When your Poly CS540 or C054 wireless headset no longer holds a charge, we have you covered with a 100% compatible replacement battery. On average your headset battery will last 1-2 years before a replacement is needed. When you start to notice that your battery will no longer hold a charge for more than 7 hours, it’s time for a replacement. Follow our Poly CS540 battery replacement guide, for further information on installation. Recycle responsibly!Please recycle your used batteries responsiblyby using theseonlineresources fromCall2Recycle,Earth911,orConsumer Technology Association
