Rayovac 813-4TK D Alkaline Battery 4 Pack

Product Description

The RAYOVAC 813-4TK is a 4-pack of D-size alkaline batteries designed for high-drain and everyday devices used in residential and commercial service environments. Built with Ready Power Technology, these batteries are engineered to maintain charge during storage, making them a reliable choice for equipment kept in service vans, tool kits, and emergency supply stock. The mercury-free alkaline formula meets current environmental standards. Each pack carries a 10-year freshness guarantee, reducing the risk of dead batteries when they are needed most. HVAC techs, plumbers, electricians, and pool service pros commonly stock D-cell batteries for flashlights, gauges, and portable diagnostic tools.

D alkaline batteries are a standard power source for a wide range of professional and residential equipment. Common applications include heavy-duty flashlights, portable radios, lanterns, and battery-powered tools used in the field. The 4-pack format is suited for single-use restocking or topping off a job site supply. The 10-year shelf life makes bulk purchasing practical for supply rooms or service vehicle inventory.

Key Features

• Ready Power Technology maintains charge during extended storage periods
• Mercury-free alkaline formula meets current environmental and safety standards
• 10-year freshness guarantee supports long-term shelf storage
• D-size format compatible with a wide range of professional-grade portable devices
• 4 batteries per pack for straightforward restocking

Compatibility

Designed as a standard D-size alkaline replacement for any device requiring 1.5-volt D-cell batteries.

Installation Notes

Insert batteries by a qualified technician or end user following the polarity markings inside the battery compartment. Always power down or switch off battery-operated devices before replacing batteries. Dispose of used alkaline batteries in accordance with local regulations. Do not mix old and new batteries or different battery chemistries in the same device.