All About Batteries

• Mostly this is for building gadgets for my Gadgetry class, but it might be useful later on.
• Brian said to get only PROTECTED batteries

You need to design chargers and dischargers intelligently! StackExchange

• Has these really annoying JST connectors on it. One user recommended to whittling off the friction “teeth” on the sides and taking a SMALL amount off the top of the connector to ease with pulling it out and plugging it in again.
• Sparkfun also has some care tips for the batteries, including taping them to relieve stress on the wires
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• BatteryJunction.com
• Another option. Don't know where to get connector for it or charger…But probably easily found online or something