It is an object of the present invention to provide a separator which can improve the valve regulated lead-acid battery both in the pressure lowering prevention effect and the electrolyte stratification prevention effect, and a valve regulated lead-acid ba...

The device has a filler head (1), an acid reservoir, a thickener reservoir, metering pumps (6.1, 6.2) for acid, metering pumps (5.1, 5.2) for a thickener and a flowmeter for the thickener and acid. A receiver is provided for an accumulator cell (14), and a...

Electrolyte is placed into a cell in a fluid state. Solidification and formation of the active material are performed at the same time in the cell. The electrolyte is solidified into a gel form. The gel comprises a sol and an acid. Independent claims are i...

Device for filling pot (20) of a lead battery comprises: reservoirs (1, 2) enclosing sulfuric acid and mixture of water and gelling agent, respectively; containers (4, 5) each connected to one of the reservoirs and incorporating a piston (10, 11) for expel...