OEM standard lithium ion battery (BTR6800) provides good talk and standby time performance is memory free and light weight.Detailed Specs:Talk Time: up to 320 minutes, Stand by Time: up to 340 hours, Capacity: 1500 mAh, Weight: 30 grams/1.06 ounces, Thinckness: 8mm/0.31 inchesCompatibilityHTC Mogul HTC PPC6800 HTC XV6800 UTStarcom PPC 6800 UTStarcom XV6800