Not sure if you should buy a new phone battery or a new phone altogether? Here are some steps you can take to check your battery's health to determine whether you should repair or upgrade.

Every smartphone battery is designed to handle a specific number of full charge cycles before its capacity starts declining.

Those tiny lithium-ion powerhouses in your smartphone have a limited life span. Here's how to determine when to replace your smartphone battery.

Your Screen's Secret Energy Appetite Your display remains the biggest battery drain, but understanding how it consumes power can help you make smarter choices. If you're using a phone with an OLED ...