The motor is screeching and barely moves. Started periodically, now is constant. Drains fully charged battery within minutes.

The primary requirement apart from a healthy charging system is a healthy battery and it is the problem with little used vehicles and other battery powered equipment is few people remember to periodically charge them - a battery will self discharge over time and when connected to a vehicle with an electronic system that is always "on", the discharge rate will be greater.

A battery that is left partly or completely discharged for even a few weeks will be permanently damaged or completely ruined.

As a matter of diverse interest, a vehicle "charging" system is a massive misnomer as firstly it isn't designed to recharge a battery but to keep a fully charged battery fully charged (and usually doesn't do that very well) and because of the design of the system, the "charge" rate quickly drops to a trickle charge and few people drive constantly for the large number of hours it takes to recharge a battery that is being trickle charged - a large car battery can take a week or longer...

First remove the battery, charge and test it...

Maybe impeller has debris in it or is bad or bad motor bearing

possible loose or dirty battery posts and terminals
have the unit service

Date: May 16, 2014

I have an LG Thrill 4G. My phone just went thru an issue where it wouldn't charge past 4%. Sometimes, it wouldn't go past 2%, so I had to leave it on the charger ALL the time - or risk it dying, completely.

For days, the only services shown on my battery usage were:
Cell Standby: 33%
Bluetooth: 33%
Phone Idle: 32%
Display: 2%

I replaced the battery with a brand new one - NOTHING changed. Battery still sat around 2-4% for the entire day, while on the charger. So, I started uninstalling apps like crazy - just to see what would happen.

NOTHING. Same thing.

So, I decided to at least install the Facebook app back...and the upgraded version had to be installed - so I did it.

VOILA!!! My phone instantly started charging ...8%...14%...24%...52%...80%...91%...all over a period of about an hour. Just a constant charge going up a few percentage points every few minutes...

...and all of a sudden, started going back down pretty rapidly when it hit 92%. Within maybe 3mins, the charge went from 92% to 78% - and I wasn't using the phone. I was just watching the meter drop 2 percentage points over a period of a few seconds, each time. I decided to quickly turn the phone off at 78% but left it on the charger.

After roughly 5mins, I turned the phone back on, just to see what the charge would be sitting at. WOULDN'T YA KNOW - 3%.

How can battery life go from 78% to 3% - while it's OFF - within a 5min span??? Therefore, my question is: was it really charged to 78% when I turned the phone off? Or was the battery meter being "tricked" by some app that might be installed?

The first battery it did this to was the 1500mah. Used that battery for like 3 days of this before I replaced it. The battery the scenario above JUST happened to is my new 3500mah battery, and it's been giving this 3500mah battery the 3% capacity for a whole day and a half now...

One of the belts is loose. I would say it is the Alternator Belt.
What happens is that when you use the battery to start the car, the alternator immediately attempts to charge the battery back up once the car starts.
If the belt is loose, the belts slips some, making that horrible screech, until the battery is charged enough that the belt no longer slips, because the alternator no longer needs to make as much power, and the screech goes away.

Check to see that your alternator belt is the next one to replace, and tighten it up to specs.

just update the software and replace the battery(if its in warrranty period) from ne service centre..
charge the new battery 4 six hrs nd den 4 second time charging let it b empty...do the same for 2-3 charging period den d battery life will b enhanced

There is some issue with your battery. Before you replace it ... please contact your carrier for advice.

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hi older motors 7/10 years ago did draw more current but there is more to this the test you gave the battery isn't realy accurate but to lose so much power in so little time does not make sense the prop was ok out of water but not in it if the prop is rubber bushed they can slip try the whole set up out of water don't run it without a hosepipe squirting on the motor or it will overheat check all connections for corrosion and tightness on the side someware it will state the voltage and amperage run it with an ampmeter in series if it is drawing too much you will see it if you can give it back !! i know this has not been much help ,if i had it in my w/shop i would know in secondswhat was up but i havn't sorry merlin v12

relpace your mobile battery and avoid overcharging and charging overnight