Who makes DieHard AGM batteries and where are they manufactured?

DieHard AGM batteries are some of the most recognizable on the market, but the brand's ownership has changed hands on a few ...
Consumer Reports

X2Power Premium AGM SLI65AGMDP Car Battery

Unlock to see our ratings and compare products side by side Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more ...
Consumer Reports

Duralast Platinum AGM 47 H5-AGM

The Duralast Platinum AGM 47 H5-AGM is part of the Car Batteries test program at Consumer Reports. In our lab tests, Car Battery models like the Platinum AGM 47 H5-AGM are rated on multiple criteria, ...
Boating

AGM vs. Lithium Batteries

Boat batteries are the heart of it all. Whether used to power accessories or simply to start an engine, not too much happens aboard most powerboats without a battery. In today’s marketplace, boat ...