anker Astro3E 10000mAh external battery - awesome product for $39.95.
  5. Demache

    Demache Well-Known Member

    I'm surprised at how well Anker batteries hold up too. Been a good year since I got my 8400 and still works great. I thought they they would be some cheap no-name but they actually make some pretty good stuff.
  6. twister6

    twister6 Guides Guide

    First of all, thank you for a feedback about the kitchen! I know a broken refrigerator in our kitchen and 2 little ones at home is not an excuse to put all the stuff on the countertop :p Steve, now you can go back to your last 16 posts in 5 days about 4.3 update :D

    Regarding the battery and Anker, since I'm part of their power user program I get a lot of the review units (as you can see from here: http://androidforums.com/samsung-galaxy-note-2/708384-twister-reviews-note-2-accessories.html) and so far been very impressed with their batteries. From what I heard, the company was started by a few former Google employees, and they actually don't design any of their stuff but rather work with HK manufacturers to find a product which is re-branded and sold under Anker name. But every product they sell is tested to meet every standard and specific quality control that's why they offering 18-month warranty. I know I review a ton of different products from a lot of different vendors, but with Anker you never know what is the next product they are going to add to their line.

    But as you can see the reason I posted this review in Nexus 7 section because that's the only battery that works well with a cover/case I'm using. Trust me, when you have 2 little kids at home with 2x Nexus 7, and one runs out of battery - you don't want to see a fight they have over who is using the remaining N7. With Slim3, I just pop it in so they can continue using it. Btw, the case is Poetic hardbook cover.
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