NEW Original BST-37 Spare/replacement battery for model W550i, W700i, W800i, W810i, V600, V600i, V630i, K600, K610i, J220i, J230i, D750i, K600,K608i, K610i, K750i, Z520, Z520i, Z610i. Charge with confidenceCharge your phone with a Sony Ericsson original accessory and choose quality and safety. Developed in co-ordination, they offer optimal performance. Specifications Size 5.0 x 48.0 x 40.0 mm 0.2 x 1.9 x 1.6 inches Weight 19.0 g 0.7 oz Features Recharging Li-Polymer |