Battery Filler Automatic Shut-Off to Prevent Over Filling Double Action Fast Flow Valve Tip to Prevent After Drip Stops Surface Discharge Caused by a Wet Battery This safe and easy to use acid resistant battery filler is made of super tough polyethylene plastic. Capacity: 2.1/4 Quarts (2.6 Liters) No.3119-N Neck Only for #3119