FourVolt pretty much copied the Battle Born FAQ with a few changes coz that's what scammers do.
No phone number, address, email or usual info that real companies have on their websites.
So many red flags.
Can your LiFePO4 batteries be connected in parallel? Yes - while our biggest size available is only 100Ah, you are able to connect multiple of these in parallel to increase capacity. Can your LiFePO4 batteries be connected in series? We do not recommend connecting our batteries in series...
fourvolt.com
What if the batteries get wet?
Our batteries are
fully sealed and can handle being in a moist environment, but like any other electronics you should not submerge them
completely in water.
We've compiled facts, frequently asked questions & tutorials to help answer any questions you may have about lithium-ion batteries.
battlebornbatteries.com
The batteries are sealed and can handle being in a moist environment, but like any other electronics you should not submerge them in water.
What is a BMS? FourVolt FAQ
BMS stands for battery management system, this is the brain of our deep cycle lithium battery. The BMS protects the lithium cells from getting damaged in several scenarios. From low or high voltage, low or high temperatures, or if there is a short in the system. The BMS will shut off the battery to protect the li-ion cells and the user of the battery from unsafe operating conditions..
https://battlebornbatteries.com/what-is-a-bms/
BMS stands for battery management system, this is the brain of our deep cycle lithium battery. The BMS protects the lithium cells from getting damaged in several scenarios. From low or high voltage, low or high temperatures, or if there is a short in the system. The BMS will shut off the battery to protect the li-ion cells and the user of the battery from unsafe operating conditions.
Do you need a special charger for LiFePO4? FourVolt FAQ
You do not need a special charger to charge your LiFePO4 battery. These batteries prefers to bulk charge at 14.4 volts and float at 13.6 volts. Most standard chargers can handle these settings.
There are some specific lithium chargers available which can charge faster than a regular charger, but in most cases your current charger should handle lithium without issue.
You can buy a faster charger for LiFePO4 but you do not need to, they will charge on most standard chargers
battlebornbatteries.com
You do not need a special charger to charge your LFP deep cycle battery. As I mentioned above the battery prefers to bulk charge at 14.4 volts and float at 13.6 volts. Most standard chargers can handle these settings.
There are some made for lithium chargers available on our store page and they will charge faster than a regular charger in most cases.
Protection against shocks/vibrations?
Our batteries are constructed with the highest quality components available. They are designed to withstand vibration and shocks while working for thousands of cycles.
We can highly recommend our batteries for RV / Boat-use without any cause for concern what-so-ever.
Our battery is
assembled in Reno, NV and constructed with the highest quality components available. It is designed to withstand vibration and keep working for thousands of cycles. You will need to check your connections from time to time to make sure they maintain good contact from cable to battery.
etc, etc, etc