zCover Inc.

zDock® SK220UDB Unified Battery Charger Set (with AC adapter) for 3 Batteries simultaneously

zDock® SK220UDB Unified Battery Charger Set (with AC adapter) for Polycom SpectraLink NetLink 8030/8020/6020 phone battery, Nortel WLAN 6140/6120 phone battery, AVAYA 3645 / 3641phone battery. It charges 3 Batteries simultaneously.

SK220UDB Unified Battery Charger Set comes with a zCover Global AC Adapter. This charger will charge the batteries two times faster than using other power supplies. Batteries can be charged to full in 2 hours. The Unified Battery Charger features intelligent battery temperature monitoring and discontinues charging if the battery temperature reaches over 113°F (45°C). When batteries are full, Charger switches to a trickle charge.


zCover Global AC Adapter is certified safe and environmentally compliant, meeting or exceeding regulatory standards. We have detachable AC Power Plug for Australian, Continental European, Japan, United Kingdom, and North American wall outlet for your selection. Unified Battery Charger Set includes a power supply with you selected AC plug.

This Unified Battery Charger is compatible with zCover Unified Dock Racks.

Unified Modular Docking System

This Unified Battery Charger is part of zCover Unified Modular Docking System. It can be docked into zCover Unified Dock Racks to form a Multi-Charger or customize a mixed Multi-charger with other Unified Desktop Dual Chargers or Unified Multi-battery Chargers under this patent filed concept.


What's in the box:




  • 1 x zDock® SK220UBK Unified Battery Charger for 3 compatible Batteries simultaneously


  • 1 x zAdapter® AC to 5V USB Power Adapter includes one AC Plug Converter


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Cisco Apple Honeywell Toshiba Polycom Intermec Ascom Motorola Honeywell SpectraLink Fujitsu Kirk Linksys Siemens NEC Avaya Alcatel Nortel

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