Product Comparison: RAVPower RP-PB17 vs Anker Astro E1 (AK-A1211015)

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General Specifications
Astro E1 (AK-A1211015)
About the Product
Meet the upgraded version of the RAVPower Luster Portable Battery Charger. This 6700mAh external battery charger packs 2 full charges for most smartphones, and is powerful enough to charge tablets and other devices.
Charge your Apple or Android smartphone one to two times while on the move. You can even charge a Nintendo Switch once. This thing is remarkably small. About the same size as a small candy bar, you simply will not find a more portable powerpack.
Key Specs
6700 mAh
6700 mAh
Pack Type
Charged Simultaneously
On/Off Switch
What customers say about "Key Specs"
RAVPower RP-PB17 Portable Charger
  • It's a good compromise between size and capacity.
  • It has enough juice to recharge an iPad mini fully, and get an iPad Air to about 70%.
  • It can recharge my Nexus 5 from flat almost three times.
  • Nice size to storage capacity ratio for portable travel.
  • Good amount of capacity, can charge phone several times over.
Anker Astro E1 (AK-A1211015) Ultra Compact Portable Charger
  • Great balance between size/portability and charge capacity.
  • The battery capacity is well suited for such a small device making it better than most of its size.
  • Decent capacity for its size. Quality feels good, not cheap or flimsy.
  • Great capacity for the size and Anker products are always top notch.
  • After a couple months it has lost most of its capacity.
Size & Weight
0.8 in.
0.86 in.
3.5 in.
3.82 in.
1.6 in.
1.69 in.
0.26 lbs.
What customers say about "Size & Weight"
RAVPower RP-PB17 Portable Charger
  • Very good charger for any mobile phone. Compact and packs plenty of power.
  • This portable charger is very compact, quite a weight.
  • The size is compact making it ideal for taking a long for your travels.
  • Excellent quality and value. Slim, compact and easy to use design.
  • A really lovely ergonomically designed compact portable charger power bank.
Anker Astro E1 (AK-A1211015) Ultra Compact Portable Charger
  • Good charging capacity in a compact size.
  • It feels sturdy and it’s pretty compact.
  • It is compact enough to carry round, and ensures I don't run out of phone.
  • It is compact, light and can recharge a typical smartphone from dead to full charge twice.
  • Compact and neat portable charger, comes in a small drawstring pouch with its own USB cable.
Body Material
USB, Micro USB
USB, Micro USB
4 LED lights
4 LED lights
Supply Kit
Micro USB cable
Micro USB cable, Travel Pouch
I Smart technology, Sleek and Compact, MultiProtect Safety System, Ergonomic design
PowerIQ, Sleek and Compact, MultiProtect Safety System
What customers say about "Features"
RAVPower RP-PB17 Portable Charger
  • Easy to use and you are able to see current charge level.
  • Shape is great and easy to put in pocket.
  • It's fantastic product. Very good materials and beautiful design.
  • The charger works like a charm and is made from quality materials.
  • Good one, nice color and materials. Great ports.
Anker Astro E1 (AK-A1211015) Ultra Compact Portable Charger
  • This looks good and is very effective - a really good buy.
  • It's small and convenient and charges quickly.
  • Excellently compact, handles a number of iPhone charges and really good build quality.
  • Comes with a cable to charge the device. Charges phone quickly.
  • Doesn't take up much space, charges iPhone quickly.
Warranty / Certifications
Manufacturer Warranty
1 year(s)
1 year(s)
Other Information
21.99 $

Other reviews