2V400Ah AGM sealed AGM Battery

2V 400Ah Lead-Acid Battery – High-Performance, Long-Life Energy Storage Solution for Industrial and Renewable Applications

Discover the reliability and durability of a 2V 400Ah lead-acid battery, engineered for demanding power systems and sustainable energy storage environments. Designed with advanced technology and built to last, this deep-cycle battery delivers consistent performance across diverse industries—from telecom infrastructure to solar energy solutions. Whether you're powering backup systems or optimizing renewable energy integration, this product ensures stable voltage output, efficient charging, and extended operational life.

Key Features That Set This Battery Apart:

Engineered for longevity, these sealed valve-regulated lead-acid (VRLA) batteries offer a service life of up to 16 years under optimal conditions—ideal for long-term investment in critical power applications. With an ultra-low self-discharge rate of less than 1.8% per month at room temperature, even after extended storage periods, they maintain high charge retention without frequent recharging. The uniform capacity distribution among cells ensures balanced voltage levels, reducing system stress and enhancing overall efficiency. These batteries operate reliably across extreme temperatures ranging from -40°C to +60°C, making them suitable for both arctic installations and hot desert environments. Their robust sealed design prevents leakage, eliminates corrosion risks, and allows flexible mounting positions—including horizontal or vertical placement—without compromising safety.

In addition to exceptional environmental resilience, the 2V 400Ah unit features superior electrical conductivity through copper-plated silver terminals, enabling rapid discharge and efficient current transfer during peak load demands. Advanced oxygen recombinant technology minimizes water loss and supports maintenance-free operation, while an integrated explosion-proof venting mechanism enhances safety by safely releasing excess gas pressure during overcharging scenarios. Fast recharge capability reduces downtime significantly, allowing quicker recovery of stored energy—a crucial advantage in emergency power setups and off-grid solar installations.

Applications Across Global Industries:

This versatile 2V 400Ah battery is widely adopted in uninterruptible power supply (UPS) systems for data centers, telecommunications base stations, and remote substations where uninterrupted electricity is essential. It serves as a core component in photovoltaic (PV) solar energy systems, wind farms, and hybrid renewable energy storage units, providing reliable backup power when grid connectivity is unavailable. In industrial settings such as medical facilities, instrumentation panels, control switches, and lighting systems, it offers dependable support for mission-critical operations. Its ability to function efficiently in harsh climates makes it ideal for deployment in mining, transportation, and military logistics sectors worldwide.

User Experience Highlights:

Users consistently praise its ease of installation, minimal maintenance requirements, and long-term cost-effectiveness compared to other battery types. Many report seamless integration into existing power infrastructures with no need for specialized tools or expert calibration. Professionals in the field appreciate the battery’s predictable behavior under varying loads and its resistance to degradation over time—even in challenging weather conditions. For those seeking a durable, eco-conscious solution that balances performance with sustainability, this 2V 400Ah lead-acid battery stands out as a trusted choice.

Frequently Asked Questions:

How long can I expect this battery to last? With proper care and regular charging cycles, most models deliver 12–16 years of reliable service, especially in controlled indoor environments.

Can I use it in cold climates? Yes, it functions effectively down to -40°C, though insulation measures are recommended in sub-zero regions to prevent reduced performance.

Is it safe to store uncharged? While designed for low self-discharge, storing for more than 3 months without charging may affect capacity. Always top up before extended storage.

What should I avoid during handling? Avoid contact with skin or eyes—electrolyte contains sulfuric acid which can cause chemical burns. Use protective gear and ensure good ventilation during handling.

Does it require special charging equipment? Standard smart chargers compatible with VRLA technology work well; however, using a dedicated 2V 400Ah charger ensures optimal lifespan and efficiency.

Why choose this over lithium-ion alternatives? While lithium options offer higher energy density, lead-acid variants like this one provide better thermal stability, lower upfront costs, and proven reliability in large-scale industrial deployments.

Whether you’re upgrading your existing power infrastructure or designing a new energy storage project, the 2V 400Ah lead-acid battery delivers unmatched value, safety, and performance for global users aged 18 and above.

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