LED

£6.28

Dotlight

Seoul Z-LED P4, Rank U
Z-W4218-2-U

Lens

£1.73

Dotlight

Carlco Collimator Lens
Narrow (6°), Medium (15°) or Wide (25°)
See section on Optic

Lens holder

£0.47

Dotlight

Carlco Lens holder for 3W Stars

Heatsink

£0.50

eBay

Small off cut of Aluminium Plate. Approx 1.6mm thick

Resistors

£0.45

Maplin

2x 6.8Ω - M6R8 (Main)
1x 22 Ω – M22R (Pilot)
See section on resistors

Solder tags

£0.69

Maplin

3x M3
RG68T = pack of 10

Thermal pad

£1.18

Dotlight

Cooltape Pads
COOLT01

Sub total

£10.85

Batteries

£12.99

Maplin

4x 2.7AH NiMH AA
N64CY
See section on batteries

Battery Box

~£10

eBay

Any box with wire lead that accepts 4x AA batteries

Total

£33.47