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Energio 3850mAh Slim External Battery Pack with Built-in Micro-USB Cable and Lightning Adapter for Smartphones - Silver

3.8 out of 5 stars 249 customer reviews
| 9 answered questions

Price: $19.95 & FREE Shipping on orders over $25. Details

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.
Only 1 left in stock - order soon.
  • Sleek and sturdy light-weight aluminium shell with silver finish. Smaller than your cellphone  and so slim that it can fit in the same pocket with your phone. (4.21 x 2.64 x 0.33 inches, 3.8 ounces)
  • High grade lithium polymer battery gives a full charge on medium sized phones such the iPhone 6, Samsung Galaxy S6, LG Nexus 6. Over 500 cycles of charging.
  • Clutter-free charging with built-in micro-USB charging cable that is hidden away when not in use. No more messing with tangled cables.
  • Fast and safe charging with built-in software that regulates temperature, voltage and current. Maximum output of 5V/1.5A that gives a faster charge than other portable chargers of similar sizes.
  • Apple lightning adapter included to charge the latest Apple devices such as the iPhone 5 and 6 models. One Year Full Warranty that replaces all defective products with a new working battery charger.
2 used from $12.50
$19.95 & FREE Shipping on orders over $25. Details Only 1 left in stock - order soon. Sold by Energio and Fulfilled by Amazon.

Frequently bought together

  • Energio 3850mAh Slim External Battery Pack with Built-in Micro-USB Cable and Lightning Adapter for Smartphones - Silver
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Total price: $47.57
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Product Features

  • Size (LWH): 4.21 inches, 0.33 inches, 2.64 inches
  • Weight: 3.84 ounces
  • Battery Type: Lithium Polymer
  See more technical details

Compare to similar items


This item Energio 3850mAh Slim External Battery Pack with Built-in Micro-USB Cable and Lightning Adapter for Smartphones - Silver
Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (249) 4 out of 5 stars (339) 4 out of 5 stars (197) 4 out of 5 stars (362) 4 out of 5 stars (511) 4 out of 5 stars (87)
Price $19.95 $19.99 $11.99 $19.99 $26.99 $16.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Energio EasyAcc.A Store Kolumb Choice USA x-dodd INC Jackery Inc SwitchMe Direct
Item Dimensions 0.33 x 4.21 x 2.64 in 2.6 x 5.28 x 0.51 in 2.4 x 3.7 x 0.2 in 0.6 x 5.35 x 2.67 in 0.9 x 4.3 x 1.9 in 3.03 x 5.8 x 0.43 in
Item Weight 3.77 ounces 5.2 ounces 2 ounces 7.36 ounces 5.3 ounces 7.04 ounces

Product description

Energio SLIM comes in a classy aluminium casing which is strong and sturdy integrating style and functionality in one neat package. With the dimensions of 4.21 x 2.64 x 0.33 inches, this portable phone charger is smaller than any cellphone, and it slips easily into the pocket of your skinny jeans without causing any unsightly bulge. Energio SLIM comes with a handy micro-USB charging cable built into it for hassle-charging. When not in use, the charging cable is neatly tucked in on top of the portable charger and is nicely hidden away. That means you don't have to mess around with charging cables that gets tangled up when you are in a hurry to charge your mobile devices. The Energio SLIM is installed with a propriety software that regulates temperature, voltage and current to give your mobile device the fastest charge possible in the safest way. It has a maximum output of 5V/1.5A that gives a faster charge than other portable chargers of similar sizes and battery capacity. Energio SLIM’s 3850mAh battery is made of high grade lithium polymer giving you over 500 charge cycles in its lifespan. With Energio SLIM, you can enjoy fast charging in a small package. Energio SLIM are backed up with a one year full warranty. If your Energio SLIM is not working properly, we will replace your defective portable charger with a new working unit.


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