Is Heating Normal When Charging a Walk‑Behind Electric Stacker? Full Safety Guid

Users of fully electric walk‑behind stackers may notice that the battery or charger becomes slightly warm during charging, which often causes concerns about potential malfunctions. In fact, mild heating is a normal occurrence, but excessively high temperatures require immediate attention to prevent battery damage and safety hazards. Here we cover the key charging precautions for small electric stackers.

1. Is Charging Heating Normal?

Mild heating: The charger and battery feel warm to the touch and can be held comfortably for a long time. This is completely normal during charging.

Severe overheating: Hot to the touch, strange odors, casing deformation, smoking or battery swelling are abnormal signs. Charging must be stopped immediately.

Generally, both lead‑acid batteries and lithium batteries produce heat in the middle and late stages of charging. Temperatures within approximately 50°C are considered safe.

2. Safety Charging Precautions for Small Electric Stackers

Always use the original matching charger; do not mix different models.

Charge only in a well‑ventilated, dry area away from fire and flammable materials.

Avoid charging in high‑temperature environments, direct sunlight or rainy outdoor conditions.

Connect the battery connector first, then plug in the power supply. When fully charged, disconnect the power before unplugging the battery.

Avoid overcharging; disconnect power once fully charged, as prolonged overcharging may cause overheating and swelling.

Do not fully drain the battery before recharging. The optimal charging point is around 20% remaining power.

If abnormal noise, strange odors or excessive overheating occurs during charging, cut off power and inspect immediately.

For long‑term storage, recharge the battery monthly to prevent damage from over‑discharging.

Do not cover the battery or charger; ensure sufficient heat dissipation.

Keep the charging area clear of people and debris to maintain a safe space.

3. Stop Use Immediately in These Situations

Battery swelling, deformation or leakage

Persistent high temperature and burning heat during charging

Burning smell or smoke coming from the charger

Failure to start after long charging or rapid power loss

If any of these issues occur, contact the original manufacturer of promptly for battery replacement or maintenance to avoid safety risks from continued use.