NPP NP2-400Ah 2V 400Ah AGM VRLA General Series Battery

NPP NP2-400Ah 2V 400Ah AGM VRLA General Series Battery

The NPP NP2-400Ah General Series battery is a 2-volt, 400 amp-hour sealed AGM VRLA battery designed to deliver dependable standby and light cyclic performance in large industrial battery banks. Built using absorbed glass mat technology, this maintenance-free battery features spill-proof construction and efficient internal gas recombination, making it suitable for indoor and enclosed installations. Its 2V configuration enables flexible system design for high-voltage strings in mission-critical applications.

Engineered for demanding commercial and industrial environments, the NP2-400Ah performs reliably in telecommunications infrastructure, UPS systems, renewable energy storage arrays and utility backup installations. The rugged ABS housing and heavy-duty lead calcium alloy grids enhance structural durability and long-term service life. With substantial reserve capacity and stable float characteristics, this battery ensures reliable performance in high-capacity standby systems.

SPECIFICATIONS

• Brand: NPP
• Model / SKU: NP2-400Ah
• Series: General Series
• Battery Type: AGM VRLA Sealed Lead Acid
• Nominal Voltage: 2V
• Rated Capacity: 400Ah (20-hour rate)
• Chemistry: Lead Acid (AGM)
• Design Life: Up to 10–15 years in standby service (typical)
• Terminal Type: Threaded insert (typically M10 bolt)
• Dimensions (approx): 8.3 in × 6.7 in × 14.2 in (210 × 170 × 360 mm)
• Total Height (including terminals): ~14.6 in (370 mm)
• Weight (approx): ~65–80 lbs (30–36 kg)
• Internal Resistance: Low (typical for 400Ah AGM cell)
• Self-Discharge: Approx. 2–3% per month at 25°C
• Float Charging Voltage: ~2.25–2.30V per cell
• Cycle Charging Voltage: ~2.40–2.45V per cell
• Operating Temperature (Discharge): –15°C to +50°C
• Operating Temperature (Charge): –10°C to +50°C
• Storage Temperature: –20°C to +50°C

APPLICATIONS

• Telecommunications central office power systems
• Large UPS battery banks
• Solar and renewable energy storage arrays
• Utility substation and grid backup systems
• Industrial automation and control systems
• Data center backup power
• Emergency lighting systems
• High-capacity standby battery banks

Cross-Reference / Replacement Models (2V 380–420Ah AGM Cell Class)

• NPP NPD2-400Ah (Deep Cycle Series equivalent)
• Vision 2FM400 (2V 400Ah equivalent class)
• Leoch 2V 400Ah AGM cell
• Power-Sonic 2V 400Ah AGM cell
• Universal industrial 2V 400Ah VRLA cells