Amazon.com has a Xantrex Technologies 851-0175 X-Power 175 Power Inverter for $22.99 with Free Shipping on orders over $25.
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- X-Power 175 will surge to 300 watts and runs continuously at 150 watts n
- Automatic shutdown protection against overload, over temperature and low battery conditions n
- One, three-prong grounded AC outlets n
- Quiet operation n
- Automatically shuts down before the battery is completely drained, ensuring enough capacity is left to start your engine