Cisco

Cisco CP-BATT-7921G-EXT | 7921G extended battery, Li‑ion 3.7V, high‑capacity long‑runtime pack

Cisco CP-BATT-7921G-EXT | 7921G extended battery, Li‑ion 3.7V, high‑capacity long‑runtime pack

SKU:CP-BATT-7921G-EXT

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Description

Increase handset uptime for the 7921G Wireless IP Phone with a high‑capacity lithium‑ion battery engineered for extended shifts. Designed for in‑phone charging and compatible desktop cradles that support extended packs; includes integrated protection circuitry.

Features

- High‑capacity Li‑ion for long shifts and heavy usage
- 3.7V nominal for stable handset performance
- In‑phone and cradle charging compatibility (where supported)
- Integrated protection circuitry for safe operation

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: How does this compare to the standard 7921G battery?
A: It offers higher capacity for longer runtime but adds thickness and weight.

Q: Will it fit my existing case or cradle?
A: Some cases and standard cradles are designed for the slim battery and may not accommodate the extended pack.

Q: Does it have memory effect?
A: No. As a lithium‑ion battery, it does not exhibit memory effect.

Technical Specifications

- Device compatibility: Cisco Unified Wireless IP Phone 7921G
- Battery chemistry: Lithium‑ion (rechargeable)
- Nominal voltage: 3.7V
- Capacity class: Extended / high‑capacity for longer runtime
- Form: Enlarged rear battery pack (thicker than standard)
- Charging: Supports in‑phone charging and compatible extended‑battery desktop chargers
- Safety: Protection against overcharge, over‑discharge, and short circuit
- Fitment note: May not fit slim cases or standard docking cradles

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