{"product_id":"nt5z-st121b-ec-lithium-ion-battery","title":"NT5Z-ST121B-EC High-Efficiency Lithium-Ion Rechargeable Battery","description":"\u003cdiv style=\"width: 100%; max-width: 1100px; margin: 0 !important; text-align: left !important; font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #2d3748; line-height: 1.5; padding: 0;\"\u003e\n\u003cdiv style=\"background: linear-gradient(90deg, #1F3A55 0%, #2c5282 100%); padding: 25px; border-radius: 4px; color: #ffffff; margin-bottom: 30px; box-shadow: 0 4px 6px rgba(0,0,0,0.1);\"\u003e\n\u003ch1 style=\"font-size: 32px; margin: 0; font-weight: 800; letter-spacing: -0.5px; text-transform: uppercase; color: #ffffff !important;\"\u003eNT5Z-ST121B-EC High-Efficiency Lithium-Ion Rechargeable Battery\u003c\/h1\u003e\n\u003cp style=\"font-size: 18px; opacity: 0.9; margin: 8px 0 0 0; font-weight: 400;\"\u003eProfessional Rechargeable Lithium-Ion Battery\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003csection style=\"margin-bottom: 40px; border-left: 6px solid #1F3A55; padding-left: 20px;\"\u003e\n\u003cp style=\"font-size: 16px; color: #4a5568; max-width: 850px;\"\u003eThe NT5Z-ST121B-EC is a high-efficiency lithium-ion rechargeable battery designed to deliver reliable and long-lasting power for a wide range of electronic devices. Engineered for superior energy density and extended cycle life, this battery ensures optimal performance in portable electronics, industrial equipment, and other power-critical applications. Its robust design and advanced chemistry provide enhanced safety and durability, making it an ideal choice for users seeking dependable energy solutions.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 30px; margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 320px; background-color: #f8fafc; padding: 25px; border-radius: 6px; border: 1px solid #e2e8f0;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #1F3A55; margin-top: 0; margin-bottom: 20px; font-weight: 700; display: flex; align-items: center;\"\u003e\n\u003cspan style=\"width: 4px; height: 18px; background: #1F3A55; display: inline-block; margin-right: 10px;\"\u003e\u003c\/span\u003e Technical Specifications\n\u003c\/h3\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eModel\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003eNT5Z-ST121B-EC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eBattery Type\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003eLithium-Ion (Li-ion)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eNominal Voltage\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003e3.7 V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eCapacity\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003e2500 mAh\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eEnergy\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003e9.25 Wh\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eCharge Voltage\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003e4.2 V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eDischarge Cut-off Voltage\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003e3.0 V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eCycle Life\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003eUp to 500 cycles\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eOperating Temperature\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003e-20°C to 60°C\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eDimensions\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003e65 mm x 18 mm x 18 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #e2e8f0;\"\u003e\n\u003cspan style=\"color:#718096\"\u003eWeight\u003c\/span\u003e\u003cspan style=\"font-weight:700; color:#000\"\u003e45 g\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"flex: 1; min-width: 320px; padding: 5px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #1F3A55; margin-top: 0; margin-bottom: 20px; font-weight: 700;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"padding-left: 0; list-style: none; font-size: 14px; color: #4a5568;\"\u003e\n\u003cli style=\"margin-bottom:15px; display:flex; align-items:flex-start;\"\u003e\n\u003cspan style=\"color:#1F3A55; margin-right:10px; font-weight:bold;\"\u003e✔\u003c\/span\u003e\u003cspan\u003eProfessional QC: 24h burn-in testing before shipment\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom:15px; display:flex; align-items:flex-start;\"\u003e\n\u003cspan style=\"color:#1F3A55; margin-right:10px; font-weight:bold;\"\u003e✔\u003c\/span\u003e\u003cspan\u003eSecure Logistics: Reinforced packaging for safety\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom:15px; display:flex; align-items:flex-start;\"\u003e\n\u003cspan style=\"color:#1F3A55; margin-right:10px; font-weight:bold;\"\u003e✔\u003c\/span\u003e\u003cspan\u003eTax\/Duty Note: EU buyers responsible for VAT \u0026amp; import duties\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom:15px; display:flex; align-items:flex-start;\"\u003e\n\u003cspan style=\"color:#1F3A55; margin-right:10px; font-weight:bold;\"\u003e✔\u003c\/span\u003e\u003cspan\u003eCalibration: Certificates available on request\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background-color: #f1f5f9; border: 2px solid #1F3A55; border-radius: 8px; padding: 30px; position: relative; overflow: hidden;\"\u003e\n\u003cdiv style=\"position: absolute; right: -20px; bottom: -10px; font-size: 80px; font-weight: 900; color: #e2e8f0; z-index: 0; pointer-events: none;\"\u003eZYYKZ\u003c\/div\u003e\n\n\u003cdiv style=\"position: relative; z-index: 1;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #1F3A55; margin-top: 0; margin-bottom: 15px; font-weight: 800; text-transform: uppercase;\"\u003eContact for Inquiry\u003c\/h3\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 40px; align-items: center;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #64748b;\"\u003eSales Manager\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 22px; color: #1F3A55; font-weight: 800;\"\u003eJack\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #64748b;\"\u003eEmail Address\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 18px; color: #1F3A55; font-weight: 600;\"\u003ejack.zyykz@gmail.com\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #64748b;\"\u003eCompany Location\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #1F3A55; font-weight: 600;\"\u003eDongguan City, Guangdong, China\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"margin-top: 20px; font-size: 13px; color: #475569; font-style: italic; border-top: 1px solid #cbd5e1; padding-top: 15px;\"\u003eZYYKZ Test Equipment Technology Co., Ltd. - Specializing in Agilent, Keysight, Tektronix, and Fluke since 2016.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"NT5Z-ST121B-EC","offers":[{"title":"Default Title","offer_id":42562105278526,"sku":"zyykz03563","price":237.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/5011\/4110\/files\/s-l1600_8cdad848-b6da-462d-91f4-102991285e1b.webp?v=1774088136","url":"https:\/\/www.zyykz.com\/products\/nt5z-st121b-ec-lithium-ion-battery","provider":"ZYYKZ Test Equipment","version":"1.0","type":"link"}