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Ring MP:120 Compact Inverter

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Former champion Ring settles for third as our pick of the smaller, glovebox-friendly units. Unlike rivals in this sector it has a USB socket. Its coiled lead is good for around 70cm. There were no problems with the items in our test kit although it struggled with all five at once. Restarted immediately when overloaded.

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Products editor

Kim has worked for Auto Express for more than three decades and all but a year of that time in the Products section. His current role as products editor involves managing the section’s content and team of testers plus doing some of the tests himself. 

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