Are you in the market for a car battery charger, but don't want any wild bells or whistles? If you're looking to keep things simple, try out the Manual Charger from CEN-TECH.. This humble box can ...

When it comes to battery testers, Harbor Freight carries two brands that you'll come across often: Viking and Cen-Tech. These names may not carry the same weight as tool brands like Craftsman and ...

This week’s tool, a desulfator battery charger and maintainer, can revive weak batteries from deep sleep. ... He uses a four-amp Viking model from Harbor Freight and reports fantastic results.