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In a battery system, the system is more stable the fewer batteries there are.
A single 24-volt battery is more stable than two 12-volt batteries connected in series to form a 24-volt battery pack due to the voltage difference between the battery terminals. Therefore, we prefer using a single 24-volt battery.

Although it is normally safe to leave a LiFePO4 battery on the charger, as both the charger and the battery have a BMS that prevents overcharging, it is still recommended to monitor the charging process.

Yes, LiFePO4 (lithium iron phosphate) is one of the safest and most stable types of lithium batteries available today. Power Queen lithium cells are UL certified, ensuring the highest level of safety and sustainability. Every Power Queen LiFePO4 battery features a battery management system (BMS) that provides comprehensive protection against a range of hazards. These include undervoltage during discharge, overvoltage during charging, overcurrent during discharging, overtemperature during both charging and discharging, and short circuits, preventing damage to the battery cells. Furthermore, Power Queen LiFePO4 batteries have been thoroughly tested and confirmed to pose no risk of fire or electric shock, even under extreme conditions.

The Power Queen LiFePO4 lithium battery has approximately twice the usable capacity of lead-acid and AGM batteries. Therefore, if you want more usable battery life (amperes), switch to a battery with the same (or a higher) amperage rating. For example, replacing a 100-amp battery with a Power Queen 12V 100Ah LiFePO4 lithium battery will give you almost twice the usable amperage while weighing only half as much. If you want a battery that is small, light, and economical, then replace the 100-amp battery with a Power Queen 12V 50Ah LiFePO4 lithium battery. You will get approximately the same amount of usable amperage (time) but will be cheaper and weigh only about one-sixth as much.

Please note that your battery may have a low state of charge (SOC) upon delivery due to transport and storage. To prevent deep discharge, we recommend charging the battery immediately using an AC-DC lithium battery charger or an MPPT solar charge controller.

If you intend to store the battery for an extended period, we recommend charging it to a state of charge (SOC) of 30 to 50% and performing maintenance every three months. These measures will help ensure that the battery functions well and performs optimally in the long term.

No, Power Queen LiFePO4 lithium batteries are designed for energy storage and not for starting devices. Therefore, please do not use them to start devices.