Holt Bayonet Fitting Interior Bulb BA15S 12V – 10W & 21W

The Holt BA15S Bayonet Fitting Interior Bulb is a reliable replacement bulb designed for use in boats, caravans, motorhomes, trailers, and other 12V electrical systems. Available in 10W and 21W power options, these bulbs feature a standard BA15S single-contact bayonet fitting, making them ideal for a wide range of interior, courtesy, cabin, and utility lighting applications.

Providing bright and dependable illumination, these bulbs are easy to install as direct replacements for compatible BA15S lamps. Whether you require the lower power consumption of the 10W version or the increased brightness of the 21W model, Holt bulbs deliver consistent performance and long-lasting reliability.

Key Features:

• Available in 10W and 21W variants

• Standard BA15S single-contact bayonet fitting

• 12V low-voltage operation

• Bright, reliable light output

• Warm white illumination

• Easy direct replacement installation

• Suitable for boats, caravans, motorhomes, trailers, and 12V systems

• Ideal for interior, cabin, courtesy, and utility lighting

• Manufactured by Holt

Specifications:

Brand: Holt
Bulb Type: Interior Light Bulb
Fitting Type: BA15S Single Contact Bayonet
Voltage: 12V
Light Colour: Warm White
Applications: Interior Lighting, Cabin Lights, Courtesy Lights, Utility Lights, General 12V Lighting

A dependable lighting solution for marine and leisure vehicle applications, the Holt BA15S Interior Bulb provides bright, efficient illumination and straightforward replacement for a wide range of 12V fittings.