{"product_id":"sony-dr-bt21g-dr-bt22-headset-replacement-battery","title":"Replacement Battery For SONY BT21, BT-22, DR-BT21G, DR-BT21, DR-BT21GB，BP-HP300A","description":"\u003ch3\u003e\u003cstrong\u003eProduct compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis replacement battery is compatible with Sony DR-BT21 and DR-BT22 series Bluetooth wireless headsets, including models DR-BT21G, DR-BT21GB, DR-BT21IK, and BT21\/BT22. It perfectly replaces the original BP-HP300A battery, matching the exact fit and performance required to keep your headset powered for wireless listening.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance and safety\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBuilt with premium grade cells, the battery offers a robust 320mAh capacity, stable 3.7V voltage, and an extended cycle life to ensure longer continuous working time. It includes a built-in PCM (Protection Circuit Module) providing comprehensive protection against overcharging, over-discharging, and short-circuits, ensuring maximum safety for both the user and the headset.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEach battery is strictly certified to meet international safety and transport standards, including \u003cstrong\u003eUN38.3\u003c\/strong\u003e (lithium battery transport safety), \u003cstrong\u003eIEC62133\u003c\/strong\u003e (portable battery safety), and relevant \u003cstrong\u003eUL\u003c\/strong\u003e standards. It is also fully \u003cstrong\u003eRoHS\u003c\/strong\u003e compliant, meeting stringent environmental and safety regulations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEasy replacement\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDesigned with precise dimensions (6.0 x 20.5 x 32.0mm) and the correct connector, this battery is 100% compatible with the original, making installation fast and straightforward. It is the ideal plug-and-play solution to ensure you have dependable, uninterrupted power when you need it most.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage include\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e1 x replacement battery BP-HP300A for Sony DR-BT21, DR-BT22 Bluetooth headsets.\u003c\/p\u003e","brand":"STARNOVO","offers":[{"title":"Default Title","offer_id":48251047870700,"sku":null,"price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/1305\/5212\/files\/BT21.jpg?v=1788172071","url":"https:\/\/starnovo.com\/zh\/products\/sony-dr-bt21g-dr-bt22-headset-replacement-battery","provider":"STARNOVO","version":"1.0","type":"link"}