Product Features

  • Sealed construction, no electrolyte leakage
  • Unique electrolyte system for maximum service life
  • Low self-discharge rate, less than 3% capacity loss per month
  • Special paste formulation improves charge acceptance
  • Gelled electrolyte technology
  • Absorbent glass mat (AGM) technology for efficient gas recombination
  • High-performance alloy ensures corrosion resistance

Application Scenarios

  • Emergency lighting and video surveillance systems
  • Access control systems
  • Medical equipment
  • Lawn mowers
  • Golf carts
  • Telecommunications facilities
  • Alternative energy
  • Power supply networks and the energy industry
  • Uninterruptible power supply (UPS) systems
  • Security systems

Product parameters

  • Model:MSU-400
  • Voltage:2 V
  • Nominal Capacity(Ah) 10-hour rate:400
  • Weight(kg):24.5
  • Optional Terminal Type:I3 B6

Product details

MSU-400 is a 2 V valve-regulated lead-acid battery in the B.B. Battery MSU series, with a nominal capacity of 400 Ah at the 10-hour rate and a weight of 24.5 kg. The optional terminal types are I3 and B6. Its sealed construction ensures no electrolyte leakage, the high-performance alloy provides corrosion resistance, and the unique electrolyte system delivers maximum service life. The battery uses gelled electrolyte technology together with absorbent glass mat (AGM) technology for efficient gas recombination. Its low self-discharge rate keeps monthly capacity loss below 3%, so the battery retains its charge during storage and long standby periods. The special paste formulation improves charge acceptance, which helps the battery take charge efficiently after discharge. These features work together to keep the battery stable through repeated charge and discharge cycles, and the sealed design keeps the surrounding equipment clean. In application terms, the MSU-400 is suitable for uninterruptible power supply (UPS) systems, security systems, emergency lighting and video surveillance systems, access control systems, medical equipment, lawn mowers, golf carts, telecommunications facilities, alternative energy, and power supply networks and the energy industry. The model addresses professional scenarios such as telecom-grade standby power, where a steady and dependable backup supply is required. With its sealed safety design and gelled electrolyte technology as the core, it delivers a durable and reliable solution for critical standby power requirements, and its capacity rating of 400 Ah at the 10-hour rate supports longer discharge periods. The combination of corrosion-resistant alloy, efficient gas recombination and low self-discharge makes the MSU-400 suited to installations that must remain available for many years. The optional terminal types also give installers flexibility when the battery is assembled into a larger bank.

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