PB-S5 PB-S5A Battery for AIWA px540 px550 px610 px720 x1000 ex3000 j501 px557

For AIWA rx70 px70 px610 px720 pl77. j501 px557 rx810 rx727 wr707 jI70 Walkman Series. jx810 jx828 jx849 jx929 px1000 ex3000. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.