Ni-MH Battery for Polycom PTB400 PTB410 PTB500 4.8V 700mAh
Fit to the device models:Polycom PTB400, PTB410, PTB500, PTB510, PTB600, PTB610, PTB710, PTB810, PTS330, PTS360, SKPT400, SKPT410, SL650, WTS400. This battery is certified with CE and ISO9001. RoHS Approved for toxic free.