l·【Capacity Expansion】- : KEPWORTH 24V 60AH LiFePO4 battery can be connected in parallels and in series for larger capacity and voltage. Max connection in series: Up to 3 identical batteries for up to 72V connecting in series. Connection in parallels: it can connect multiple batteries, suggest no more than 4pcs in parallel. l·【AUTOMATIC BMS AND MAINTENANCE-FREE】: The built-in Smart Battery Management System (BMS) protects your battery from Over Charge and Discharge, Over Current, Short Circuiting, as well as Low and High Temperature for increased performance and longer life. The BMS will automatically cut off the battery when the voltage drop below 2.3V. Battery will automatically reactivate after higher voltage input. l·【BUILT TO LAST】- : KEPWORTH 24V 60AH LiFePO4 Batteries live more than 2000 cycles at 100%/8000 cycles at 50%(Suggested) depth of discharge, without decreasing in performance. The average lifetime of lead-acid batteries is about two years(500 cycles) at just 50% discharge. This basically means a LiFePO4 battery will last you at least 5 times longer than a lead-acid battery, which actually reduces overall cost. l·【Lightweight】-: KEPWORTH 24V 60AH LiFePO4 Battery Weighting only 12.2KG, it’s weighs only 1/3* the weight of lead acid batteries. LiFePO4 battery is 50% lighter than lead acid battery with the same capacity. l·【SAFE AND ENVIRONMENTALLY FRIEDNLY】-: Made from 100% safe, nontoxic, not hazardous energy, KEPWORTH LiFePO4 battery has higher chemical stability, it is not prone to thermal runaway and will not overheat or catch on fire even if punctured. With no acid in the battery, you're able to safely mount in any position. BUT please read the user manual carefully before using, don't hesitate to contact us if you have any questions about the battery. Specifications: Certificate: CE ROHS MSDS UN38.32.Upgrade Parts/Accessories: Grade A3.Material: Lithium iron phosphate4.Max continuous charge current: 1C5.Max continuous discharge current: 1C6.Peak discharge current: 2C in three to five seconds7.Voltage: 24V8.Maximum protection voltage: 29.2V9.End Voltage: 20V10.Terminal: M811.Charging temperature: 0℃-45℃12.Discharge temperature: -20℃-60℃13.Storage temperature: -20℃-45℃