accessories battery in my car?

Paul S

New member
I live in the country and we go to parties at fields and ponds a lot and i have a sound system so my car is usually used for music. Now the problem is i have two amps and i don't want to drain my main car battery but I don't want to install a permanent secondary battery and buy a diode isolator and all that junk. So i'm thinking i should just bring along an extra car battery and connect it directly to the two amps. And then when i go home the next day i just charge the battery on the car battery charger.
What are your thoughts on this??
Will this damage the battery???
Any better ideas??
thanks for your time.
 
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