3.7V Lithium Ion Replacement Batteries
The Sonetics Lithium-Ion Replacement Battery provides up to 44 hours of operating time on a single four-hour charge (up to 24 hours in DECT7 models). Use only manufacturer-approved batteries for best performance of your Apex 3-Series wireless headset.
- Protection PCB – Eliminates overcharging
- Lithium-ion technology
- 24 hours on a 4-hour charge
- Recharges in headset