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"External Power Supply"

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211 items
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Agptek - Solo5 10000mAh Dual USB Portable Charger External Battery Pack Power bank Power Supply - White - Larger Front
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  • Model: RMSL5-BA
  • SKU: 1313123776
Battery Power Adapter - Portable - for MP3 Player, MP4 Player, PSP, e-book Reader, Smartphone, iPad, iPhone, Portable Wi-Fi, USB Device
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

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$11.99
On Sale
Save $28 (Reg. $39.99)
Agptek - Solo2 4000mAh Dual USB Portable Charger External Battery Pack Power Bank Power Supply - White - Larger Front
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  • Model: RMSL2-BA
  • SKU: 1313123752
Battery Power Adapter - Portable - for MP3 Player, MP4 Player, PSP, e-book Reader, Smartphone, iPad, iPhone, Portable Wi-Fi, USB Device
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$6.99
On Sale
Save $29 (Reg. $35.99)
Agptek - Solo3 6000mAh Dual USB Portable Charger External Battery Pack Power bank Power Supply - White - Larger Front
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  • Model: RMSL3-BA
  • SKU: 1313123769
Battery Power Adapter - Portable - for MP3 Player, MP4 Player, PSP, e-book Reader, Smartphone, iPad, iPhone, Portable Wi-Fi, USB Device
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$7.99
On Sale
Save $30 (Reg. $37.99)
Agptek - ROMOSS 4000 mah Power Bank Portable External Battery Power Supply Station for iPhone 6S iPad Samsung - White - Larger Front
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$6.99
On Sale
Save $5 (Reg. $11.99)
Agptek - ROMOSS 10000mah Power Bank Portable External Battery Power Supply Station for iPhone 6S iPad Samsung - White - Larger Front
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What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$14.99
On Sale
Save $20 (Reg. $34.99)
Seagate - Backup Plus Fast 4TB External USB 3.0 Portable Hard Drive - Black - Larger Front
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  • Model: STDA4000100
  • SKU: 5127078
USB 3.0 interface; Seagate Dashboard; Save and Share features; Seagate Mobile Backup app; USB-powered; metal construction; data transfer rates up to 220MB/sec.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$179.99
On Sale
Save $70 (Reg. $249.99)
Seagate - Backup Plus Slim 2TB External USB 3.0/2.0 Portable Hard Drive - White - Angle
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  • Model: STDR2000306
  • SKU: 4791300
USB 3.0/2.0 interface; OneDrive Cloud storage; data transfer rates up to 4.8 Gbps
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$89.99
On Sale
Save $40 (Reg. $129.99)
Seagate - Expansion 1TB External USB 3.0 Portable Hard Drive - Larger Front
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  • Model: STEA1000400
  • SKU: 7028043
USB 3.0 interface; portable design; USB-powered, plug-and-play functionality; drag-and-drop file management; up to 4.8 Gbps data transfer rates via USB 3.0
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$54.99
On Sale
Save $5 (Reg. $59.99)
DigiPower - Portable Power Bank External Battery Charger - Black - Larger Front
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  • Model: JS-5CMM
  • SKU: 8844002
Compatible with select action cameras; 5200 mAh capacity; rechargeable lithium battery; 4-light LED indicator; power on/off light; built-in micro and mini USB cables; AC wall plug; USB port
$23.99
Clearance
Save $36 (Reg. $59.99)
mophie - juice pack air External Battery Case for Apple® iPhone® 6 and 6s - Purple - Angle
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  • Model: 45206BBR
  • SKU: 7016029
Compatible with Apple iPhone 6 and 6s; plastic interior material; rubberized support points; 2750 mAh lithium-ion polymer battery; forward-facing speaker ports; pass-through buttons
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$99.99
mophie - juice pack air External Battery Case for Apple® iPhone® 6 and 6s - Green - Angle
You may compare up to four items at a time.

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  • Model: 45205BBR
  • SKU: 7015048
Compatible with Apple iPhone 6 and 6s; plastic interior material; rubberized support points; 2750 mAh lithium-ion polymer battery; forward-facing speaker ports; pass-through buttons
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$99.99
mophie - juice pack air External Battery Case for Apple® iPhone® 6 and 6s - Red - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

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  • Model: 45203BBR
  • SKU: 7016038
Compatible with Apple iPhone 6 and 6s; plastic interior material; rubberized support points; 2750 mAh lithium-ion polymer battery; forward-facing speaker ports; pass-through buttons
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$99.99
mophie - juice pack air External Battery Case for Apple® iPhone® 6 and 6s - Blue - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 45204BBR
  • SKU: 7015066
Compatible with Apple iPhone 6 and 6s; plastic interior material; rubberized support points; 2750 mAh lithium-ion polymer battery; forward-facing speaker ports; pass-through buttons
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$99.99
mophie - juice pack air External Battery Case for Apple® iPhone® 6 and 6s - Pink - Larger Front
You may compare up to four items at a time.

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  • Model: 45212BBR
  • SKU: 7015057
Compatible with Apple iPhone 6 and 6s; plastic interior material; rubberized support points; 2750 mAh lithium-ion polymer battery; forward-facing speaker ports; pass-through buttons
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$99.99
Seagate - Expansion 500GB External USB 3.0 Portable Hard Drive - Black - Angle
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  • Model: STEA500400
  • SKU: 5878364
USB 3.0 interface; USB-powered, plug-and-play design; drag-and-drop file management; up to 4.8 Gbps data transfer rate via USB 3.0
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$59.99