Power & Adapters
From UPS battery backup and surge protection to USB-C, video adapters and hubs — power and connect everything, in stock.
Top Deals in Power & Adapters
View all (460)-
Middle Atlantic Select Series 2RU UPS Backup Power System - 1500VA - UPS-S1500R $1,598.40
-
Tripp Lite by Eaton UPS SmartOnline 208/230V 3000VA 2.7kW Double-Conversion UPS - 10 Outlets Extended Run Card Slot LCD USB DB9 2U - SUINT3000LCD2U $2,335.99
-
Tripp Lite by Eaton UPS SmartOnline 208/230V 1000VA 900W Double-Conversion UPS - 6 Outlets Extended Run Card Slot LCD USB DB9 2U - SUINT1000LCD2U $1,181.99
-
Eaton Tripp Lite Series SmartOnline 1000VA 900W 120V Double-Conversion Sine Wave UPS - 8 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower - SU1000RTXLCD2U $1,108.99
-
APC Smart-UPS Ultra On-Line 5000VA Lithium-ion UPS - 2U Rack/Tower, 208V, Network Card (SRTL5KRM2UT) $12,157.99
Backup Power
Adapters & Connectors
Shop Power & Adapter Brands
Browse our top brands
Shop UPS by Protection Level
Standby, line-interactive, or full online double-conversion
-
CyberPower APCRBC155-CP Replacement Battery Cartridge - APCRBC155-CP
Regular price $405.99 USDRegular priceUnit price per -
CyberPower APCRBC154-CP Replacement Battery Cartridge - APCRBC154-CP
Regular price $62.99 USDRegular priceUnit price per -
CyberPower APCRBC140-CP Replacement Battery Cartridge - APCRBC140-CP
Regular price $807.99 USDRegular priceUnit price per -
CyberPower APCRBC133-CP Replacement Battery Cartridge - APCRBC133-CP
Regular price $330.99 USDRegular priceUnit price per -
CyberPower APCRBC110-CP Replacement Battery Cartridge - APCRBC110-CP
Regular price $60.99 USDRegular priceUnit price per -
StarTech USB-C to HDMI Multiport Adapter with 140W PD Charging, 4K 60Hz HDMI, USB 5Gbps Hub, Mini Dock - 168W-USBC-MULTIPORT
Regular price $45.99 USDRegular priceUnit price per -
StarTech USB-C to HDMI Multiport Adapter with 140W PD Charging, 4K 60Hz HDMI, USB 5Gbps Hub, Mini Dock - 168B-USBC-MULTIPORT
Regular price $45.99 USDRegular priceUnit price per -
StarTech USB C Video Adapter, USB C to HDMI VGA Multiport Adapter, 3.5mm Audio, 4K 60Hz HDR, 100W PD 3.0 PT, USB C Display Adapter - 122-USBC-HDMI-4K-VGA
Regular price $26.99 USDRegular priceUnit price per -
StarTech VGA to HDMI Adapter with USB Audio & Power - Portable VGA to HDMI Converter - 1080p - VGA2HDU
Regular price $65.99 USDRegular priceUnit price per -
StarTech 2m VGA to HDMI Converter Cable with USB Audio Support - 1080p Analog to Digital Video Adapter Cable - Male VGA to Male HDMI - VGA2HDMM2M
Regular price $54.99 USDRegular priceUnit price per -
Plugable USB C to HDMI adapter, HDMI 2.0, USB4 / Thunderbolt Adapter for 4K Monitor up to 4K 60Hz - USBC-HDMI
Regular price $30.99 USDRegular priceUnit price per -
StarTech USB-C Headphone Splitter, USB Type C Dual Headset Adapter w/Mic Input, USB C to 3.5mm Audio Adapter/Earphone Dongle/Aux Jack - USBC-AUDIO-SPLITTER
Regular price $28.99 USDRegular priceUnit price per -
CyberPower APCRBC152-CP Replacement Battery Cartridge - APCRBC152-CP
Regular price $863.99 USDRegular priceUnit price per -
Plugable USB C to HDMI Adapter 4K 30Hz, Thunderbolt 3 to HDMI Adapter - USBC-THDMI
Regular price $28.99 USDRegular priceUnit price per -
Plugable HDMI/USB-C Audio Video Adapter - USBC-HDMI8K
Regular price $37.99 USDRegular priceUnit price per -
Plugable USB C to Quad HDMI 4K Adapter with 100W PD Pass-Though Power Delivery for Windows, Mac M1/M2/M3/M4, Thunderbolt, and USB-C Laptops - USBC-7400H4
Regular price $179.95 USDRegular priceUnit price per
Buying Guide
Not sure what you need?
Wattage, runtime, ports and compatibility — our guide breaks down everything that matters before you buy.
Read the buying guide