Overview:100% genuine Nokia product Model: BP-4 L High performance & high reliability lithium battery Perfect for replacing worn out Nokia batteries, giving your cell phone a fresh start Built-in safety & protective circuitries Recharges with regular Nokia battery / cell phone chargers Designed for the following Nokia cell phones: N97, E52, E55, E61, E61i, E63, E71, E72, E90, 6650f Specification: Dimension: 2.56 in x 1.69 in x 0.2 in Weight: 0.67 oz