Q: " How big is the battery? "
A:"Dear Customer, The dimensions of Timeusb 12V 410Ah LiFePO4 battery are as follows: L20.47*W10.59*H8.66inch L520*W*269*H220mm By Timeusb Customer Service Team."
A:"Dear Customer, Timeusb 12V 410Ah LiFePO4 Battery has built-in 250A BMS, which could support 250A max. continuous charge/discharge current, 3200W max. continuous load power, and has max.5248Wh energy. By Timeusb Customer Service Team."
Q: Does the bms have bluetooth control?
A:"Dear customer, Timeusb 12V 410Ah LiFePO4 battery doesn’t has Bluetooth control feature. This battery BMS features high temperature, overcharge, over-discharge, over-current and short circuit protections. When the protections are activated, the battery is shut down. And you can easily monitor the battery’s state of charge by testing the battery voltage. By Timeusb Customer Service Team."
Q: How to float charge the battery?
A:"Dear customer, The Timeusb 12V 410Ah battery is a LiFePO4 battery that has two charging phrases and it doesn’t need to be float charged. But if your MPPT charger needs to be set a voltage at float charge to work properly, we recommend setting it at 13.8V. Please contact us for more detailed support. By Timeusb Customer Service Team."
Q: What is the maximum continuous discharge current for two 12v 410ah batteries in series?
A:" Dear Customer, Thank you so much for reaching out. For 2*12V 410Ah battery in series, the maximum continuous discharge current will be 250A at 12.8V which is 3200W. Please contact for further assitance. From Timeusb Service Team "
Q: Does the battery automatically stop charging in low temperatures?
A:"Dear Customer, Thank you so much for reaching out. Timeusb 12V 410Ah battery has Over-Charge, Over-Discharge, Short Circuit, Over-Current, High-Temp protection. However, it doesn't have low-temp protection and cannot stop automatically when the temperature is not suitable for charging. Please contact us for further support. From Timeusb Service Team "
Q: Can I stand the 410ah on end because of room constraints in my rv?
A:Dear Customer, For 12v 410Ah battery, any orientation except for installing the battery with its top surface (terminal post bolts) and its front side upside down. Further question about this issue, please contact us on Amazon through Buyer-Seller Message. We will provide you with a specific description. Thanks in advance.From Timeusb Service Team