More Detail:
1. Car battery 12v 120ah Lead-acid batteries for automotive use are made with slightly different construction techniques, depending on the application of the battery.
2. The "flooded cell" type, indicating liquid electrolyte, is typically inexpensive and long-lasting, but requires more maintenance and can spill or leak.
3. Flooded batteries are distinguished by the removable caps that allow for the electrolyte to be tested and maintained.
4. More costly alternatives to flooded batteries are "valve regulated lead acid" VRLA batteries, also called "sealed" batteries.
5. The absorbed glass mat (AGM) type uses a glass mat separator, and a "gel cell" uses fine powder to absorb and immobilize the sulfuric acid electrolyte.
6. These batteries are not serviceable: the cells are sealed so the degree of charge cannot be measured by hydrometer and the electrolyte cannot be replenished.
7. They are typically termed "maintenance-free" by proponents, or "unable to be maintained" by skeptics.
8. Both types of sealed batteries may be used in vehicular applications where leakage or ventilation for vented gasses is a concern.
9. The starting (cranking) or shallow cycle type is designed to deliver large bursts of power for a short time, as is needed to start an engine.
10. Once the engine is started, the battery is recharged by the engine-driven charging system. Starting batteries are intended to have a low depth of discharge on each use.
11. They are constructed of many thin plates with thin separators between the plates, and may have a higher specific gravity electrolyte to reduce internal resistance.
Competitive Advantage:
1 Super CCA Performance
2 Low Self-discharge
3 Extended Battery Life
4 High Temperature Resistant
5 Extra Safety
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