2PCS Brand New BST-39 For Sony Phone T707 W380i W508 W910i Z555i etc
Batteries are new without original packing. You will get 2 Brand New Batteries, original product

Model: BST - 39
Type CBA-0002010
S/N 001118ISMEXH 11W08
Li-ion 3.6V, 3.4Wh


Important Information:

New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion batteries full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles. After you go through 2 to 3 cycles, you’ll never have to condition your battery again