NPPower HR High Rate 12V 21WPC @ 15 Min Rate 1.300 SPG ABS-FR T2 Terminals AGM VRLA Battery

NPPower HR1221W-FR T2 AGM VRLA Battery - High-Rate SeriesThe NPPower High Rate (HR) Series batteries are engineered for critical applications that require exceptional power output. With high power density and low internal resistance, the NPPower High Rate VRLA batteries ensures reliable, high-performance energy delivery - ideal for UPS systems, data centers, telecommunications, and other high-demand applications. Additionally, the NPPower High Rate Series VRLA batteries are housed in flame-retardant containers to enhance safety and compliance with industry standards. Key Features & Benefits Operates at low internal pressure Positive and Negative plates in lead-calcium-tin alloy Superior energy density Very high power output Flame retardant container and cover (UL94 V-0) Applications Uninterrupted Power Systems (UPS) High Power UPS Systems Data Centers Telecommunications Electric Power Systems HR1221W-FR T2 Construction Details Flame retardant container and cover (UL94 V-0) AGM separator Specification Details for HR1221W-FR T2 by NPPower ATTRIBUTES DETAILS General Info Chemistry AGM (VRLA) Voltage 12V Capacity 21 WPC @ 15 Min Rate Cells Per Unit 6 Cells Dimensions - Length - Width - Height - Overall Height 3.54 inches / 90 mm 2.76 inches / 70 mm 3.98 inches / 101 mm 4.21 inches / 107 mm Weight 3.57 lbs / 1.62 kgs Container Type ABS-FR Terminal Type F2 - 0.250" Tab Terminal Material Copper Design Life 10 years Warranty 1 year full Electrical Specifications & Performance Characteristics Float Charging Voltage 13.50 to 13.80V Temperature Compensation: -18mV/°C Cyclic Charging Voltage 14.50 to 15.00V Temperature Compensation: -30mV/°C Maximum Charging Current 1.5A Maximum Discharge Current 75A (5 sec.) Self Discharge 3 Month: 91% remaining capacity 6 Month: 82% remaining capacity 12 Month: 65% remaining capacity Internal Resistance Approx. 23m Ω Operating Temperature Ranges Nominal: 77°F +/- 5°F (25°C +/- 3°C) Charge: 14°F to 122°F (-10°C to 50°C) Discharge: 5°F to 122°F (-15°C to 50°C) Storage: -4°F to 122°F (-20°C to 50°C) Specific Gravity 1.300 Electrolyte Sulfuric Acid Construction Details Positive Plate Lead Dioxide Negative Plate Lead Container ABS-FR Cell Cover ABS-FR Separator AGM Electrolyte Sulfuric Acid Safety Valve Rubber Terminal Material Copper Certifications & Safety Compliances ISO 9001 ISO 14001 OHSAS 18001 IEC 60896-21/22 UL-Recognized Components UL94 V-0 Options & Accessories Available in F1 - 0.187" Tab or F2 - 0.250" Tab terminals Explore Other Models in the NPPower High Rate Series HR1234W-FR HR1251W-FR HR12110W-FR HR12200W-FR HR12280W-FR HR12330W-FR HR12390W-FR HR12540W-FR Power Storage Solutions Installation & Services As your full-service provider, Power Storage Solutions offers more than just products—we provide turnkey installation, system design support, removal and recycling services, and compliance-focused maintenance. Our expert technicians ensure every install is safe, efficient, and built to last. We are proud to offer the following services: Free Site Audits & Consulting On-Site Installation & Commissioning System Design & Engineering Battery Testing & Monitoring Preventative & Contract Maintenance Programs End-of-Life Recycling & Disposal Emergency Response & Troubleshooting Disaster Preparation & Recovery Protocols Temporary Rental Solutions Containerized BESS Solutions DC Power Training Programs Visit our services page to explore how we can protect your business operations and optimize your critical backup power systems.