The FOXSUR battery charger is designed to charge various types of batteries, such as lead-acid, AGM, gel, calcium, and lithium-ion batteries. Please refer to the user manual for specific battery compatibility and charging instructions.

Yes, the FOXSUR battery charger comes with an intelligent maintenance mode that ensures the battery is kept at an optimal charge level over extended periods. This feature prevents overcharging and helps prolong the battery's life.

The FOXSUR battery charger is designed with multiple safety features, including short-circuit protection, over-voltage protection, over-temperature protection, and reverse polarity protection. These features ensure safe and reliable charging for your batteries.

The FOXSUR battery charger is capable of charging batteries with a low voltage level. However, it is essential to note that severely discharged or damaged batteries may not respond to charging. In such cases, it is recommended to consult a professional or ｒｅｐｌａｃｅ the battery.

It is recommended to recharge the battery if the state-of-charge drops to 40-60%. And you can always connect the charger to the AC and the battery as there is an “Auto-detect” function of which the charger would start fresh the charge cycle after a set voltage level across the battery terminals

The time required to fully complete a charge cycle varies with a couple of factors, including the power output of the battery charger and the capacity, age or condition of the battery pack. General speaking, follow the C/5 rule to ｓｅｌｅｃｔ the best fit charger for the battery pack, i.e., Capacity (of the battery pack in ampere hour) divided by 5 would give you the charger of desirable charging performance while offering the best protection to the battery pack.