ok i was thinking to get 2 rechargeable car batterys for my pond, and get a heater but insted of plugging it in to your socket or whatever its called i could connect it to the car battery. why i have 2? so when one dies i'll have another one already charged uped, and put the dead one on the charger again... so like a cycle. but can someone help me on how to connect the heater to the car battery?? am 13 so i dont really know how, but am good at following directions. i know you would have to cut off that pointy, plug in part at the end of it stip the plastic, but how would you find the negitive and postive?? or do you have too??? please help am a
at this...
at this...