DISCOVER TOP DEALS

Save on HDTVs, laptops, tablets and more.

Shop now ›


"Cell Phone Battery Backup"

Current Offers

  • (19)
  • (51)

Brand

  • (6)
  • (5)
  • (5)
  • (4)
  • (4)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Price

Enter Custom Price Range
to
  • (24)
  • (20)
  • (6)
  • (1)
  • (1)
  • (1)

Sold By

  • (33)
  • (20)

Customer Rating

  • (9)
  • (5)
  • (22)
  • (24)
  • (25)
  • (27)

Material

  • (11)

Charging Interface

  • (8)
  • (7)
  • (3)
  • (1)

Case Type

  • (15)
  • (5)

Handsets Included

  • (3)
  • (1)
  • (2)

Compatibility

  • (6)
  • (6)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Color

  • (17)
  • (6)
  • (5)
  • (3)
  • (3)
  • (2)
  • (2)

Features

  • (14)
  • (9)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Condition

  • (51)
  • (2)

Accessories Resources


Accessories Questions

Ask fellow shoppers and Best Buy staff. Share your answers.

53 items
View:
kate spade new york - Portable Backup Lithium-Polymer Battery for Select Cell Phones - Green - 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: KSPW-207-BDGBD
  • SKU: 8351104
Compatible with most USB-powered cell phones; rechargeable 4000 mAh lithium-polymer battery; 2.1-amp output power; 4 LED power indicators; full-wrap Kate Spade graphic print
kate spade new york - Portable Backup Lithium-Polymer Battery for Select Cell Phones - Multi - 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: KSPW-207-DSCG
  • SKU: 8352112
Compatible with most USB-powered cell phones; rechargeable 4000 mAh lithium-polymer battery; 2.1-amp output power; 4 LED power indicators; full-wrap Kate Spade graphic print
kate spade new york - Portable Backup Lithium-Polymer Battery for Select Cell Phones - Multi - 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: KSPW-207-ZBC
  • SKU: 8352176
Compatible with most USB-powered cell phones; rechargeable 4000 mAh lithium-polymer battery; 2.1-amp output power; 4 LED power indicators; full-wrap Kate Spade graphic print
kate spade new york - Portable Backup Lithium-Polymer Battery for Select Cell Phones - Multi - 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: KSPW-207-FRP
  • SKU: 8352103
Compatible with most USB-powered cell phones; rechargeable 4000 mAh lithium-polymer battery; 2.1-amp output power; 4 LED power indicators; full-wrap Kate Spade graphic print
CyberPower - 1500VA Battery Back-Up System - Black - 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: LX1500GU
  • SKU: 3938817
ENERGY STAR Certified
890 joules of protection; 10 surge-protected outlets; phone line protection; AVR (Automatic Voltage Regulation); Line Interactive topology; GreenPower UPS Bypass design; multifunction LCD
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.

$159.99
Panasonic - KX-TGE263S Link2Cell DECT 6.0 Expandable Cordless Phone System with Digital Answering System - Silver - Angle
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: KX-TGE263S
  • SKU: 5062028
Cordless base station plus 3 cordless handsets with 2 chargers; DECT 6.0 and Bluetooth technologies; talking caller ID; 3-way conference calling
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.

$87.99
On Sale
Save $12 (Reg. $99.99)
Panasonic - KX-TGE274S Link2Cell DECT 6.0 Expandable Cordless Phone System with Digital Answering System - Silver - Angle
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: KX-TGE274S
  • SKU: 5061038
Cordless base station plus 4 cordless handsets with 3 chargers; DECT 6.0 and Bluetooth technologies; talking caller ID; 3-way conference calling
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.

$120.99
On Sale
Save $9 (Reg. $129.99)
AT&T - CLP99483 Connect to Cell DECT 6.0 Expandable Phone System with Digital Answering System - Black/Gray - Angle
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: CLP99483
  • SKU: 8949046
  • 4 handsets included
  • Bluetooth enabled
  • Special Features: Make and receive landline and cellular calls; use your home's cellular signal; expandable up to 12 handsets (uses CLP99003 accessory handset)
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.

$126.99
On Sale
Save $13 (Reg. $139.99)
Incipio - offGRID Backup Battery Case for Apple® iPhone® 5 and 5s - Black - 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: IPH-891
  • SKU: 1530552
INCIPIO offGRID Backup Battery Case for Apple iPhone 5 and 5s: Compatible with Apple iPhone 5 and 5s; 2600 mAh capacity; auto sensing USB charging; LED indicator lights; camera ring
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.

$45.99
On Sale
Save $34 (Reg. $79.99)
mophie - juice pack air External Battery Case for Apple® iPhone® 5 and 5s - Gold - 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: 41850BBR
  • SKU: 3571002
Compatible with Apple iPhone 5 and 5s; polycarbonate and ABS materials; 1700 mAh capacity; rechargeable; built-in overcharge, short-circuit and temperature protection
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.

$51.99
On Sale
Save $48 (Reg. $99.99)
Panasonic - KX-TGE233B DECT 6.0 Expandable Cordless Phone System with Digital Answering System - Black - Angle
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: KX-TGE233B
  • SKU: 5015144
Cordless base station plus 3 cordless handsets with 2 chargers; DECT 6.0 technology; talking caller ID; speed dial; call block; 3-way conference-call enabled
$78.99
On Sale
Save $11 (Reg. $89.99)
Panasonic - KX-TGE245B DECT 6.0 Expandable Cordless Phone System with Digital Answering System - Black - Angle
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: KX-TGE245B
  • SKU: 5057014
Cordless base station plus 5 cordless handsets with 4 chargers; DECT 6.0 technology; talking caller ID; speed dial; call block; 3-way conference-call enabled
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.

$139.99
mophie - juice pack H2PRO External Battery Case for Apple® iPhone® 6 and 6s - Black - 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: 45418BBR
  • SKU: 4212700
Compatible with Apple iPhone 6 and 6s; dual-injected rubberized exterior; water-tight ports; scratch-resistant screen protector; 2750 mAh rechargeable lithium-ion polymer battery
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.

$117.99
On Sale
Save $12 (Reg. $129.99)
TYLT - Energi Qi External Battery Case for Samsung Galaxy S6 and S6 edge Cell Phones - Black - 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: GS6EWCPCBK-T
  • SKU: 4428688
TYLT Energi Qi External Battery Case for Samsung Galaxy S6 and S6 edge Cell Phones: Compatible with Samsung Galaxy S6 and S6 edge cell phones; plastic construction; raised bezel; built-in 3400 mAh battery; enables Qi wireless charging; sliding design
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.

$79.99
APC - Back-UPS 125VA Network UPS - 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: BGE70
  • SKU: 1312394047
90 joules of protection; 3 surge-protected outlets with battery backup; designed for low-power devices; status indicator lights; wall-mountable design; 6' cord
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

$58.96