Li-ion Battery for Apple Watch Series 4 40mm A2058 A2059 Filter-Other Props Dust-Proof Design: Unique sealing port

Dust-Proof Design: Unique sealing port keep out dust and sand

Connector 1: RP-SMA Male

Signal interface: One photo resistance interface

high precision large diameter level

which can be replaced at any time

Li-ion Battery for Apple Watch Series 4 40mm A2058 A2059 Filter-Other Props Dust-Proof Design: Unique sealing port1. The best alternative to primary battery, standby time and call time are equal. 2. Lithium ion batteries provide excellent continuous power supply for your equipment. 3. Good quality and long service life. 4. Compared with nickel cadmium batteries, lithium ion batteries have no memory effect. 5. If you do not use batteries for a long time, please keep them in a cool and dry place and charge them every three months. Specification: General Compatible