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The APC Replacement Battery Cartridge #35 fits selected APC Back-UPS
Model: MX2B1
3-stage charging extends battery service life by 50% and provides advance warning for battery replacement Battery Replacement Hot-swappable extended battery modules (EBMs)
4kW 208V-120/240 Hardwired In/Out UPS
NPP 12V 24Watt/Cell 6Ah Rechargable VRLA Battery (HR1224W-FR) 8kVA-10kVA The APC Replacement Battery CartridgeThe NPP Power High Rate (HR) Series Valve Regulated Lead Acid (VRLA) batteries are engineered for high demand applications, delivering exceptional power output, high energy density, and ultra low internal resistance. Designed for performance critical environments, the HR Series ensures reliable backup when uptime is non negotiable. Highlights: Operation at low internal pressure Positive and negative plates in lead calcium tin alloy Superior energy