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 Topic: Battery Pack Charging
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16/12/2024 at 12:04pm
Location: London
Outfit: Lunar Cosmos 524
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No question is a silly question if unsure or unaware of the answer, and certainly not if safety is the issue!
Can't really see any good reason it shouldn't be recharged via a SUITABLE extension lead. The warning not to may be because extension leads vary, are not necessarily to any standards and are beyond the control of the Battery Pack manufacturer, and indeed MAY be a risk under some circumstances such as underrated cable/breaker or unneeded length left tightly coiled in use!
A proper 'tent' extension lead 'should' be 10A rated (that's the MCB trip rating), the cable 'should' be 16A rated but may only be 10A rated, but still more than capable of supplying the 4.6A (1100W) load. I don't see that type of equipment normally having a huge start up overload that would be damaging to the extension.
Usual provisos of ALL of the extension cable MUST be uncoiled and given good ventilation to prevent it overheating.
The (up to) 16A rating of EHU points really only applies to fully fitted out caravans/campers/MHs where the electric equipment COMBINED, can reach those loads, the normal mains sockets fitted are still limited to a 10A (2.4kW) (individual/combined over multiple sockets) load because they are protected by a 10A circuit breaker, but things like battery chargers, heating, lighting etc are run in parallel and protected by other circuit breakers, so can push demand to the max. Tent extension leads on the other hand can only EVER draw 10A, as ALL loads attached are protected by a single 10A circuit breaker.
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via mobile 16/12/2024 at 11:07am
