Read more: 12 Major TV Brands Ranked Worst To Best By Customer Satisfaction Ryobi's 18V One+ chargers are pretty versatile.

But just how bad is it to leave a fully-charged battery unattended on its charger? Ryobi batteries do have their problems, ...

However, if it doesn’t last as long as its estimated rate, it could be a faulty battery, a problem with the charger, or the device not storing the energy correctly. The standard Ryobi ONE+ ...