The most indispensable accessory for your Blackberry 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 Blackberry D-X1 Battery as a replacement or spare to extend the talk time of your Blackberry cellular device. Keep your Blackberry 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.