{"product_id":"3-7v-li-ion-6500mah-battery-fits-eufy-video-doorbell-e340-24-05wh","title":"3.7V, Li-ion, 6500mAh, Battery fits Eufy Video Doorbell E340, 24.05Wh","description":"\u003cdiv\u003e\u003cdiv style=\"font-family: Arial, sans-serif; color:#1f1f1f; line-height:1.55; max-width:1100px; margin:0 auto;\"\u003e \u003cdiv class=\"hero\" style=\"margin:0 0 16px;\"\u003e \u003ch2 style=\"font-size:22px; line-height:1.4; margin:0 0 8px;\"\u003e Cameron Sino CS-EFE340SL \/ Item No. CS-EFE340SL – 3.7V • 6500mAh Li-ion Battery for Eufy Video Doorbell E340 \u003c\/h2\u003e \u003cp style=\"margin:0 0 12px;\"\u003eBatteryBuyer.ca presents a Cameron Sino replacement battery engineered to power your Eufy Video Doorbell E340 with dependable runtime and safe, designed-for-original performance. This direct replacement battery delivers stable output and is built to meet professional queuing and safety standards.\u003c\/p\u003e \u003cdiv style=\"margin:6px 0 0;\"\u003e \u003cspan style=\"display:inline-block; background:#f5f5f5; border:1px solid #ddd; padding:4px 8px; border-radius:4px; font-size:12px; margin-right:8px;\"\u003eDirect Replacement\u003c\/span\u003e \u003cspan style=\"display:inline-block; background:#f5f5f5; border:1px solid #ddd; padding:4px 8px; border-radius:4px; font-size:12px; margin-right:8px;\"\u003eStable Output\u003c\/span\u003e \u003cspan style=\"display:inline-block; background:#f5f5f5; border:1px solid #ddd; padding:4px 8px; border-radius:4px; font-size:12px; margin-right:8px;\"\u003eQuality Tested\u003c\/span\u003e \u003cspan style=\"display:inline-block; background:#f5f5f5; border:1px solid #ddd; padding:4px 8px; border-radius:4px; font-size:12px;\"\u003eBatteryBuyer.ca\u003c\/span\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"key-benefits\" style=\"margin:0 0 14px;\"\u003e \u003ch3 style=\"margin:14px 0 8px; font-size:18px;\"\u003eKey Benefits\u003c\/h3\u003e \u003cdiv style=\"border:1px solid #ddd; border-radius:8px; padding:14px; background:#fff;\"\u003e \u003cul style=\"margin:0; padding-left:20px;\"\u003e \u003cli\u003eReliable runtime delivered by a 6500mAh capacity for extended doorbell operation between charges\u003c\/li\u003e \u003cli\u003eStable voltage output to ensure consistent performance of the Eufy Video Doorbell E340\u003c\/li\u003e \u003cli\u003eCorrect Li-ion chemistry for long-life cycles and dependable power delivery\u003c\/li\u003e \u003cli\u003eDrop-in replacement that fits your device without modification\u003c\/li\u003e \u003cli\u003eRigorous build quality and safety features for durable operation\u003c\/li\u003e \u003cli\u003eExplicit compatibility with the Eufy T8743 battery model numbers\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"tech-specs\" style=\"margin:0 0 14px;\"\u003e \u003ch3 style=\"margin:14px 0 8px; font-size:18px;\"\u003eTechnical Specifications\u003c\/h3\u003e \u003ctable style=\"width:100%; border-collapse:collapse; border:1px solid #ddd; border-radius:6px; overflow:hidden;\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; width:40%; font-weight:bold; background:#f9f9f9;\"\u003eCameron Sino Model \/ Item No.\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003eCS-EFE340SL\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; font-weight:bold; background:#f9f9f9;\"\u003eVoltage\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003e3.7V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; font-weight:bold; background:#f9f9f9;\"\u003eCapacity\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003e6500mAh\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; font-weight:bold; background:#f9f9f9;\"\u003eEnergy \/ Wh\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003e24.05Wh\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; font-weight:bold; background:#f9f9f9;\"\u003eChemistry\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003eLi-ion\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; font-weight:bold; background:#f9f9f9;\"\u003eColour\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003eBlack\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; font-weight:bold; background:#f9f9f9;\"\u003eDimensions\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003e77.00 x 40.20 x 21.50 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; font-weight:bold; background:#f9f9f9;\"\u003eNet Weight\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003e115 