![]() ![]() For example, 3 group 31 110 amp hour lead acid batteries weighing a total of 200 pounds can be replaced by 2 group 31 size 100 amp hour LiFePO4 batteries weighing a total of 62 pounds. Also, LiFePo4 batteries will occupy up to 40% less space than equivalent lead acid batteries. Battery weight combined with useful power capacity means battery weight can be cut by more than half using LiFePO4 batteries. Because Lithium batteries can be safely be drawn down 90% vs 50%-60% for lead acid, fewer batteries are required to achieve the same power. A comparable lead acid battery is over twice that. Weight/power ratio - A typical 100 Ah LiFePO4 battery weighs about 31 pounds. Smartphone app for LiFePO4 Lithium Battery Monitoring "C" is the rated Amp Hour BMS Discharge Capacity (150 Amps) Our manufacturer has advised us that the quality of the cells and quality of the BMS is key to the longevity and performance of a LiFePo4 battery. ![]() This means the batteries can sustain a heavy discharge without damage or degradation. This means many appliances will operate more efficiently throughout the discharge cycle using LiFePO4 batteries.ĭischarge rate - The BMS built into our batteries has a 150 amp discharge capacity. A lead acid battery decreases in voltage from 13 to below 12 volts as more current is drawn. Lead acid batteries have an expected life of 300-700 charge/discharge cycles at a discharge to 50%.ĭischarge profile - LifePO4 batteries stay at a voltage of 13 to 13.4 volts during discharge of up to a 95+%. We prefer a higher maximum discharge rate of 150 Amps for marine applications for both house and start power.Īdvantages and Features of Our LiFePO4 Lithium Marine BatteriesĬharge/discharge cycles - LifePO4 batteries have an expected life of 2,000-4,000 charge/discharge cycles at a discharge to 90%. These batteries are also rated as to their maximum discharge capacity. A common LiFePO4 battery is rated at 100 amp hours and is roughly the size of a group 31 lead acid battery. The heat, charge and discharge of each cell is managed by the BMS, a computer built into each battery. Four of these units are connected together in series to form a rated 12.8 volt LiFePO4 battery. A number of cells are wired in parallel to form a module producing 3.2 volts. The quality of each component is key to the longevity and performance of the battery. Most LiFePO4 batteries are plug compatible with lead acid batteries and will accept a charge from most lead acid configured chargers.Ī LiFePO4 lithium battery has two primary components, the LiFePO cells and the Battery Management System (BMS). The cathode material in LiFePO4 batteries is not hazardous, and thus poses no negative health hazards or environmental hazards. ![]() LiFePO4 batteries are the safest type of Lithium batteries as they will not overheat, and even if punctured they will not catch on fire. ![]() This battery technology offers many advantages over lead acid technology including high capacity storage, delivery of consistent high power, longer cycle life, less weight, longer shelf life and rapid charging. LiFePO4 (lithium iron phosphate) is a lithium-ion battery technology that is safe, powerful and plug compatible with most lead acid battery charging systems. ![]()
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