Nokia BLB-3/ BLB3 lithium battery is the extended life battery designed & built specifically for the Nokia 6340/ 6360/ 6370/ 6385/ 8260 cellular phone. Nokia BLB-3/ BLB3 LI-Ion Extended life battery provides the Nokia 6340/ 6360/ 6370/ 6385/ 8260 cell phone with the greatest battery capacity available, for moretalk time, in a relatively small battery pack. Lithium ion (LI-Ion) batteries are available in a variety of capacities to best fit your cellular phone requirements. Lithium batteries are at least 30% more talk time than NiMh batteries of the same size. Lithium batteries are at least 30% lighter in weight than Nimh batteries of the same capacity. This memory free, extended life, factory original, BLB-3/ BLB3 Li-Ion battery is rated at 900 Mah capacity. Compatible with Nokia 6340/ 6360/ 6370/ 6385/ 8260 cell phones. At full charge, this Nokia 6340/ 6360/ 6370/ 6385/ 8260 Cellular Phone battery gives you maximum standby & talk time.