As with many components on our LSA aircraft, the battery and alternator were kept as light as possible. With that in mind, I wanted to bring up some items to watch for in regards to the charging system.
The alternator used on the O-200 Continental charges the battery when the engine reaches 1500-1700 rpm. If the engine is run at low RPM with high electrical load, the battery is probably not being charged. Situations where this might occur are taxiing for long periods of time with strobes on, or "playing" with the GPS/radios with the engine shut down. Recommendations if this is causing a problem: wait to turn strobes on until just before takeoff, and minimize electrical usage when the engine is shut down.