![]() OPTIMA Batteries 8020-164 35 RedTop Starting BatteryĪCDelco Gold AUX14-200 36 Month Warranty Auxiliary AGM 200 CCA BatteryĪCDelco Gold 47AGMA 36 Month Warranty AGM BCI Group 47 lead acid agm Battery GOOLOO New GP2000 Jump Starter, 12V 2000A Car Jumper Starter(Up to 8.0L Gas, 6.0L Diesel Engines). Jump Starter Car Battery Charger Portable 1600A Peak 18000mAh 12v Jump Power Booster Pack Up to All. Gypsy color The Original 4 Light Crystal White Hardwire Flush Mount Chandelier H17.5”xW15”. Interstate Batteries Group 24F Car Battery Replacement (MTP-24F) 12V, 750 CCA, 30 Month Warranty. Continue to learn more about batteries and battery technology here on Pete\’s Blog.Weize Platinum AGM Battery BCI Group 49-12v 95ah H8 Size 49 Automotive Battery, 160RC, 900CCA, 36.ĪCDelco Gold 49AGM 36 Month Warranty AGM BCI Group 49 Battery For an example tests have shown that when discharged to 50% of rate capacity fairly common in a deep cycle application gel batteries took twice as long to reach full charge as compared to lifeline AGM battery. This means it takes longer to recharge gel batteries. The charge acceptance of gel batteries is also less than that of Lifeline AGM batteries. With Lifeline AGM batteries tests have shown that increasing the charging voltage one-volt above the recommended charging voltage results in only a 20% reduction in the life cycles. Their ability to recombine the hydrogen and oxygen gases back in the water is more efficient. Lifeline AGM batteries are more forgiving and overcharged conditions. The reason for this effect is the limited oxygen recombination capability of gel batteries. 7 V higher than the recommended level, the cycle life will be reduced by 60%. For example one manufacture of gel batteries claims that if the charging voltage is. If the charging voltage is not controlled within a very tight range relative to the batteries temperature, the life of the battery will be adversely affected. Gel batteries are also more sensitive to charging voltage. The closer plate spacing gives the AGM battery a lower internal resistance, making it more charge efficient and giving better power performance on discharge, especially in low temperatures. Since it is easier to fill a container with a liquid then a semisolid, AGM batteries require less space between battery plates. Electrolyte remains immobilized even when the batteries exposed to severe vibration, so electrolyte spillage or leakage is prevented. Shrinkage of the separator does not occur as the battery ages and electrolyte remains in direct contact with the plates. This same effect gradually occurs even at normal room temperatures.īy contrast, AGM batteries employ glass microfiber mat separators that hold the liquid electrolyte like a sponge. In high temperature environments semisolid electrolyte develops cracks and voids that reduce contact between the plates and causes the battery to lose capacity. Handling and vibration exposure are operational factors that can cause the silica and acid mixture to separate as there is no chemical bond. The electrolyte is difficult to keep homogeneous and the solid silica can separate from the acid, creating a “flooded” battery. The gel product employs a highly viscous semisolid mixture of silica gel and dilute sulfuric acid in a colloidal suspension as an electrolyte. Concorde manufactured gel batteries for many years before developing the AGM technology and therefore is aware of the inherent deficiencies associated with gel batteries. Gel batteries have been commercially available since the early 1970s and are still offered by some manufacturers today.
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