Option B3: Rechargeable Internal Battery Module

With option B3, every APSIN can get internal rechargeable batteries (Ni-MH batteries classified as non-hazardous by IATA; expected lifetime under typical use is 3 to 5 years) that a good for 3 hours of supply-independedent operation. As soon as the APSIN is connected to an external power supply, the batteries will automatically recharge.

The option also adds a grip on the side to make the device easy portable.

Features:

• up to 3 hours of continuous mains-free operation with RF ON