Electric Mosquito Swatter Circuit Board with COB Lamp Protection and 4V Lead-Acid Battery Replacement Part for Bug Zapper Racket

This electric mosquito swatter circuit board features integrated COB lamp protection and a 4V lead-acid battery for reliable insect elimination. Designed as a direct replacement for handheld bug zapper rackets, the board delivers high-voltage output to instantly kill mosquitoes, flies, and other flying pests on contact. The COB LED provides bright illumination for nighttime use while the protection circuit prevents overcharging and short circuits. Compact design fits most standard swatter housings, making installation straightforward for DIY repairs. Ideal for maintaining or upgrading existing electric fly swatters in homes, patios, camping trips, and outdoor gatherings.