[swatt13]

the yellow "dial" on the left. you rotate it to the mah number corresponding to your battery. make sure you do this. if yuou leave it at 600mah and your charging a 3000mah battery, youll be waiting a while. but whats really important is if your chargeing a 600mah battery at 3000mah, on many other chargers this would over charge and potentially fry your battery. HOWEVER on the tlp, you have fuzzy logic, which monitors the mah feedback from your battery, preventing it from overchargeing. so when the battery reaches its peak (3000mah/3000mah) the charger cuts out. but the thing with that is as your battery charges it heats up, when it heats up it registers incorrect mah so it peaks early. thats why i reccommend to push it to fast charge another 2 times to ensure you get as much mah in your battery as possible.

about the base charge, its just a solid "base" or "foundation" charge that initializes the charge inside the battery. you only need to do this every 6 months (deep cycle the battery - fully discharge, base charge and fully charge), otherwise you just discharge untill your gun doesnt fire, then fast charge.
fast charging is bettery on your battery as it charges it quicker preventing it from heating up and cooking the batterys over long periods of time. when you slow charge the battery heats up and stays heated longer which damages the batteries.