Need a 35+ Ah deep-cycle lead-acid battery. I'm told by friends that Sears sells (or used to sell) a DieHard Deep-cycle Lead-acid battery (12v), but for the life of me, can't find it on their ...

Some of you may recall this thread from last year where I ask about finding a good deep cycle lead acid battery. Well, the Sears DieHard Marine/RV/DeepCycle batteries seem to be working out well for ...

The refreshed Tesla Model S and Model X include a huge number of new technologies, features and solutions. One of them is the all-new lithium-ion 12V auxiliary battery, which replaces a conventional ...

Today, three marine lead-acid battery technologies dominate boating: flooded cell, absorbed glass mat (AGM) and gel. Here are the pluses and minuses of each lead-acid technology. Positive: AGM marine ...

Although important, neither consumer electronics nor electric vehicles are the main forces behind the growth in new battery technologies—instead it’s coming from “everything else.” This file type ...

With the refreshed Model S/Model X, Tesla switched from conventional lead-acid to an all-new lithium-ion 12 V auxiliary battery (Model 3/Model Y still uses a conventional one). Thanks to an ...