Replace smart lock and doorbell batteries

Why it matters

A dead smart lock battery can leave you locked out. A dead doorbell battery means missed package deliveries and security gaps. Most smart devices give a low-battery warning — don't wait for it to die.

How to do it

• 1

  Check each smart device's app for battery status.

• 2

  Replace any device below 20%.

• 3

  Use the brand's recommended battery type — generic batteries can drain faster.

• 4

  Note: some devices have rechargeable batteries — charge them if below 20%.