NPP Power 12V 28 Watt/Cell 7.5Ah Rechargable VRLA Battery (HR1228W-FR)
The 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 density
- Very high power output
- Container available in flame retardant (UL 94-V0)
Specifications:
- Model number: HR1228W-FR
- Number of cell: 6 cells
- Nominal voltage: 12V
- Rated capacity: 28 watt/cell, 7.5Ah
- Terminal type: T2
- Internal resistance (25 C): Approx. 14mΩ
- Float charging voltage (25 C): 13.5 to 13.8V temperature compensation: -18m V/C
- Cyclic charging voltage (25 C): 14.5 to 15V temperature compensation: -30mV/C.
- Maximum charging current: 2.7A
- Terminal Material: Copper
- Maximum discharge current (25 C): 135A (5sec.)
- Dimensions (L x W x H): 5.94 x 2.56 x 3.90 inch
- Weight: 5.06 lbs
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