{"product_id":"3-7v-li-ion-3400mah-battery-fits-bose-soundlink-flex-12-58wh","title":"3.7V, Li-ion, 3400mAh, Battery fits Bose SoundLink Flex, 12.58Wh","description":"\u003cdiv\u003e\u003cdiv style=\"font-family: Arial, sans-serif; color:#1f1f1f; line-height:1.55; max-width:1100px; margin:0 auto;\"\u003e \u003ch2 style=\"font-size:20px; font-weight:700; margin:0 0 8px;\"\u003eCameron Sino CS-BSL289XL \/ Item No. CS-BSL289XL — 3.7V, 3400mAh (12.58Wh) Li‑ion Battery for Bose SoundLink Flex\u003c\/h2\u003e \u003cp style=\"margin:0 0 12px;\"\u003eThis Cameron Sino replacement battery is engineered to deliver reliable power with a precise drop-in fit for the Bose SoundLink Flex. It provides a stable 3.7V output and extended playback between charges, designed to meet OEM expectations while staying compatible with BatteryBuyer.ca standards.\u003c\/p\u003e \u003cdiv style=\"margin:8px 0 16px;\"\u003e \u003cspan style=\"display:inline-block; background:#f2f2f2; border:1px solid #ddd; padding:4px 8px; border-radius:6px; font-size:12px; margin-right:6px;\"\u003eDirect Replacement\u003c\/span\u003e \u003cspan style=\"display:inline-block; background:#f2f2f2; border:1px solid #ddd; padding:4px 8px; border-radius:6px; font-size:12px; margin-right:6px;\"\u003eStable Output\u003c\/span\u003e \u003cspan style=\"display:inline-block; background:#f2f2f2; border:1px solid #ddd; padding:4px 8px; border-radius:6px; font-size:12px; margin-right:6px;\"\u003eQuality Tested\u003c\/span\u003e \u003cspan style=\"display:inline-block; background:#f2f2f2; border:1px solid #ddd; padding:4px 8px; border-radius:6px; font-size:12px;\"\u003eBatteryBuyer.ca\u003c\/span\u003e \u003c\/div\u003e \u003cdiv style=\"border:1px solid #e5e5e5; border-radius:8px; padding:14px; background:#fff; margin:6px 0 14px;\"\u003e \u003cul style=\"margin:0; padding-left:20px;\"\u003e \u003cli\u003e\n\u003cstrong\u003eReliable runtime:\u003c\/strong\u003e 3400mAh capacity powers longer playback between charges.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStable voltage:\u003c\/strong\u003e Consistent 3.7V output for dependable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrect chemistry:\u003c\/strong\u003e Li‑ion chemistry for high energy density and lighter weight.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrop-in replacement:\u003c\/strong\u003e Exact-fit dimensions for straightforward installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafety \/ build quality:\u003c\/strong\u003e Robust construction with safety features for reliable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed to be compatible with Bose SoundLink Flex using the same connector and form.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003ch3 style=\"margin:12px 0 6px;\"\u003eTechnical Specifications\u003c\/h3\u003e \u003ctable style=\"width:100%; border-collapse:collapse; border:1px solid #e5e5e5; border-radius:6px; overflow:hidden;\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width:38%; padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eCameron Sino Model \/ Item No.\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCS-BSL289XL\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eVoltage\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e3.7V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eCapacity\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e3400mAh \/ 12.58Wh\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eEnergy \/ Wh\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e12.58Wh\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eChemistry\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLi-ion\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eColour\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eBlack\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eDimensions\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e66.50 x 22.50 x 21.00 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eNet Weight\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e53g\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee; font-weight:bold;\"\u003eGross Weight\u003c\/td\u003e \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e78g\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px; font-weight:bold;\"\u003eEAN Code\u003c\/td\u003e \u003ctd style=\"padding:8px;\"\u003e4894128218180\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3 style=\"margin:14px 0 6px;\"\u003eCompatible With\u003c\/h3\u003e \u003cdiv style=\"max-height:220px; overflow-y:auto; border:1px solid #ddd; padding:14px; border-radius:8px; background:#fafafa;\"\u003e \u003cul style=\"margin:0; padding-left:18px;\"\u003e \u003cli\u003e\n\u003cstrong\u003eFits Brands:\u003c\/strong\u003e Bose\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFits Models:\u003c\/strong\u003e Bose SoundLink Flex\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFits Battery Model Numbers:\u003c\/strong\u003e CS-BSL289XL, Bose 83289\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003ch3 style=\"margin-top:14px;\"\u003eApplications\u003c\/h3\u003e \u003cp style=\"margin:0 0 8px;\"\u003eIdeal for emergency lighting, security systems, access control, UPS environments, medical devices, industrial equipment, and portable electronics requiring reliable power with a drop-in replacement.\u003c\/p\u003e \u003cp style=\"font-weight:bold; color:#333; margin-top:12px;\"\u003eThis battery is designed as a direct replacement. Capacity differences may affect runtime between charges, but do not normally affect compatibility. Always confirm voltage, dimensions, connector type, and battery part number before ordering.\u003c\/p\u003e \u003ch3 style=\"margin-top:14px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDoes this replace the original Bose 83289 battery for the SoundLink Flex?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes. The Cameron Sino CS-BSL289XL is designed as a direct replacement for the Bose SoundLink Flex, matching voltage, capacity, and connector.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat is the runtime \/ capacity of this battery?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eIt provides 3400mAh \/ 12.58Wh at 3.7V; actual runtime depends on usage, volume settings, and device activity.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eHow do I install it and ensure a proper fit?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eIt is a drop-in replacement with exact dimensions (66.50 x 22.50 x 21.00 mm) and the correct connector. Follow standard safety guidelines during replacement and ensure the battery is seated properly.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this Li-ion battery safe to use and how should I charge it?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes—use with a compatible charger and avoid overheating or overcharging. Store and handle according to typical Li-ion safety practices.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat is the Cameron Sino model number?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe Cameron Sino model number for this replacement battery is CS-BSL289XL (Item No. CS-BSL289XL).\u003c\/p\u003e \u003c\/details\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Cameron Sino Technology Limited","offers":[{"title":"Default Title","offer_id":52129340850458,"sku":"CS-BSL289XL","price":35.77,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/1695\/9258\/files\/CS-BSL289XL-1.jpg?v=1777131994","url":"https:\/\/batterybuyer.ca\/fr\/products\/3-7v-li-ion-3400mah-battery-fits-bose-soundlink-flex-12-58wh","provider":"Batterybuyer.ca","version":"1.0","type":"link"}