A Texas Instruments Calculator AC9130A Adapter and Charger, is up for your consideration. The adapter produces 6.5 VAC.

The Texas Instruments Calculator AC9130A, shown in the photos, is the only item included in this listing. The photos were taken on a 1 cm grid. Returns accepted only when the serial number matches the original item purchased. I will mail one or two business days after receiving cleared payment. 

Questions are welcome. Thanks for stopping by!