The most indispensable accessory for your Sharp Sidekick LX 2009 cellular device is the battery. Unless you are need of a paper weight, even the most advanced phone is useless without power. Use this original Sharp  Sidekick LX 2009 PV-BL51 Battery as a replacement or spare to extend the talk time of your Sharp cellular device. Keep your Sidekick LX 2009 cellular device working at optimum performance levels at all times. Just pop it in your pocket or bag and you’re good to go that extra mile, chatting with your friends, at work, or on the road.