The most indispensable accessory for your Kyocera S2100 Luno is the battery. Unless you are need of a paper weight, even the most advanced phone is useless without power. Use this original Sanyo Kyocera S2100 Luno Battery as a replacement or spare to extend the talk time of your Kyocera S2100 Luno. Keep your phone 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.