Recharging Sealed Lead Acid Batteries
The sealed lead acid (LA) batteries supplied by PANAVISION for the purpose of powering cameras and camera accessories are far removed from the lead acid type batteries used for automobiles. Unlike the common lead acid battery the sulphuric acid electrolyte of LA batteries is solid and cannot be spilled. From the outside they look very similar to cylindrical type Nicad batteries but that is where the similarity ends.
The nominal voltage of LA cells is 2 volts. Twelve LA cells are required to make up a 24v battery compared to twenty Nicad cells.
LA batteries must be charged at approximately 2.5v per cell using a constant voltage charger. For this reason constant current chargers designed to be used with Nicad ...
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