Review: Gatetop Low Voltage 12 – 48V DC/AC E27 Light Bulb

A couple of weeks ago, we reviewed the Heetech Low Voltage 12 – 85V DC/AC E27 Light Bulb. While it had a large input range of 12 to 85V, the luminous output started to dim as the voltage fell below 13.0V. If operated on a 12V battery, the reduction in light intensity was noticeable as the battery s terminal voltage reduced throughout the night. It was also advertised and marked as 9W, but only…