Customer Reviews
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  5. Questions?  Call 800-929-8061 or 248-288-7000
Accessories

Audio and Video Conferencing

Avaya Aura

Avaya Definity

Avaya IP Office

Avaya Merlin

Avaya Partner

Barcode Scanners

Cisco

Digium

Grandstream

Headset Solutions

IP Phones and Devices By Hosted Service

Mitel

Nortel

Paging Solutions and Door Phones

Polycom (Poly)

Repair Service & Technical Support

ShoreTel

Single Line Phones

Ugly Boxes

Yealink



Polycom KIRK/ Spectralink Wireless

Spectralink 77-Series
Polycom KIRK 5020/5040 Battery, Spectralink 7520/7540 (RB-5040-L)
Polycom KIRK 4020/4040 Extended Battery (RB-4040-N)

Spectralink 77-Series


Polycom KIRK 5020/5040 Battery, Spectralink 7520/7540 (RB-5040-L)

$27.00

Polycom KIRK 4020/4040 Extended Battery (RB-4040-N)

$27.00
Power Supply for Polycom KIRK 4020/4040 and DECT Repeater (84642602)

Power Supply for Polycom KIRK 4020/4040 and DECT Repeater (84642602)

$14.00



Metroline, Inc.  •  2250 Meijer Drive  •  Troy, MI 48084 •  Phone: 800-929-8061 or 248-288-7000
Business Hours: Mon-Thurs 8:30 am to 6 pm, Fri 8:30 am to 5:30 pm EST
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© 2026 Metroline, Inc.
Metroline Inc. is an independent distributor of technology and telecommunications equipment. Metroline Inc. does not represent any manufacturer or its affiliates in any way. The company, product and service names used in this web site are for identification purposes only. All trademarks and registered trademarks are the property of their respective owners.