3.7V Lithium Ion Replacement Batteries

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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
  • User-replaceable
  • Recharges in headset