Battery Charging Hazard Sign

Battery Charging Hazard Sign – ISO 7010 Warning Symbol HS0028

This Battery Charging Hazard sign warns crew and contractors that batteries on charge nearby can vent explosive hydrogen gas and leak corrosive acid, both of which present a real risk in an enclosed compartment. It follows the internationally recognised ISO 7010 warning pictogram format, showing a battery with rising fumes and a pooling spill on the standard photoluminescent yellow triangle so the battery charging hazard reads instantly regardless of the reader’s first language.

As SKU HS0028 in the Hazard Signs range, it is built for continuous marine exposure and suits battery lockers, emergency battery banks, lifeboat battery compartments and any space where batteries are regularly placed on charge.

The pictogram shows a battery casing with curling fumes rising from the terminals and a pool of liquid spreading beneath it, rendered in black inside the warning triangle, a graphic that communicates both the gassing and acid leak risk of battery charging in a single image.

Because hydrogen gas builds up gradually and is invisible, the sign gives an essential reminder that naked flames, sparking equipment and unventilated conditions must be avoided around batteries on charge. The photoluminescent base keeps the battery charging hazard warning visible for a period after lighting fails, which matters in enclosed lockers with limited natural ventilation and lighting.

Why Battery Charging Hazard Marking Matters

A battery charging hazard left unmarked can lead to a hydrogen gas ignition or an acid burn from an unnoticed leak, both of which are preventable with basic ventilation, PPE and ignition source control. Standardised signage at every battery locker and charging point reminds crew to keep hot work and open flames away, check ventilation before starting a charge cycle, and use appropriate gloves and eye protection when handling batteries. It also warns visiting contractors and new crew who may not know which compartments aboard a particular vessel house battery charging equipment.

Compliance and Certification

This sign is produced to align with IMO shipboard safety signage guidance and the ISO 7010 graphical symbol set used to flag battery and electrical storage hazards across the maritime industry, supporting the ISM Code’s requirement for documented control of gassing and acid handling risks aboard vessels. A visible battery charging hazard warning at lockers and charging stations is a documented control that classification surveyors and internal safety auditors look for when reviewing a vessel’s electrical and battery safety arrangements.

Installation Recommendations

Mount the sign directly on or beside the battery locker door or charging station, at eye level so it is seen before entry or before connecting a charger. Use the pre-drilled fixing holes with marine-grade fasteners for exterior and high-vibration compartments, and the self-adhesive backing for interior cabinet doors and battery box lids. Check the sign periodically for acid staining or corrosion damage, replacing it promptly if the pictogram becomes difficult to read, since a battery locker is exactly the kind of compartment where signage takes the most punishment over time.

• 425 x 425mm rigid or self-adhesive format for steel, aluminium or GRP surfaces
• Photoluminescent base for visibility during power loss or blackout drills
• UV-stable, acid-resistant construction suited to battery locker conditions
• Self-adhesive or pre-drilled fixing options for fast, secure installation
• ISO 7010 compliant battery pictogram, language-independent and instantly recognisable

Order the HS0028 Battery Charging Hazard sign today to mark every battery locker before your next electrical safety audit. Safety Sign Hub stocks the complete IMPA/ISSA-coded hazard sign range and ships marine-grade signage across Australia and to vessels in port, with bulk pricing for fleet orders.

See the full Hazard Signs range for related ISO 7010 warning pictograms, or browse our Fire Fighting Signs for IMO A.654(16) fire control signage to complete your vessel’s safety signage plan.