2000mAh Replacement Battery for Sony WH-1000xM3 WH-1000XM4 Battery - Fully Compatible with WH-XB900N WH-H910N WH-CH710N SM-03 SP 624038 Bluetooth Wireless Noise canceling Stereo Headset Battery

【Connector Variability】 Original battery connectors may differ by batch. Please replace the connector yourself. Compatible with Sony WH-1000XM3、WH-1000XM4、WH-XB900N、WH-H910N、WH-CH710N Bluetooth Wireless Noise canceling Stereo Headset and Part NO SP624038 Battery Replacement.
【Polarity Check】 Ensure the red wire is connected to the positive (+) and the black wire to the negative (-). Do not reverse-charge or reverse-connect. If the original battery has no plug or mismatched polarity, you can cut and solder the wires directly or use the included heat shrinkable insulating sleeve to connect the same color wires.
【Efficient & Safe】Utilizing high quality integrated lithium-ion battery cells that are FCC, CE and RoHS certified. Provides high capacity without damaging the hardware, and ensure last over 1200 charge cycles. So you can use it with confidence!
【Latest IC Smart Chip】The latest technology smart chip prevents the battery from overheating, short-circuiting, overcharging, over-discharging and short-circuiting
【CUSTOMER SUPPORT】Your satisfaction is always our top priority. Please contact us if you have any questions or problems. We will solve your problem within 24 hours
【Battery Parameters】Volts: 3.7V, Capacity: 2000mAh/7.4Wh, Type: Li-Polymer, Size 1.51 x 1.51 x 0.24 inch, Weight:0.74oz.

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