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Batteries do not charge when plugged into mains

Batteries do not charge when plugged into mains power,

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Check the batteries and the connections inside the scanner for corrosion. If necessary, clean both with a dry cloth, fine wire brush, or steel wool. Check the batteries for continuity and voltage. If they are shorted, "dead," or more than a year old you should replace them. Also check the output of your charger. It's rare for a charger to go out, but it does happen.

Bill B

Posted on Aug 01, 2010

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Posted on Jan 02, 2017

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Nikon coolpix s9500 no power and not charging battery is new


Step 1) plug Charger adapter into mains. Step 2) Plug cable into camera. If you have the cable plugged into the camera and then plug it into mains it will not charge.

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Can I operate a light on a 12v battery while it is being charged with a guest 2606A


yes, but a slightly depleted battery will take longer to reach full charge if the current is being drawn from it.... although if it's an LED light and efficient radio the current draw will be almost negligible or hardly enough to notice.

but why would you want to run mains electrical items from a battery that's plugged into the mains?
it's much more efficient to use mains electrical power for your devices until there's a power outage (this is where the inverter is really needed) or you need mains power in the middle of nowhere.

if you absolutely want to go down this route maybe an old UPS would come in handy, it will continue to output mains power in the event of a power outage.... just connect your battery in place of the old dead one (your 32Ah won't fit in the box, just use heavy cable) UPS boxes hold a 12v battery, it's a simple hack.

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Nc6000 multibay battery does not recharge


Perhaps remove the multi-bay battery, and let main battery charge all the way. Then reattach multi-bay battery, and see if it's recognized.
(Will charge)

That is AC adapter (Charger) removed, then remove multi-bay battery.
Plug AC adapter back into laptop, THEN plug AC adapter into power.

[You do Not want to unplug an AC adapter from a laptop, with the AC adapter plugged into power. Could be a power surge/voltage spike. Unplug AC adapter from power, when plugging into laptop, or unplugging from laptop ]

Main battery charged, unplug power to AC adapter, unplug AC adapter from laptop. Plug multi-bay battery in, then AC adapter.
(Then plug AC adapter into power)

Post back in a Comment.

Regards,
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1 Answer

SAMSUNG LAPTOP PLUGGED IN NOT CHARGING


try removing the battery and just use the mains power. If the laptop works you may need a new battery. If it doesn't your charger is faulty.

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The replacement power pack could be defective.

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I bought A sony VAIO VGN-TXN29N when i plug the system battary its blinking and its not charging please advise what can i do regards


The likely cause of this problem is a common mistake in the way laptops are used.

A laptop battery, working at optimum efficiency, whether of the older Nickel Cadmium and Nickel Metal Hydride or newer Lithium Ion types, is meant to charge under power and then discharge under use, if it is to have a long and useful life.

This means that it should be used in a similar way to a cellphone's battery - connected to mains electricity and charged up when low or flat and then disconnected from the power and used on battery power alone until the power level means the cycle needs repeating. Many people, however, unwittingly use their laptops like desktop pcs and leave the mains electricity connected to it even after the battery is fully charged. The reason that people cite for doing this is convenience.

However, laptops have more flexibility than cellphones in that, if they are mainly used in one place rather than as mobile devices, then it is possible to charge the battery to full, disconnect from the mains, then remove and keep the battery until the next time the laptop's mobile function is required (periodically recharge the battery if not in use for long periods of time because the charge slowly dissipates when not in use), reconnect the mains to the battery-less laptop and use it like that, ad infinitum.

When a laptop battery is fully charged, what it really wants to do is discharge but maintaining the mains connection, prevents it from doing so. The power management system on the motherboard is designed to cope with long periods of either battery powered or battery-less mains powered use, but not long periods of simultaneous battery + mains powered use. The battery has no means of discharging and various power sensitive components such as the inverter, backlights, lcd panel and graphics chips can become damaged by the power bottleneck created.

Using the battery in this wrong way also gradually depletes the charging capacity of the cells, until eventually, the cells can carry no charge, meaning a dead battery. A dead battery, where the cells are depleted, left in the laptop with the mains connected, is even worse for the power management system because the flow of power to the motherboard via the dead battery cells battery is inefficient and intermittent, creating battery overheating, low fan speed, inferior cooling, internal overheating hazards to the potential electrical damage to several components.

Loose DC jacks, leading to intermittent power drops and surges, are typically caused by the jack being allowed to take the weight of the heavy transformer box on the laptop's power cable. The solution is to ensure that the laptop is never held, carried or used with the transformer hanging unsupported. If the laptop is in use, the transformer should be disconnected, carried, placed on a desk or table near the laptop (if the cord is short) or lain completely full-weight-flat on the floor (if the cord is long enough).

Also, always use a surge protector for computer equipment, never directly to the mains.

If the battery cells are dead, you require a replacement battery.

If either the Motherboard Power Management System or DC Jack are damaged, your laptop requires professional specialist repair by a Component Level Laptop Repair Specialist, providing No Fix No Fee, Warrantied Repairs ( typically 3-6 months Repair Warranty).

When you get your laptop back after the repair, manage the power in the way described above and you should hopefully avoid similar problems in future.

Also check for any damage to the cable where it joins to the transformer box. Also, obviously check for blown plug fuses.

Hope this helps

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2 Answers

The dc power plugin is not working. I have had the pink acer aspire one mini laptop since christmas 2008. I've never had trouble with it before. Two weeks ago I noticed that sometimes when I plugged in the...


If your power adapter is still putting out the correct voltage when it is plugged into the wall, then you can safely assume that the adapter connection on the motherboard has come loose.
It can be replaced, but it is sort of tricky. You are probably looking at buying a new motherboard.

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The computer will only run from a fully charged battery.


friend

the problem clearly shows the fault is in the motherboard

thanks

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Charging Problems with FUJITSU SIEMENS AMILO PRO V2055


SOunds to me like the charge board inside the laptop has gone bad. If it will not run off of the mains supply without the battery and will not charge the battery, this is your problem. AS far as where you can get the parts or have it repaired. I am unsure of because I would need the full model and make of the laptop which didn't fit in the listing title bar above If you could send me more info, I would be glad to try to help.

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1 Answer

Main Battery Power


It cannot switched the batteries. The backup one is a small internal battery just to keep the CMOS with data. That's it.

If you main battery is not charging or when unplugged won't power on, the is likely the main battery is defective, or the charging circuitry of it is failing.

Best regards,

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