To provide a gelatinous electrolyte suitable for a nonaqueous battery of lithium-ion battery or the like.

In the gelatinous electrolyte composed of matrix polymer, nonqueous solvent and lithium inorganic salt, this is the gelatinous electrolyte for polymer battery in which the matrix polymer contains a chemically crosslinked compound consisting of N-vinylamide series compound as shown in the equation (1), and alkylene oxide compound containing two radically polymerizable functional groups as shown in the equation (2). In the equations, R1: H, alkyl; R2: H, alkyl, aryl, acyl, alkenyl, cycloalkyl or aralkyl; R3: radically polymerizable functional group; R4, R5: H, C1-5 alkyl; n:1-50.