The Poly CA22CD Replacement Battery Pack (8K6Q8AA#AC3, part 218401-01) is the spare rechargeable battery for the Poly CA22CD Push-to-Talk Adapter. When the battery capacity degrades or the original battery fails, this genuine Poly replacement restores full operating time on the CA22CD unit — important in mission-critical PTT and dispatch environments where battery reliability directly affects communication availability. Key Features CA22CD Specific: Correct battery specification for the Poly CA22CD PTT Adapter. Restores Operating Time: Replaces a degraded or failed battery to recover full CA22CD runtime. Genuine Poly Part: Correct chemistry and capacity for safe, reliable operation. Technical Specifications Specification Detail HP SKU 8K6Q8AA#AC3 Poly Part Number 218401-01 Compatible Device Poly CA22CD PTT Adapter Type Replacement battery pack
