Follow ZDNET: Add us as a preferred source on Google. I’ve lost count of how many times I’ve seen someone throw away good batteries. Man, those things cost money, and it’s so wasteful. But it seems to ...

“This battery monitor reports to my phone as soon as I get into Bluetooth range.” The Ancel 12V Car Battery Tester is $24, $16 off its $40 list price. That’s a sizable discount on a device that could ...

“I firmly believe this is one of those products everyone should have on hand.” Right now at Amazon, the Ancel Plus Car Battery Tester is on sale for just $56 while it’s half-off, and it offers a ...