OPzS batteries are tubular batteries, they are 2V cells and large capacity, it is necessary to put them in series for a supply of 12, 24, 48V.
OPzS are open batteries, they are easy to use batteries with the best lifespan considering the price.
They accept a discharge rate of 80%, and easily withstand high current demands and rapid recharges. They also maintain proper capacity whether in hot or cold weather, however their lifespan will still be affected.
Their long shape will force you to place them in a safe if they are stored in areas prone to shaking (boats, camper vans, trucks).
These batteries are suitable for large needs in electricity, and autonomy.