Lithium Ion (Li-Ion) batteries provide superior talk and standby times. They can also be recharged at any time without losing performance. Use as a replacement or extra battery for emergencies. Offers up to 240 minutes talk time and 380 hours standby time. BlackBerry C-S2 Standard Li-Ion Battery - BAT-06860-003 also includes:Recharge at any time without losing performanceConvenient replacement or extra battery for emergenciesUp to 240 minutes talk time and 380 hours standby time