Miller says a new two-ton, R-410A system costs $3,500 to $4,500; whereas replacing just the exterior portion of a R-22 system with a dry charge costs around $2,500, plus the cost of the refrigerant. Miller says he currently charges $50 for the first pound and $30 for each additional pound of coolant.
3) Charge the battery for 4 to 24 hours (depending on the size of the battery, bigger batteries with a larger capacity, e.g. Y50-N18L-A2 or YB16Al-A2, will take much longer to charge than smaller batteries e.g. YB4L-B or YB2.5L-C) with a Motorcycle Battery Charger. 4) After charging, disconnect the battery from the charger and leave to settle for 1 hour. 5) Re check the battery acid level (make sure it is up to the upper level mark) and top up the acid levels if required.
A basic charger usually charges at around 2 amps-and so needs 24 hours to deliver the 48 amps needed to fully charge a flat, 48 amp hour battery. But there is a wide range of chargers with different charge rates on the market-from 2 to 10 amps. The higher the charge output, the faster a flat battery is recharged.f there is a power point handy, the battery can be left in the car, so long as the charge rate is only 3 or 4 amps. However, if the car has an alternator, disconnect the battery. beforehand: otherwise some alternators-generally the older type-can be damaged. If separate. caps are fitted, remove them for ventilation.