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C–1
C Alternators and Charging
Systems
A good charging system is important for the health of your batteries. Poor
recharging methods can quickly damage batteries.
Appendix C provides guidelines for recharging batteries from an
alternator, from AC power, and from alternate energy sources.
Charging System Requirements
Your charging system should be capable of delivering a charging current
equal to 25% of the amp-hour capacity of your battery. For example, if
you have a 200 Ah battery, the charging system should be able to deliver
50 A. The charging system must also be able to charge each 12 V battery
up to approximately 14.4 V and then drop back to a “float” voltage of
13.5–14 V (or shut off).
CAUTION
Never operate the inverter directly from an alternator. To work properly, the
inverter must be connected to a battery or a well-regulated, high-current DC
power supply.
XPower3000.book Page 1 Wednesday, December 10, 2003 6:52 AM