• Cisco 8821 Battery (CP-BATT-8821=) (New/Generic) CISCO
  • Cisco 8821 Battery (CP-BATT-8821=) (New/Generic) CISCO
  • Cisco 8821 Battery (CP-BATT-8821=) (New/Generic) CISCO
1 3

Cisco 8821 Battery (CP-BATT-8821=) (New/Generic)

Part Number: CP-BATT-8821=

Cisco 8821 Battery (CP-BATT-8821=) (New/Generic)

$99.00
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DESCRIPTION

The (CP-BATT-8821) is a replacement battery designed for the Cisco 8821 wireless IP phone. This unit provides reliable power to keep your device running efficiently throughout the workday.

Key Features of the Cisco 8821 Battery

  • Replacement battery for Cisco 8821 wireless IP phone
  • Reliable and consistent power performance
  • Designed for enterprise communication devices
  • Easy to install and replace
  • New battery for long-term usage

Why Choose Replacement ?

Over time, batteries lose capacity and performance. This replacement battery restores your device’s mobility and ensures uninterrupted communication.

It is ideal for businesses that rely on wireless communication in offices, hospitals, warehouses, and large facilities.

Common Use Cases

  • Replacing worn-out or failing batteries
  • Maintaining wireless communication systems
  • Enterprise mobility environments
  • IT and telecom maintenance

Compatibility

This battery is specifically designed for the Cisco 8821 wireless IP phone.

What’s Included

  • Cisco 8821 replacement (new)

PRODUCT DETAILS

Features

  • 13 hours of voice calling; up to 240 hours standby
  • Rechargeable Lithium ion 4.35V, 2060mAh smart battery
  • Note: Actual battery life varies significantly based on environmental factors, scan mode, and Bluetooth use.
  • Battery Type: Rechargeable lithium-ion, 4.35 V (nominal 3.8 V)
  • Capacity: 2060 mAh (minimum 2000 mAh) — ensures ample battery reserve for extended shifts.
  • Performance: Up to 13 hours of talk time and up to 240 hours (≈ 10 days) standby time when fully charged.
  • Compatibility: Specifically built for Cisco Wireless IP Phone 8821 — simple plug-and-play swap.
  • Use Cases: Ideal as a replacement for worn-out battery, spare battery for shift-based work, or as a backup to ensure uninterrupted VoIP communication.

Ideal For

  • Business offices, warehouses, medical premises, retail stores
  • Users needing multi-shift cordless IP phone coverage
  • Situations where constant mobility and reliable battery life are essential for communications

Compatibility

  • Compatible with Cisco 8821 Wireless IP Phone.

Part Number:

  • CP-BATT-8821=

DETAILS INFO

SKU:CISC-8821-BATT-GEN-CPBATT
Part Number:CP-BATT-8821=
Vendor: CISCO
Type: Telephone Accessories
Tags: 2025, Battery, Done SEO
Collections: CISCO, New, Wireless Phones
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Cisco 8821 Battery (CP-BATT-8821=) (New/Generic) CISCO
Cisco 8821 Battery (CP-BATT-8821=) (New/Generic)CISC-8821-BATT-GEN-CPBATT
Cisco 8821 Battery (CP-BATT-8821=) (New/Generic)CISC-8821-BATT-GEN-CPBATT
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Frequently Asked Questions

Is this compatible with other Cisco phones?

No, it is designed specifically for the Cisco 8821.

Is this a phone?

No, this is a replacement battery.

When should I replace my battery?

When you notice reduced battery life or charging issues.

Is it easy to install?

Yes, it can be easily replaced in the device.

Looking for the full phone? Check out the Cisco 8821 wireless IP phone bundle.