Bowmar 901D Adapter & Accessories

The model B901-977-4 is the supplied Bowmar 901D mains adapter, and it provides an output of 14 V AC at 140 mA.

This adapter has a switch to select between 115 V or 230 V input and is supplied with a two-pin American plug configuration. There is also a three-pin converter for use with the British mains.

Power connector

This little circuit diagram shows the socket configuration. There is an internal switch, which disconnects the battery power, when the mains power is used.

Leather Storage Case

The leather storage pouch provides excellent protection, and one could also keep the power supply adapter in this instead of the calculator!

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