Hi, I have a 12v rechargeable camping lantern which now switches off after a few minutes operation. On letting it stand the unit works again after a few minutes only to cut out again, later on. The lantern works off a rechargeable gel battery and powers a "four-finger" shaped flourescent globe. It has three LEDs to indicate battery level and charging status. Inside the unit is a PC board approximately 13cm x 6cm of electronic components. It's been working fine for the last 18 months. I've ruled out the battery, (replaced and checked charge holding capacity) as well as the globe. A replacement globe also keep switching off. Any ideas on what to look for please. Thank you, Paul
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