Energizer 5291D5 Lantern Battery 6V 17500mAh Spring Terminal

The Energizer 5291D5 delivers reliable 6-volt power for tactical flashlights, lanterns, and emergency equipment when standard batteries fall short. This heavy-duty alkaline battery provides 17,500 mAh capacity with consistent voltage output across extended discharge cycles.

What Makes This Different

Unlike standard D-cell configurations, the 5291D5 features a single-cell design that eliminates connection points between multiple batteries. The spring terminal construction ensures secure contact even under vibration and impact. This battery maintains stable 6-volt output throughout its discharge cycle, preventing the voltage drop that causes equipment to dim or malfunction as power depletes.

Key Features

• 17,500 mAh capacity for extended runtime in high-drain devices
• 6-volt alkaline chemistry with consistent power delivery
• Spring terminal design for reliable electrical connection
• Compatible with 6V lanterns, tactical lights, and emergency equipment
• Leak-resistant construction prevents corrosion damage
• 10-year shelf life for long-term storage applications
• Temperature range from -18°C to 55°C for field conditions

Field testing shows the 5291D5 provides 40-60% longer runtime compared to standard 6V battery packs in high-drain applications. The single-cell design eliminates the weak points found in multi-battery configurations where individual cell failure can compromise the entire power source. Emergency responders and tactical teams rely on this battery for equipment that must function reliably in critical situations.

Technical Specs

• Voltage: 6.0V nominal
• Capacity: 17,500 mAh
• Chemistry: Alkaline
• Terminal Type: Spring terminal
• Dimensions: 2.6" x 2.6" x 4.3" (66mm x 66mm x 109mm)
• Weight: 1.8 lbs (816g)
• Operating Temperature: -18°C to 55°C
• Shelf Life: 10 years
• UPC: 039800134325

Professional users choose the Energizer 5291D5 when equipment failure isn't an option. The proven alkaline chemistry and robust construction deliver dependable power for critical applications where standard batteries compromise performance.