Description
12V 100Ah Gel Battery
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Maintenance-Free Operation: Sealed valve-regulated design eliminates water top-ups and terminal cleaning—install it and forget it .
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Compact Power: 100Ah capacity in a manageable size, ideal for systems with limited space .
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Deep Cycle Design: Engineered for daily charge-discharge cycles in solar applications .
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Safe & Spill-Proof: Gel electrolyte immobilizes the acid—no liquid spills even if tilted or bumped .
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Versatile Installation: Can be mounted in homes, vehicles, caravans, or enclosed cabinets without ventilation concerns .
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Reliable Performance: Designed for years of service with proper charging and depth of discharge management .
12V 100Ah Gel Battery Technical Specifications
| Specification | Value |
|---|---|
| Nominal Voltage | 12V |
| Nominal Capacity (10HR) | 100Ah (10A discharge to 1.80V/cell at 25°C) |
| Capacity at 5HR | 85Ah (17A) |
| Capacity at 3HR | 75Ah (25A) |
| Capacity at 1HR | 60Ah (60A) |
| Dimensions (L x W x H) | 330mm x 171mm x 220mm (±2mm) |
| Weight | Approx. 30-33kg depending on manufacturer |
| Terminal Type | M6 or M8 bolt-and-nut copper terminal |
| Internal Resistance | ≤5mΩ fully charged |
| Max Discharge Current | 1000A (5 seconds) |
| Cycle Charging Voltage | 14.1V – 14.4V at 25°C |
| Standby Charging Voltage | 13.5V – 13.8V at 25°C |
| Max Charge Current | 25A – 30A |
| Operating Temperature | Discharge: -20°C to 60°C / Charge: 0°C to 50°C |
| Self-Discharge | <3% per month at 25°C |
| Design Life | 8-12 years (float service at 25°C) |
What Is Gel Technology?
Gel batteries are valve-regulated lead-acid (VRLA) batteries where the electrolyte is mixed with fine silica particles to form a thick, immobilized gel . Unlike flooded batteries containing liquid acid, gel batteries have no free liquid inside—the electrolyte remains solid between the plates .
This design offers practical benefits for smaller solar installations:
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No Maintenance: Never add water, check specific gravity, or clean acid spills .
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Safe Indoors: Can be installed in living spaces without ventilation concerns .
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Position Flexible: Mount upright or on side as space allows .
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Vibration Resistant: Ideal for mobile applications like caravans and boats .
Cycle Life Expectations
The longevity of your 12V 100Ah gel battery depends on depth of discharge (DoD):
| Depth of Discharge | Expected Cycles |
|---|---|
| 30% DoD | 1800 – 2200 cycles |
| 50% DoD | 750 – 1100 cycles |
| 80% DoD | 500 – 600 cycles |
For optimal lifespan, we recommend limiting daily discharge to 50% or less.
Applications
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Small Solar Systems: Store energy from solar panels for lighting, phone charging, and small appliances .
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UPS Backup: Provide reliable backup for computers, WiFi routers, and security systems .
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Caravans & Campers: Power lights, fridges, and entertainment systems on the road .
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Boats & Marine: Safe, maintenance-free power for onboard electrical systems .
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Gate Motors: Reliable power for automated gate openers .
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Security Systems: Backup power for cameras and alarm systems .
Installation Guidelines
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Location: Install in a clean, dry area away from direct sunlight and heat sources. Cool temperatures extend battery life.
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Ventilation: No special ventilation required, but ensure some airflow to prevent heat buildup .
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Connections: Tighten terminals securely (6-8 Nm) and apply anti-corrosion spray or petroleum jelly .
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Cabling: Use appropriately sized cables—for a 100Ah battery, 16mm² or 25mm² cable is typically sufficient depending on load .
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Series/Parallel: For 24V systems, two 12V batteries can be connected in series. Batteries must be matched in age, type, and capacity.
Charging Recommendations
Proper charging is essential for gel battery longevity:
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Use a Gel-Compatible Charger: Gel batteries require specific voltage settings—do not use chargers designed for flooded batteries or AGM without checking compatibility .
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Charge Voltage: Set absorption voltage to 14.1V-14.4V and float voltage to 13.5V-13.8V (temperature compensated) .
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Temperature Compensation: Adjust voltage by -30mV/°C for charging as temperature varies from 25°C .
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Charge Current: Limit to 25A-30A maximum for this 100Ah battery (0.25C-0.3C) .
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Equalization: Do not equalize gel batteries unless specifically recommended—excessive voltage damages gel cells .
Maintenance
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Visual Inspection: Check terminals monthly for corrosion and tightness .
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Clean Surface: Keep battery top clean and dry to prevent self-discharge .
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State of Charge: Monitor voltage regularly. A rested battery at 12.7V+ is fully charged; 12.0V indicates approximately 50% discharge .
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Storage: If storing long-term, recharge every 3-6 months to prevent sulfation .
Why Choose a 100Ah Gel Battery?
The 12V 100Ah gel battery is a popular choice for smaller installations in our area:
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Manageable Size: Easy to transport and install—one person can handle it comfortably .
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Safe for Indoor Use: Perfect for homes, offices, and caravans where flooded batteries aren’t suitable .
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Versatile: Powers everything from weekend camping trips to essential home backup .
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Cost-Effective: Entry-level deep-cycle protection without breaking the budget .
Contact Us
Ready to power your small solar system or backup application with reliable gel technology? Contact our team today for expert advice, pricing, or to discuss your specific requirements.
📞 Call / WhatsApp: 0794485343
📧 Email: info@globussolar.com
🌐 Web: www.globussolar.com
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