- Size (LWH): 5.91 inches, 2.44 inches, 0.91 inches
- Weight: 10.88 ounces
Anker 2nd-Gen Astro E5 High-Capacity 16750mAh 3A Portable External Battery Charger with PowerIQ Technology for iPhone, iPad, Nintendo Switch and More
This item at this price, sold by Amazon.com, is currently reserved exclusively for Prime members.Prime free trial and invitee customers: We will automatically apply an Amazon.com Gift Card to your Gift Card Balance in the amount equal to the Prime exclusive discount after you become a paid Prime member. If you cancel your paid Prime membership or return the qualifying smartphone within the first 3 months of your paid Prime membership, we may void your Gift Card or charge you in the amount of the Gift Card. Terms and Conditions apply.
We don't know when or if this item will be back in stock.
- The Anker Advantage: Join the 10 million+ powered by our leading technology.
- Exclusive PowerIQ Technology: Detects your device to deliver its fastest possible charge up to 3A.
- Ultra-High Capacity: Charges the iPhone 6s six times, the iPhone 6s Plus or Galaxy S7 four times or the iPad Air more than once. Safely recharges with a 2A-or-higher output charger (most phone chargers have only 1A).
- Superior Quality: Premium cells, cutting-edge circuitry and a sturdy gloss exterior ensure reliability and safety. To activate the LED flashlight, hold or double-click the power meter button.
- What You Get: Anker 2nd-Generation Astro E5 External Battery, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty and friendly customer service.
High-Quality External Battery Packs from AmazonBasics
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From the manufacturer
|PowerCore 20100||PowerCore 20000 with Quick Charge 3.0||Astro E5 High-Capacity 16750mAh||PowerCore 13000 Portable Charger||PowerCore 10000||PowerCore 10000 with Quick Charge 3.0|
|Battery Capacity||20000mAh||20000mAh||16750mAh||13000 mAh||10000mAh||10000mAh|
|Charging Technology||PowerIQ||PowerIQ Quick Charge 3.0||PowerIQ||PowerIQ||PowerIQ||Quick Charge 3.0|
|# of iPhone 6 charges||7.3||7.4||6||4.7||4.4||4.4|
|# of iPad mini 4 charges||2.5||2.7||2||1.5||1.3||1.3|
|# of Samsung S6 charges||2.5||2.5||4||3.3||2.2||2.2|
|# of USB Charging Ports||2||2||2||2||1||1|
|Max Charging Speed||5V 4.8A (2.4A maximum for each port)||Quick Charge 3.0 Output: 5-6V 3A, 6-9V 2A, 9-12V 1.5A PowerIQ output: 5V 1A||5V 3A (3A maximum for each port)||5V 3A (3A maximum for each port)||5V 2.4A||Quick Charge 3.0 Output: 5-6V 3A, 6-9V 2A, 9-12V 1.5A|
|Color Selection||Black, White||Black, White||Black, White||Black, White||Black, White||Black, White|
|Size||6.5 x 2.3 x 0.9 in||6.5 x 2.3 x 0.9 in||5.9 x 2.4 x 0.9 in||3.8 x 3.1 x 0.9 in||3.6 x 2.3 x 0.9 in||3.6 x 2.3 x 0.9 in|
|Weight||356g /12.56oz||369g /13.02oz||308g /10.87oz||240g /8.47oz||180g /6.35 oz||180g /6.35 oz|
2nd-Generation Astro E5
A power plant for your palm or pocket.
From ANKER, America's Leading USB Charging Brand
• Faster and safer charging with our leading technology
• 10 million+ happy users and counting.
Exclusive to Anker. Intelligent high-speed charging for all your devices.
Enough power to keep you going for days. Charge an iPhone 6s over seven times, a Galaxy S7 four times or an iPad Air more than once.
Using ultra-high-density cells, we've packed in 25% more power than the same-sized Astro E4 to produce one of our most compact battery yet.
To ensure complete safety, we use only premium Sanyo battery cells, together with advanced materials and cutting-edge technology.
At Anker, we believe in our products. That's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support.
For Optimal Use:
• Use the included cable, your original cable or one certified by a third party (such as MFi).
• Compatible with Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices except for the LG G2/G4, iPod nano, iPod Classic, HP TouchPad, Asus tablets and some GPS and Bluetooth devices.
• Remove film before use.
•To give your Astro E5 the fastest, safest recharge, use an Anker USB charger. Using an ordinary phone charger may cause overheating.
Top Customer Reviews
Pack does get warm/hot when charging an iPhone6 and iPad mini simultaneously. According to the Jelly Comb Universal USB Power Multi-meter it restored 15221mAH capacity. Impressive!
One thing to note about recharging this thing- it will start off restoring capacity quickly (5v @2A) but as it gets past 8000mAH the charge rate slows down significantly. At 11000 it would only accept at .30A (this was after about 7 hours) which means the first 1/2 or so accepted capacity quickly, but the latter half took much longer.
Tested with the Globe Electric 7791301 6 Outlet 2 USB Surge Protected Wall Space Plug and factory Apple iPad charger to verify that the battery had slowed its draw down.
Overall happy with this battery pack. The sweet spot as far as time/efficiency goes is to use it to 10% and recharge to 70-80%. To recharge the last 20-30%, it takes much longer and only makes sense if you have the time to charge for that long or absolutely need the full capacity.
Now with that out of the way let me say that like most people who run a "smart" device life, I found myself needing more juice on a daily basis. I had researched plenty of battery packs in an attempt to get the most out of my hard earned cash.
When I came across this particular battery pack I picked it up after researching and reading all the previous reviews. My experience with it initially wasn't very satisfying. I charged it as per instructions yet when I went to use it, I found that it barely charged my iPhone 6+ to 40% before completely dying.
I was going to just send it back to Amazon for a refund but instead I decided to contact the manufacturer by replying to their email regarding my purchase. I emailed them at 8pm and when I woke the next day I saw that they had emailed me around 4:30am.
Long story short they helped me trouble shoot the issue I was having. They asked how I had charged it and said that the charger should be at least a 1.5A charger. I was using my iPhone charger (white cube). I tried again with a 2A charger and it's worked amazingly since then.
I'm extremely satisfied with the battery pack and highly recommend it.
Also the fact that their customer service was so quick and accommodating was very refreshing.
Don't hesitate to pick it up. I already have 3 friends who are going to pick one up.
UPDATE: After posting this review, I was contacted by Anker customer support. They confirmed that, by design, this battery will stop charging if the input current drops below a certain threshold, and may not resume charging until it's unplugged from the charger & plugged back in. In my opinion, that makes this battery unfit for use with a solar charger or any other power source that can't constantly supply 5 volts & 500+mA for the duration of the charge cycle.