Maria Diaz/ZDNETZDNET’s key takeawaysUnplug at 100%, keep battery between 20% and 80%.Avoid draining to 0%; store unused tablets at 50%.Use certified chargers to prevent stress and overheating.As someone who uses a tablet daily, I’m constantly looking for ways to make its battery last longer. However, some habits you don’t think twice about could actually be hurting your battery over time. There are ways to extend your tablet’s battery life, and there are some things you should avoid that do the opposite.Also: These 7 common household items were draining power all day – until I pulled the plugMost tablets offer six to eight hours of use on a single charge, though battery life diminishes with age and continued use. While there are many things you can do to conserve battery life, here are the ones you should avoid to ensure your battery’s longevity. 1. Leaving your tablet plugged in overnight This isn’t always a problem with newer tablets, but most tablets on the market will suffer from being left plugged in overnight. Tablets typically charge to 100% and stop using electricity. However, leaving your tablet plugged in can cause it to continue trickle-charging to keep the battery full, which can stress the battery over time and diminish its lifespan. Instead, unplug your tablet when its battery reaches 100%. As a rule of thumb, it’s best to keep your battery charged between 20% and 80%. Also: Why I recommend this Samsung tablet over pricier models – especially the UltraLike all the common charging mistakes we make with our tablets, leaving it plugged in overnight once or twice won’t permanently damage it. Battery damage happens when these incorrect practices become a habit and are followed often. 2. Letting the battery drain to 0% (and forgetting it) More