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A leadacid battery is a type of rechargeable battery that uses lead and lead oxide electrodes with a sulfuric acid electrolyte. It is one of the oldest and most reliable battery technologies, widely used in various applications due to its cost-effectiveness and robustness.
| Parameter | Value | Unit |
|---|---|---|
| Nominal Voltage | 12 | V |
| Capacity (C20) | 100 | Ah |
| Internal Resistance | ≤ 4 | mΩ |
| Operating Temperature | -20 to 50 | °C |
| Cycle Life (80% DOD) | 1200 | Cycles |
| Weight | 30 | kg |
| Dimensions (L x W x H) | 330 x 172 x 220 | mm |
Leadacid batteries offer several benefits compared to newer technologies like lithium-ion or nickel-metal hydride. They are more affordable, have a well-established recycling process, and perform reliably in a wide range of temperatures. Their simplicity in design makes them easy to manufacture and maintain, ensuring consistent quality and availability.
How long does a leadacid battery typically last?
The lifespan of a leadacid battery depends on usage, maintenance, and environmental conditions. Under normal conditions, with proper care, it can last between 3 to 5 years. Regular charging, avoiding deep discharges, and keeping it at moderate temperatures can extend its life.
Can I use a leadacid battery for solar energy storage?
Yes, leadacid batteries are commonly used in solar energy systems due to their ability to handle deep cycles and provide reliable power. They are cost-effective and suitable for off-grid and backup applications, though it's important to use deep-cycle variants designed for such use.
What maintenance is required for a leadacid battery?
Maintenance includes checking electrolyte levels (for flooded types), ensuring terminals are clean and tight, and performing equalization charges periodically. Sealed leadacid batteries are maintenance-free but still benefit from routine voltage checks and proper charging practices.
Are leadacid batteries environmentally friendly?
Leadacid batteries are highly recyclable, with up to 99% of the materials being reusable. Proper disposal and recycling programs are widely available, reducing environmental impact. However, they contain lead and acid, so handling and recycling must follow safety regulations to prevent pollution.
What is the difference between flooded and sealed leadacid batteries?
Flooded leadacid batteries have liquid electrolyte and require periodic topping up with distilled water, while sealed types (like AGM or gel) are maintenance-free with immobilized electrolyte, making them leak-proof and suitable for applications where ventilation is limited.
How should I store a leadacid battery when not in use?
Store the battery in a cool, dry place at full charge. For long-term storage, recharge it every 3 to 6 months to prevent sulfation, which can reduce capacity and lifespan. Avoid storing in discharged state to maintain health.
Can leadacid batteries be used in extreme temperatures?
Leadacid batteries perform well in a range of temperatures but extreme cold can reduce capacity and slow chemical reactions, while high heat can accelerate aging and increase water loss. It's best to operate within -20°C to 50°C for optimal performance.
What does C20 capacity mean in leadacid batteries?
C20 capacity refers to the battery's ampere-hour (Ah) rating when discharged over 20 hours. For example, a 100Ah battery discharged at 5A will last 20 hours. This standard helps compare batteries under typical usage conditions.
