Battery protection board for vacuum cleaners — provides four essential safety functions to protect the battery, the appliance, and the user. Key benefits Prevents hazardous failures: actively avoids overcharging, short circuits, and excessive current that can cause battery swelling, fire, or irreversible damage. Preserves battery life and performance: prevents both overcharge and overdischarge so batteries retain capacity and can be recharged normally. Improves device reliability: rapid response to abnormal currents and short circuits helps ensure stable operation of the vacuum cleaner. Simple, automatic protection: the board works without user intervention — it cuts or reconnects the circuit as needed to keep the battery within safe limits. Core functions Overcharge protection: stops charging once the battery reaches safe voltage to prevent bulging and fire, extending battery service life and ensuring safe use of the vacuum cleaner. Overdischarge protection: automatically disconnects the battery when voltage falls too low to avoid deep discharge, preserving cell performance and enabling normal subsequent charging. Overcurrent protection: detects abnormally current draw and responds quickly to prevent internal damage from excessive current, protecting the battery structure and the vacuum's electronics. Shortcircuit protection: immediately cuts off current if a short circuit is detected, preventing battery damage, thermal events, or fire. Important attributes Function: continuous, automatic protection for charging and discharging phases. Compatibility: designed for use with battery packs and rechargeable cells typically used in vacuum cleaners; consult your device or pack specifications for fitment. Size and installation: compact PCB form factor for integration into battery packs or housings; intended to be installed inline with the battery circuit. Material and reliability: built from standard electronicgrade components and PCB materials to deliver consistent protective performance under normal operating conditions. Performance: fastacting protective circuits that disconnect and reconnect power as needed to maintain safe battery operation. Typical use scenarios Household deep cleaning: during extended run times or rapid recharges, the protection board prevents overcharge and overcurrent events that can shorten battery life or create safety risks. Storage and idle periods: automatic overdischarge cutoff preserves battery health when the vacuum is unused for long periods, avoiding battery damage and ensuring the unit charges normally when next used. demand tasks or workshop use: when the motor or attachments draw large currents, overcurrent protection protects both the battery and the vacuum's internal components from harmful current spikes. Installation and operation notes The protection board operates automatically; no user maintenance is required beyond correct installation. For results, install the board according to your battery pack or vacuum cleaner manufacturer guidelines and confirm electrical compatibility before use. Designed to complement safe charging practices and proper use of the vacuum cleaner; it is not a substitute for correct battery handling or approved charging equipment. This protection board delivers reliable, automatic safety functions—overcharge, overdischarge, overcurrent, and shortcircuit protection—to keep vacuum cleaner batteries safer, healthier, and more dependable in everyday use.