With a single full charge, the CS540 will provide up to 6 hours of talk time. Talk time will be decreased when you are operating in wideband mode or in case the headset is used consistently at a far distance from the base. In case you are on a call and the headset battery is critically low, you will hear a repeated single low tone every 15 seconds showing the battery is low. You should recharge the headset immediately. In case you are not on a call and press the call button, you will hear three low tones in case the battery is critically low. You should recharge the headset immediately.
Plantronics CS540 Spare Battery
$62.50
With a single full charge, the CS540 will provide up to 6 hours of talk time. Talk time will be decreased when you are operating in wideband mode or in case the headset is used consistently at a far distance from the base. In case you are on a call and the headset battery is critically low, you will hear a repeated single low tone every 15 seconds showing the battery is low. You should recharge the headset immediately. In case you are not on a call and press the call button, you will hear three low tones in case the battery is critically low. You should recharge the headset immediately.
Out of stock
