MODEL- 3184WW VENDOR- PALM COMPUTING INC. FEATURES- Standard Battery for Treo 650 Extend your talk time with a replacement or spare battery for your Treo 650 smartphone. Just keep one resting in your cradle and it is ready whenever you need it. just pop it in your pocket or bag and you are good to go that extra mile at work chatting with your friends or on the road. Can be recharged while in the phone or using the Cradle Kit. * Powerful: Provides up to 5-6 hours of talk time and up to 2 weeks of standby time (depending on smartphone configuration).* Rechargable: Recharges in phone or in the battery drawer of Cradle Kit.* Dependable: Meets all palmOne and regulatory compliance requirements.* Safe: Built-in overcharging protection * Compatible with: Treo 650 smartphone only NOTE: Not compatible with Treo 600 300 270 180 or 90