The TOP POWER MH1250 F1 is a 12-volt 5Ah sealed lead-acid battery that is brand new and ready to replace your existing battery. This is a 12-volt (12v) battery. You should ensure that your current battery is a 12v battery. You can combine multiple 12v batteries in series if your equipment needs a higher voltage. The capacity of the battery is measured in amp hours (Ah), and this is a 5Ah battery. This battery has an F1 terminal. All SLA batteries are maintenance-free, can be used in any orientation, and are leakproof. They are exceedingly safe because they use a valve regulator to safely vent pressure.