BFL13, armed with an accurate voltmeter and accurate hydrometer a person can mix and match 15-year difference in age batteries. Yup. High antimony lead acid, with low antimony lead, acid, gel, AGM, NiMH, lithium. GANG 'EM. All pump on rope same same.
It's knowing they may pull on the rope OK but become homicidal maniacs when put into a dormitory for the night is the main thing. Same for the diet. Vegans will stick a knife in a carnivore if they see prime rib on their plate. You have to know to feed them differently, or suffer a massacre when you turn your back.
If you are willing to put up with all this, then I say "¡Andele!" In Spanish, this means the eqvt of "GO FOR IT!"
