Ryobi Battery Owner Discovers Hidden Dangers of Cheap Alternatives

Jonathon Jachura, a mechanical engineer and two-time homeowner, built his workshop around Ryobi's ONE+ system. He owns numerous 18V and 40V batteries but realized that genuine packs are expensive, often costing as much as the tool itself. This led him to try cheaper alternatives on Amazon.

At first, the off-brand batteries performed well in lighter tasks like drilling and powering a work light. However, under heavier loads, their runtime was significantly shorter than genuine Ryobi packs, and they seemed to heat up more.

Jachura discovered that cheap packs often lack critical protection circuitry, which is proprietary and designed to keep cells balanced and prevent overheating. Some counterfeit batteries even skip this component altogether, increasing the risk of thermal runaway and battery fires.

The safety certification gap was another major concern for Jachura. Genuine Ryobi batteries undergo rigorous testing from recognized labs like UL and CSA, but off-brand packs rarely carry legitimate certification or may display fake marks to appear authentic.