These S15 caps are found on double ended striplights.  The LED S15 Striplights are considerably brighter than your old style S15 bulbs.

LED Bulbs S15 Collection

Sort by:
Energizer 4W-30W LED 221mm S15 Striplight Non-Dim Light Bulb
Energizer 4W-30W LED 221mm S15 Striplight Non-Dim Light Bulb

LED Double Ended Striplight

30W Equivalent

(Non Dimmable)

£4.99
Energizer 6W-60W LED 284mm S15 Warm White Strip Light Non-Dim Bulb
Energizer 6W-60W LED 284mm S15 Warm White Strip Light Non-Dim Bulb

LED Double Ended Striplight

60W Equivalent

(Non Dimmable)

£5.49