KIRK Handset Battery Information

NI-Mh Batteries

Battery lifetime under proper charge and discharge conditions:	2 years or 500 charging cycles
Polycom KIRK Warranty on the battery delivered in the handset:	15 months from the production date of the KIRK Handsets
Polycom KIRK Warranty on spare batteries:	15 months from the production date of the battery
Maximum storage time in the Polycom KIRK stock:	6 months from the battery production date

Recommended Charging Methods:

First time usage: Ni-Mh batteries will achieve maximum performance when fully charged and discharged three times
For maximum battery performance it is recommended to fully discharge Ni-Mh batteries, but immediately recharge the batteries when fully discharged
Ni-Mh batteries with poor performance can be optimized by fully charging and discharging the batteries
Stop charging if the Ni-Mh battery becomes very warm
Optimum charging temperature: 10C - 30C / 50F – 86F

Battery lifetime under proper charge and discharge conditions:	1 year or 300 charging cycles
Polycom KIRK Warranty on the battery delivered in the handset:	15 months from the production date of the KIRK Handsets
Polycom KIRK Warranty on spare batteries:	15 months from the production date of the battery
Maximum storage time in the Polycom KIRK stock:	6 months

Recommended Charging Methods:

First time usage: Li-Ion batteries achieve maximum performance when fully charged the first time
For maximum battery performance, it is recommended to never fully discharge the Li-Ion battery. However, if fully discharged, the Li-Ion battery should be charged immediately.
Li-Ion batteries with poor performance can be optimized by completing a few cycles of fully charging and discharging the batteries. It is important that the Li-Ion battery is fully charged when the charge/discharged cycles are completed
Stop charging if the Li-Ion battery becomes very warm
Optimum charging temperature: 10C - 30C / 50F – 86F