Multitester tested for voltage. This is a voltage EQUIVALENT wall mount version with all the electrical requirements of the APTIVA or IBM voltage regulator, power supply, powersupply, inverter, adaptor, adapter, transformer for speakers with the following specs:  INPUT: AC 120V and  OUTPUT: 9VDC 1A (aka: 9 Volts DC 1000mA). Amperage may be higher, never lower. Shape, size or color may differ from auction photo. Please determine compatibility before bidding. Round barrel connector with a hollow POSITIVE center.

Special heavy wrapping is provided to protect the prongs. S&H in the contiguous USA is $8.(insured shipping).

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USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 5 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 5 day drop-off time. Thankyou.