{"product_id":"21-6v-li-ion-5000mah-battery-fits-jbl-boombox-4-partybox-520-108wh","title":"21.6V, Li-ion, 5000mAh, Battery fits JBL Boombox 4, PartyBox 520, 108Wh","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:22px; margin:0 0 6px; color:#111;\"\u003e \u003cstrong\u003eCameron Sino CS-JPB520SL\u003c\/strong\u003e | 21.6V | 5000mAh | Li-ion | Main application: JBL Boombox 4, PartyBox 520 \u0026amp; PartyBox 720 \u003c\/h2\u003e \u003cp style=\"margin:0 0 12px;\"\u003ePower your JBL Boombox 4, PartyBox 520, and compatible PartyBox units with this Cameron Sino replacement battery. Engineered for reliable runtime and a precise fit, it’s a direct replacement battery you can trust for gigs, events, or home listening.\u003c\/p\u003e \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:8px; margin-bottom:14px;\"\u003e \u003cspan style=\"background:#f5f5f5; border:1px solid #ddd; color:#333; padding:6px 10px; border-radius:6px; font-size:12px;\"\u003eDirect Replacement\u003c\/span\u003e \u003cspan style=\"background:#f5f5f5; border:1px solid #ddd; color:#333; padding:6px 10px; border-radius:6px; font-size:12px;\"\u003eStable Output\u003c\/span\u003e \u003cspan style=\"background:#f5f5f5; border:1px solid #ddd; color:#333; padding:6px 10px; border-radius:6px; font-size:12px;\"\u003eQuality Tested\u003c\/span\u003e \u003cspan style=\"background:#f5f5f5; border:1px solid #ddd; color:#333; padding:6px 10px; border-radius:6px; font-size:12px;\"\u003eBatteryBuyer.ca\u003c\/span\u003e \u003c\/div\u003e \u003cdiv style=\"border:1px solid #e2e2e2; border-radius:8px; padding:14px; background:#fff; margin-bottom:16px;\"\u003e \u003cul style=\"margin:0; padding-left:20px;\"\u003e \u003cli\u003eReliable runtime: 5000mAh capacity delivers extended playback per charge.\u003c\/li\u003e \u003cli\u003eStable voltage: Maintains a steady 21.6V supply for clear audio performance.\u003c\/li\u003e \u003cli\u003eCorrect chemistry: Li-ion chemistry for efficient power delivery and charging.\u003c\/li\u003e \u003cli\u003eDrop-in replacement: Exact-fit design for JBL Boombox 4, PartyBox 520, and compatible PartyBox units.\u003c\/li\u003e \u003cli\u003eSafety and build quality: High-quality cells with built-in protection features.\u003c\/li\u003e \u003cli\u003eCompatibility assurance: Reliable option for JBL Boombox 4, PartyBox 520, and compatible PartyBox models.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003ch3 style=\"font-size:18px; margin:0 0 8px;\"\u003eTechnical Specifications\u003c\/h3\u003e \u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e \u003ctbody\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px; width:40%;\"\u003eCameron Sino Model \/ Item No.\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003eCS-JPB520SL\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eVoltage\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003e21.6V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eCapacity\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003e5000mAh\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eEnergy \/ Wh\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003e108Wh\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eChemistry\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003eLi-ion\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eColour\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003eBlack\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eDimensions\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003e136.80 x 90.00 x 25.00 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eNet Weight\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003e492 g\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"border-bottom:1px solid #eee;\"\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eGross Weight\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003e642 g\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth style=\"text-align:left; padding:8px;\"\u003eEAN Code\u003c\/th\u003e \u003ctd style=\"padding:8px;\"\u003e4894128223863\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3 style=\"font-size:18px; margin:18px 0 8px;\"\u003eCompatible With\u003c\/h3\u003e \u003cdiv style=\"max-height:220px; overflow-y:auto; border:1px solid #ddd; padding:14px; border-radius:8px; background:#fafafa; font-size:14px;\"\u003e \u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eFits Brand:\u003c\/strong\u003e JBL\u003c\/p\u003e \u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eFits Models:\u003c\/strong\u003e JBL Boombox 4, PartyBox 520, PartyBox 720\u003c\/p\u003e \u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eFits Battery Model Numbers:\u003c\/strong\u003e JBL FG6CELL21700G\u003c\/p\u003e \u003c\/div\u003e \u003ch3 style=\"font-size:18px; margin:18px 0 8px;\"\u003eApplications\u003c\/h3\u003e \u003cp style=\"margin:0 0 8px;\"\u003eTypical use cases include emergency lighting, security systems, access control, UPS, medical devices, industrial equipment, and portable electronics.\u003c\/p\u003e \u003ch3 style=\"font-size:18px; margin:18px 0 6px;\"\u003eImportant Compatibility Note\u003c\/h3\u003e \u003cp style=\"margin:0 0 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=\"font-size:18px; margin:18px 0 8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDoes this replace JBL FG6CELL21700G battery used in JBL Boombox 4 and PartyBox 520?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes. The Cameron Sino CS-JPB520SL is a direct replacement battery designed to match 21.6V and 5000mAh, ensuring compatibility with JBL Boombox 4, PartyBox 520, and PartyBox 720.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat is the runtime or capacity of this battery?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eIt provides 5000mAh (108Wh) at 21.6V. Actual runtime depends on device usage, output levels, and connected accessories.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eHow do I install or fit this battery?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eIt’s a drop-in replacement designed for exact fit. Power down the device, disconnect the power, align connectors, and reseat the battery securely following the device’s service manual or manufacturer guidelines.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs it safe to charge with a standard charger?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes. This Li-ion replacement should be charged with a compatible smart charger designed for 21.6V Li-ion packs; follow standard Li-ion charging procedures and avoid overcharging or using damaged chargers.\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 is CS-JPB520SL.\u003c\/p\u003e \u003c\/details\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Cameron Sino Technology Limited","offers":[{"title":"Default Title","offer_id":52129325449498,"sku":"CS-JPB520SL","price":107.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/1695\/9258\/files\/CS-JPB520SL-1.jpg?v=1777130891","url":"https:\/\/batterybuyer.ca\/products\/21-6v-li-ion-5000mah-battery-fits-jbl-boombox-4-partybox-520-108wh","provider":"Batterybuyer.ca","version":"1.0","type":"link"}