g\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee; font-weight:bold; background:#f9f9f9;\"\u003eGross Weight\u003c\/td\u003e \u003ctd style=\"padding:8px 10px; border-bottom:1px solid #eee;\"\u003e185 g\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:8px 10px; font-weight:bold; background:#f9f9f9;\"\u003eEAN Code\u003c\/td\u003e \u003ctd style=\"padding:8px 10px;\"\u003e4894128217398\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"compatibility\" style=\"margin:0 0 14px;\"\u003e \u003ch3 style=\"margin:14px 0 8px; font-size:18px;\"\u003eCompatible With\u003c\/h3\u003e \u003cp style=\"margin:6px 0;\"\u003e \u003cstrong\u003eFits Brands:\u003c\/strong\u003e Eufy \u003c\/p\u003e \u003cp style=\"margin:6px 0;\"\u003e \u003cstrong\u003eFits Models:\u003c\/strong\u003e Eufy Video Doorbell E340 \u003c\/p\u003e \u003cp style=\"margin:6px 0;\"\u003e \u003cstrong\u003eFits Battery Model Numbers:\u003c\/strong\u003e Eufy T8743 \u003c\/p\u003e \u003cdiv style=\"max-height:220px; overflow-y:auto; border:1px solid #ddd; padding:14px; border-radius:8px; background:#fafafa; margin-top:8px;\"\u003e \u003cul style=\"margin:0; padding-left:16px;\"\u003e \u003cli style=\"margin:6px 0;\"\u003eEufy T8743\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"applications\" style=\"margin:0 0 14px;\"\u003e \u003ch3 style=\"margin:14px 0 8px; font-size:18px;\"\u003eApplications\u003c\/h3\u003e \u003cp style=\"margin:0;\"\u003eIdeal for powering the Eufy Video Doorbell E340, backup power for home security systems, and other small devices that require a compact 3.7V Li-ion replacement battery.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"compat-note\" style=\"margin:0 0 18px;\"\u003e \u003cp style=\"font-style:italic; color:#555;\"\u003e This 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 \u003c\/div\u003e \u003cdiv class=\"faq\" style=\"margin:0 0 24px;\"\u003e \u003ch3 style=\"margin:0 0 8px; font-size:18px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cdetails style=\"margin:6px 0;\"\u003e \u003csummary\u003e\u003cstrong\u003eDoes this battery replace the listed battery model numbers?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThis Cameron Sino CS-EFE340SL is designed as a direct replacement for the listed battery model numbers, including Eufy T8743.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails style=\"margin:6px 0;\"\u003e \u003csummary\u003e\u003cstrong\u003eDoes it fit the listed device models?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes. It fits the Eufy Video Doorbell E340 when used as the replacement battery for the associated model numbers.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails style=\"margin:6px 0;\"\u003e \u003csummary\u003e\u003cstrong\u003eWhat is the Cameron Sino model number?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe Cameron Sino model number is CS-EFE340SL (Item No. CS-EFE340SL).\u003c\/p\u003e \u003c\/details\u003e \u003cdetails style=\"margin:6px 0;\"\u003e \u003csummary\u003e\u003cstrong\u003eDoes capacity affect compatibility?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eCapacity differences may affect runtime between charges, but do not normally affect compatibility. If you replace a battery with the same voltage and connector, the device should operate normally, with potential differences in how long between charges.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails style=\"margin:6px 0;\"\u003e \u003csummary\u003e\u003cstrong\u003eCharging, safety and installation guidance\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eInstall with the device powered off and follow the device manufacturer's guidance. Ensure correct voltage (3.7V) and connector alignment. Do not puncture, short, or expose the battery to extreme heat. Use only approved chargers and replace only with the specified Cameron Sino model CS-EFE340SL to maintain safety and performance.\u003c\/p\u003e \u003c\/details\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Cameron Sino Technology Limited","offers":[{"title":"Default Title","offer_id":52127637602586,"sku":"CS-EFE340SL","price":43.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/1695\/9258\/files\/CS-EFE340SL-1.jpg?v=1777065040","url":"https:\/\/batterybuyer.ca\/products\/3-7v-li-ion-6500mah-battery-fits-eufy-video-doorbell-e340-24-05wh","provider":"Batterybuyer.ca","version":"1.0","type":"link"}