This is a New Replacement/Upgrade Power supply for a Acer Aspire tc-780-acki5 . This is a brand new aftermarket power supply with a higher maximum power rating and capacity, also this power supply offers additional power protection features. This is guaranteed to work as a direct replacement for the Acer Aspire tc-780-acki5 Power Supply. Physical Measurements: Metric: 150mm x 85mm x 140mm American: Approx: 6 x 5.5 x 3.25 Actual: 5 7/8 x 3 3/8 x 5 1/2 Connectors Included: 1 x 20+4 Pin - compatible with 20 or 24 pin 1 x 4 Pin ATX-12V 3 x 15 Pin SATA 3 x 4 Pin Molex 1 x 4 Pin Floppy *If you need additional connectors or different connectors, Please contact us first or make a note in the checkout. Specifications: 400 Watts Max (works with lower wattage) High Efficiency (save money) Low Noise and Ripple Fan (very quite) Energy Star Efficiency (proven efficiency and safty) Over Power protection Short Circuit Protection Over Voltage protection Meet UL 1950. CSA 22.2 Level 3 Requirement 100% Hi-pot Function (Chroma)tested 100% Burn-in under high Ambient Temperature Complies with FCC part 15J class B 115Vac Operation and CISPR22 230Vac Operation Approvals: CB, CE, FCC, TUV MTBF: 100,000 Hours Made in China Free Power Cable is included Input Details: Input Voltage: 100-120V/ 200-240V Input Frequency Range: 50/60 Hz Input Current: 10A/5A Output Voltage: +3.3V @ Min 0.3A, Max 28A +5V @ Min 1.0A, Max 36A +12V @ Min 1.0A, Max 16A -12V @ Min 0A, Max 0.8A +5VSB @ Min 0A, Max 2.0A Shipping: *All orders process and ship same day if paid by 3:00 PM EST Monday - Friday Return Policy: 30 day no hassle return policy. If you are unsatisfied or do not want the item for any reason, simply return the product for a full refund. Warranty: 1 year on parts and labor Sales Tax: Michigan residents are required to to pay 6% sales tax. International Buyers/Import Duties: International buyers are responsible for import duties in their country if they exist. Do not buy this item if there are import restrictions for the item in your country. F.A.Q - Frequently asked Questions I was wondering if this item can be used as a DIRECT (the cables just plugs in/fits straight in with no hassles) replacement for a Acer Aspire tc-780-acki5 Power Supply? Yes, this power supply will fit your Acer Aspire tc-780-acki5