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Product Name: 12v lamp holder online PSU Base SBC Lamp Holder with 12V 21W Lamp Rapid Online online, 12V socket for gu5 3 and gu4 led and halogen lamps R M Lighting online, 12 Volt Light Bulb Socket ...

I use a 12V 20W halogen lamp (MR16) and a 4.2Ah SLA battery for my bike light system. The battery has only limited life at this power rating, so I designed this cheap light dimmer to reduce the ...