12V120AH Rechargeable AGM Deep Cycle Battery

12V 120Ah Lead-Acid Battery for Solar Systems, UPS, and Marine Applications – High-Performance, Long-Lasting Energy Storage

Engineered for reliability and versatility, this 12-volt 120 amp-hour lead-acid battery is a trusted power solution across residential solar setups, uninterruptible power supplies (UPS), electric vehicles, marine propulsion, and off-grid emergency systems. Designed with advanced lead-calcium alloy technology and robust internal construction, it delivers consistent performance under diverse environmental conditions while maintaining low self-discharge rates—ideal for long-term storage in backup power applications.

Key Features:

• Optimized Voltage & Capacity: Delivers stable 12V output with a 120Ah capacity, making it suitable for high-demand DC power systems requiring sustained energy delivery over extended periods.
• Enhanced Safety Design: Constructed with explosion-proof and leak-resistant casing using premium polyethylene (PE) materials, ensuring safe operation even under extreme handling or temperature fluctuations.
• Wide Operating Range: Functions reliably from -20°C to +50°C, enabling deployment in both cold climates and hot environments without compromising efficiency or lifespan.
• Low Self-Discharge Rate: Maintains charge retention during prolonged idle periods—critical for emergency backup systems like DC UPS units that must remain ready at all times.
• High Cycle Life: Engineered for durability through optimized plate design and electrolyte formulation, supporting thousands of charge-discharge cycles when maintained properly.

This deep-cycle battery excels in applications where dependable, cost-effective energy storage is essential. Whether powering an off-grid solar array, serving as the core component in a commercial-grade UPS system, or providing reliable propulsion for boats and recreational vehicles, its rugged build ensures resilience against vibration, shock, and variable load demands. The battery’s physical dimensions vary slightly by brand—typically ranging between 330mm x 175mm x 215mm and 407mm x 173mm x 240mm—with weights generally falling between 33.5kg and 36.5kg, allowing flexible integration into existing installations.

Applications Include:

• Solar Energy Storage: Stores excess electricity generated by photovoltaic panels for use during nighttime or cloudy days, enhancing energy independence for homes and small businesses.
• Uninterruptible Power Supply (UPS): Provides immediate backup power during outages, protecting sensitive electronics such as servers, medical devices, and data centers from sudden shutdowns.
• Electric Vehicles & Golf Carts: Offers steady voltage and high current output for reliable propulsion in low-speed EVs, utility carts, and other battery-powered transport solutions.
• Marine & RV Use: Powers navigation lights, communication systems, and onboard appliances on boats, yachts, and campers, especially in remote locations without access to grid electricity.

Users report excellent value for money due to the battery's combination of affordability, longevity, and ease of maintenance. Many customers highlight how this unit has significantly reduced downtime in their solar installations and improved uptime in critical infrastructure. Its ability to perform consistently across seasonal changes makes it a preferred choice among professionals in renewable energy, facility management, and outdoor recreation sectors.

Frequently Asked Questions:

How long does a 12V 120Ah lead-acid battery last? With proper care—including regular charging, avoiding deep discharges below 50%, and storing in cool, dry conditions—it can provide 3–7 years of service depending on usage patterns and environmental factors.

Can I connect multiple batteries together? Yes, series or parallel configurations are possible for higher voltage or increased capacity needs, but always ensure same model, age, and state-of-charge before linking them to prevent imbalances and potential damage.

Is it safe for indoor use? While sealed lead-acid designs minimize gas emissions, adequate ventilation is recommended during charging to prevent hydrogen buildup, especially in enclosed spaces.

What distinguishes this battery from lithium-ion alternatives? Unlike lithium batteries, which require complex battery management systems (BMS), this lead-acid option offers simpler installation, lower upfront costs, and better tolerance to partial-state-of-charge cycling—making it ideal for users seeking straightforward, maintenance-friendly power storage.

For optimal performance, follow manufacturer guidelines regarding charging rates (typically 10–15% of Ah rating), periodic inspections, and cleaning of terminals to prevent corrosion. Always disconnect from loads before performing any maintenance tasks to avoid electrical hazards. This product is intended for adult users aged 18+ who understand basic electrical principles and safety practices.

Product Categories : Lead Acid Battery > 12V Lead Acid Battery