Arm prosthetic device
A system for powering a prosthetic arm is disclosed. The system includes at least one internal battery located in the prosthetic arm, at least one external battery connected to the prosthetic arm, and a master controller configured to connect either the at least one internal battery or the at least one external battery to a power bus to power the prosthetic arm.
1. A system for powering a prosthetic arm comprising:
at least one internal battery located in the prosthetic arm;
at least one external battery connected to the prosthetic arm; and
a master controller configured to selectively connect to either the at least one internal battery or the at least one external battery to a power bus to power the prosthetic arm.
2. The system of claim 1 further comprising wherein the at least one external battery further comprising a keying feature.
3. The system of claim 1 further comprising a battery charger for charging the at least one external battery.
4. The system of claim 1 wherein the at least one external battery includes built-in circuits for measuring state-of-charge.
5. The system of claim 1 further comprising a holster configured to accept and secure the at least one external battery.
6. The system of claim 1 wherein the at least one external battery powers the prosthetic arm.
7. The system of claim 1 further comprising at least one AC adapter.
8. The system of claim 1 wherein the master controller is configured to recharge the internal battery using the at least one external battery.
9. The system of claim 1 further comprising wherein the master controller is configured to:
determine the capacity of the at least one internal battery, and when the capacity of the at least one internal battery is below a threshold; and
determine whether to charge the internal battery using an AC adapter or from the at least one external battery.