Irreversible polarity: All the DC Plug for this DC adapter are Center Positive: inner positive(+), outer negative(-). The DC power adapter is not compatible with all devices. Cord Output: 12V 3A. Type: AC to DC Multi Pin Adapter.
eBay
5V, 19V, 19. 5V, 20V, max 90W, compatible Laptop power adapter 75W 70W 65W 45W 40W 33W.
eBay
IRREVERSIBLE POLARITY: All the DC Plug for this DC adapter is Center Positive: inner positive(+), outer negative(-). The DC power adapter is not compatible all devices. Cord Output: 12V 3A. USB Output: DC 5V/2.1A.
eBay
Allows DC powered devices to be plugged into an AC power outlet. Equipped with 6 adapter plugs, the different sizes will fit for your appliances well. 1 x Power Adapter. Output: DC 3-12V (3/4.5/5/6/7.5/9/12V) Max: 1.2A.
eBay
34 x DC Adapter. Output Tip 1: 6.0 4.0mm. Output Tip 2: 6.3 3.0mm (Toshiba 15V 3A/4A/5A/6A). Output Tip 3: 5.5 2.5mm (IBM/asus/Gateway/BenQ 19V 3.42A/19V 4.74A). (Acer 19V 3.42A). (HP 18.5V 3.5A/18.5 4.9A).
eBay
The adaptor does not support if your device requires center negative. 6 DC Plugs of different sizes are easy to connect and practical to use. (Note: DC Plug Polarity: inner Positive(+), outer Negative(-), Polarity is Not reversible.).
eBay
[AC/DC Power Adapter] Input: AC 100-240v 50 60hz. Max current: 2A (compatible with 200mA / 300mA / 500mA / 600mA / 800mA / 1000mA ). Why is 30W ?. Adapter is 24W max + USB 6W. When using USB alone, it is 5V 2.1A max.
eBay
This universal travel adapter is perfect for all your charging needs. With a fold-in plug design, it is compact and easy to carry when you are on the go. The adapter features three outlets and a USB port to power multiple devices at once.
eBay