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Tech review: Apps that enhance cellphone battery performance 

Another grueling day isn’t even close to finished, but your smartphone battery is already more drained than you are. While iPhones and Android devices have built-in battery analyzers, they offer limited information. These apps give you the power to know why your battery is losing strength and lets you take steps to extend its life.

Battery HD+

(iOS, Android; free)

One of the few battery apps available in versions for both iPhones and Android devices, Battery HD+ is less of a battery analyzer that it is a battery predictor — it tells you how much juice you have left for various tasks. For example, you might have power for several hours of internet browsing but far less if you want to watch a video. Battery HD+ calibrates itself to your specific phone to give better estimates of battery time remaining.

AccuBattery

(Android; free)

AccuBattery provides detailed statistics on discharging speed, foreground app usage and general battery health without guesswork. Is an ad-heavy app draining too much power over time? AccuBattery can help you find the offending apps that use too much juice and might help you efficiently run your phone longer. AccuBattery also helps in determining whether it’s not really power-hungry apps that are the problem. It will tell you if your battery may simply need replacing.

Avast Battery Saver

(Android; free)

This app from giant anti-virus software maker Avast gets proactive: It finds those power-mad apps running in the background and if you are not using them, it stops them. (Don’t worry: They can be easily restarted when you need them.) Avast says its app can help you get 20 percent more out of your battery, so you’ll be charging a lot less.

Battery Life

(iOS; free)

While newer versions of iOS have a very good stock Battery Health feature, this app drills down farther to examine and analyze your phone’s battery and make a decision whether it is healthy or failing. It will also tell you how much time you have left to run various tasks. The app’s features and effectiveness vary depending on which iPhone and iOS version you have.

John Montgomery contributed to this story.

Outlets for online shopping

The owner of Roosevelt Field mall, Walt Whitman Shops and Smith Haven Mall is going big on e-commerce. Simon Property Group, the biggest U.S. mall owner, is testing a new website, shoppremiumoutlets.com, where it will offer “online value shopping” from its premium outlet malls. Simon owns 107 malls and 69 premium outlets, including Woodbury Common Premium Outlets in upstate New York.

— PETER KING

Accident waiting to happen

If you expect the automatic emergency braking systems on many new cars to prevent you from hitting a pedestrian, you might be making a fatal mistake. AAA says its research shows the pedestrian detection component of the braking systems “fails to operate in many ordinary driving situations” and doesn't work at all at night. AAA notes that 75 percent of fatal pedestrian accidents happen after dark.

— PETER KING

Google bans some medical ads

Responding to ubiquitous online marketing by stem cell clinics selling unapproved treatments for everything from achy joints to Alzheimer’s, Google said it will no longer accept ads for “unproven or experimental medical techniques,” including most stem cell therapy, cellular therapy and gene therapy. Google said it was taking the step after seeing “a rise in bad actors” trying to take advantage of patients by offering “untested, deceptive treatments.”

— WASHINGTON POST

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