Sell Octelect 2 pieces 3.7V / 110mAh NW-WS623 NW-WS625 SONY Walkman walkman compatible battery best price

[Battery capacity]: 110MAH [Applicable equipment]: SONY walkman NW-WS623 NW-WS625 battery new [Features]: Lithium-ion battery nominal voltage 3.7V, fully charged 3.7V. Built-in Seiko battery protection module to prevent overcharging and short circuit of this battery [Connector type]: Jst pitch 1.25 mm, 2 pins, wire length: 50 mm [Notice]: Check the polarity of the battery against the old battery before replacing it. Red wire connection power supply plus "+", black wire connection power supply negative pole "-". If is reversed, the position of the interchange wire is required.