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People seem to think batteries only have trouble in cold weather. It is true engines are harder to crank-over when cold. BUT, high temps are absolutely battery killers!I worked with backup generators, from 300KW to 1+ MW (megawatt), for 10 years + for AT&T [I spent 42 years with AT&T, and the last years were in power]. Despite what some people say about AT&T, they cared about keeping the network/system running in spite of surrounding outages. Batteries were used to smooth out the variables of commercial power, so the enduser didn't year or notice those fluctuations. Each of the backup generators had from 2 to 8 car-style marine batteries to get the generator running. I learned to take care of them and change them (imagine lugging 45-50 pounds, 100-110 Kg) from the truck to the engine room and installing them in a series/parallel) configuration [24 volts starting power with up to 3200 cold cranking amps]. And I learned why a single brand of battery was preferred.I won't buy another brand for my vehicles!
People seem to think batteries only have trouble in cold weather. It is true engines are harder to crank-over when cold. BUT, high temps are absolutely battery killers!
I worked with backup generators, from 300KW to 1+ MW (megawatt), for 10 years + for AT&T [I spent 42 years with AT&T, and the last years were in power]. Despite what some people say about AT&T, they cared about keeping the network/system running in spite of surrounding outages. Batteries were used to smooth out the variables of commercial power, so the enduser didn't year or notice those fluctuations. Each of the backup generators had from 2 to 8 car-style marine batteries to get the generator running. I learned to take care of them and change them (imagine lugging 45-50 pounds, 100-110 Kg) from the truck to the engine room and installing them in a series/parallel) configuration [24 volts starting power with up to 3200 cold cranking amps]. And I learned why a single brand of battery was preferred.
I won't buy another brand for my vehicles!
