GEL lead-acid batteries are designed to be more leak-resistant than traditional flooded lead-acid batteries. However, several factors can still cause them to leak.
- Overcharging: Excessive overcharging can cause the electrolyte to heat up and produce gas (oxygen and hydrogen). In a GEL battery, the electrolyte is in a gel form, which helps to recombine the gases, but if overcharging is severe, the pressure buildup can lead to venting or leaking.
- Physical Damage: Any physical damage to the battery casing can compromise the seals and cause the gel electrolyte to leak out.
- Improper Venting: If the pressure relief valves become faulty or blocked, the internal pressure can build up to a point where the battery casing may crack or rupture, causing a leak.
- Manufacturing Defects: Defects in the battery’s construction, such as poor sealing or faulty assembly, can also lead to leaks.
- Excessive Heat: Exposure to high temperatures can cause the gel electrolyte to expand, increasing internal pressure and potentially causing leaks.
- Old Age: As batteries age, the materials can degrade, leading to cracks or failures in the casing or seals.
To minimize the risk of leaks, it is important to properly maintain GEL lead-acid batteries, avoid overcharging, protect them from physical damage, and operate them within the recommended temperature ranges.
