Not with buying anything unbranded with batteries or LEDs off eBay, the Chinese tell whoppers about the wattage and amp hr capacity.
Like the 200 amp welders that only put out 120 amps.
Someone should make a conversion app from chinese units to british units. Having said that halving it will probably be pretty accurate.














. Definite advantages living up here near the moon as I'm pretty sure @4String and 



] It's still smarter than me as I've never bother to add apps but I had to investigate to see if it really was broken - I resorted to the age-old first step with all things electrical [even cars now], switch it off, leave it for a while and turn it back on again 
.
