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Lead - acid battery energy solutions
 Comparison with lithium battery solutions: Characteristics Lead - acid battery (AGM/GEL) Lithium battery (Lithium iron phosphate LFP) Remarks Energy density Low (30 - 50 Wh/kg) High (100 - 200 Wh/kg) Lithium batteries are lighter and smaller Cycle life Short (300 - 800 times) Long (2000 - 5000 times) Lithium batteries may have lower life - cycle costs Cost (initial) Low High Lead - acid batteries have an obvious initial advantage Safety High (non - flammable) Requires BMS protection (risk of thermal runaway) Lead - acid batteries are more stable Charging speed Slow (6 - 8h) Fast (1 - 2h) Lithium batteries are more efficient Maintenance requirements Maintenance - free or low - maintenance Maintenance - free Both are convenient for maintenance Environmental protection and recycling Mature recycling system (>99%) Recycling system is still under development Recycling of lead - acid batteries is an advantage Applicable environment Poor high - temperature performance and poor low - temperature performance Good high - temperature performance and good low - temperature performance Lithium batteries have stronger adaptability Depth of discharge (DoD) It is recommended not to exceed 50% Can reach 80% - 90% Lithium batteries have more available capacity
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