Flame-arresting vent caps for flooded lead-acid batteries. Prevents external combustion from entering cells. Ideal for RVs, deep-cycle batteries, and trailers.
The Flow-Rite BA-VNT-005-48 Flame Arrested Battery Vent Caps bring together simplicity, efficiency, and safety into a single practical and cost-effective product. These professional-grade vent caps feature integrated flame arrestors that prevent external fires and sparks from entering the battery case where they can ignite internal gases.
Made in the USA, these vent caps were engineered for unprecedented safety and thoroughly tested for flame and spark by independent battery laboratory JBI Corporation. The low-profile design fits all flooded lead-acid batteries and installs with a simple quarter-turn bayonet twist. Remove just as easily when watering is needed.
This 48-pack is ideal for RV dealers, fleet operators, or anyone maintaining multiple battery systems. The polymer construction ensures long-lasting durability while meeting strict California Code of Regulations Title 8, Section 5185 requirements for battery safety.
Prevents external combustion from entering cells
Quarter-turn bayonet twist-on installation
Simple removal for convenient battery watering
48 vent caps for multiple battery systems
This is the 48-Pack SizeFlow-Rite flame arrested vent caps are also available in smaller quantities:• BA-VNT-005-12: 12-piece set• BA-VNT-005-24: 24-piece set• BA-VNT-005-48: 48-piece set (this product)Choose the pack size that matches your battery system needs. The 48-pack offers the best value for larger installations or fleet operations.
Industry Certifications:• Flame and spark tested by JBI Corporation• Complies with SAE J1495 standards• Meets California Code of Regulations Title 8, Section 5185• Engineered for unprecedented safetyThese vent caps provide critical protection against equipment downtime, property damage, and employee injury from battery-related fires.
Easy Quarter-Turn Installation:1. Remove existing battery vent caps2. Twist new flame arrested cap clockwise to install (quarter-turn)3. Cap locks in place with bayonet lug4. To water: Twist counterclockwise to remove5. After watering: Reinstall cap with quarter-turnDirect Replacement: These caps are direct replacements for traditional unvented caps using industry-standard bayonet lugs.
Compatible Battery Types:• Flooded lead-acid batteries• Deep-cycle batteries• RV house batteries• Marine batteries• Golf cart batteries• Trailer batteries• Industrial batteriesNot Compatible With:• AGM (Absorbed Glass Mat) batteries• Gel cell batteries• Sealed maintenance-free batteries