Question about Worx 10" 18v 2 In 1 Grass Trimmer/In Line Edger

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Lithium battery wont hold a charge.

I initially charged the battery over nite and used it for about 30minutes. I charged it the same the 2nd time and it ran about 20 minutes. I didnt use it again for about 2wks, and just kept the battery on the charger.I tried to use it today and it ran for about 2 minutes so I put it back on the charger and the light turned from red to green in about an hour but lasted onbly abouy a minute.

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6ya6ya
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Posted on Jan 02, 2017

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rycgl
  • 1545 Answers

SOURCE: I am having problems with the battery on my worx

You can determine exactly what is going on by using a small handheld voltmeter. They are inexpensive, easy to use and come in very handy. Just test the output of the charger (after noting what the volt-output-rating is) by touching the leads of the meter to the terminals on the charger. If the charger is working at all, this is not a dangerous test. Conversely, test the output of your batteries by touching the leads of the voltmeter to the terminals on them. I suspect the charger is bad because after they overheat, they quit working and some don't last very long. I don't think YOU are doing anything wrong, just maybe the companies that manufacture these 2 electrical products are.

Posted on Oct 14, 2010

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rycgl
  • 1545 Answers

SOURCE: charger light blinks red never

Worx has had issues with their chargers and their batteries. They don't seem to last as long as the machine does. A simple voltmeter test of the charger and any battery will tell the story. The charger's output rating should be printed on it and the battery also. Touch test leads from voltmeter to the two and check.

Posted on Oct 31, 2010

craig6773
  • 116 Answers

SOURCE: I put the battery on

This could be either a bad charger, a bad battery or with any luck at all just simply dirty contacts on either one. With the charger unplugged, try cleaning the contacts with a pencil eraser. Clean the battery contacts as well with the pencil eraser. You may need to trim the eraser so it hits on the contacts nicely. If you have any WD40, use a little bit of it on the contacts to get rid of excess residue. Hope this helps.

Posted on Nov 23, 2010

  • 2006 Answers

SOURCE: My battery is less than

Usually batteries are not covered under a warranty, IF they worked in the beginning. It has a lot to do how it was stored in the winter, it could have been your problem and not the batteries.

Posted on Jun 01, 2011

  • 207 Answers

SOURCE: I have three 18v lithium

The batteries are dead, if you do a bit of searching you will find out that these batteries all die very quickly. Unfortunately they are very cheap and will never last very long. I highly recommend buying a different trimmer, the Worx trimmer will always cause you problems, they are just plain cheap.

Posted on Jun 06, 2011

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Tip

Prolong the Life of Your Battery


  1. Initialize a new battery. New batteries should be fully charged before their first use to obtain maximum capacity. Nickel-based batteries should be charged for 16 hours initially and run through 2-4 full charge/full discharge cycles, while lithium ion batteries should be charged for about 5-6 hours. Ignore the phone telling you that the battery is full--this is normal but is not accurate if the battery is not initialized. #DO NOT fully discharge a lithium-ion battery! Unlike Ni-Cd batteries, lithium-ion batteries' life is shortened every time you fully discharge them. Instead, charge them when the battery meter shows one bar left. Lithium-ion batteries, like most rechargeable batteries have a set amount of chargers in them.
  2. Keep the battery cool. Put the battery in the freezer or fridge. Your battery will last longest if used near room temperature, and nothing wears on a battery like extended exposure to high temperatures. While you can’t control the weather, you can avoid leaving your phone in a hot car or in direct sunlight, and you don’t have to carry your phone in your pocket, where your body heat will raise its temperature. In addition, check the battery while it’s charging. If it seems excessively hot, your charger may be malfunctioning.
  3. Charge your battery correctly, in accordance with its type. Most newer cell phones have lithium-ion batteries, while older ones generally have nickel-based batteries. Read the label on the back of the battery or in the technical specifications in the manual to determine which yours is.

    • Nickel-based batteries (either NiCd or NiMH) DO NOT generally suffer from a misunderstood phenomenon known as the "memory effect." As described in Wikipedia and many expert sources, the term "memory effect" has been widely mythologized to describe any and all deterioration of NiCd (and other battery chemistries), in many cases misleading consumers into further shortening the lives of the batteries through over-discharging to "recondition" them.
    • This section formerly read: If you charge the battery partially enough times, eventually the battery "forgets" that it can charge fully. A nickel-based battery suffering from memory effect can be reconditioned, which requires the battery to be completely discharged, then completely recharged (sometimes several times). The appropriate length of time between reconditionings varies. A good rule to follow for nickel-battery cell-phones is to discharge them completely once every two to three weeks, and only when you have a charger available.
    • Lithium ion batteries can be preserved by careful charging and avoiding storing them at full charge.They do not require "reconditioning."
    • Regardless of the battery type, use only a charger rated for your battery, and discontinue use of a charger that causes the battery to heat up excessively.
  4. Store batteries properly. If your battery will be out of use for a while, disconnect it from the phone and store it in a cool place (the refrigerator is good, but freezing temperatures do not slow oxidation) and away from metal objects. Ensure that the battery is not exposed to moisture; try putting the battery in an airtight container or bag. Lithium ion batteries are not rated to operate at refrigerated temperatures, so let the battery sit outside the refrigerator for at least an hour before using it again. Lithium ion batteries oxidize least when they are stored at 40% charge. Never store a lithium battery at low voltage. Recharge batteries after storage.
  5. Clean the battery contacts on the battery and on the phone. Over time, contacts may accumulate dirt. Clean them with a cotton swab and rubbing alcohol to maximize the efficiency of energy transfer. In addition, if the contacts are two different metals, such as gold and tin, accelerated corrosion known as "galvanic or bi-metallic" occurs. Cutting the corrosion from the contacts often requires solvents, such as acetone or nail polish remover. Be careful: these solvent dissolve plastic, so use a Q-Tip to avoid damaging the battery housing or the phone.
  6. Use a black background whenever possible. AMOLED screens use a lot less power displaying black instead of white When web browsing use sites like bGoog.com that displays a black Google background instead of white.

on Aug 07, 2010 | Cell Phones

1 Answer

Kodak m1063 not holding date and time


There is an internal battery in most cameras that is charged by the Lithium Ion battery when the camera is in use. If the camera is being used and the Lithium Ion battery is fully charged and yet the time/date is not being stored then there is probably a problem with the internal battery

Sep 15, 2014 | Kodak EASYSHARE M1063 Digital Camera

1 Answer

My Garmin Nuvi 780 will not stay charged. also i am unable to charge it while I drive.


The Nuvi 780 is an older GPS. Most likely, the battery needs to be replaced due to age. Many lithium-Ion batteries are only good for 2 years. More information can be found here:

http://www.sharc.net/gps_battery_repair.htm

Please have the battery replaced by a professional. We have repaired many units from failed battery replacements by customers. Often other things get broken in the process, sometimes beyond repair.

Apr 09, 2013 | Garmin nuvi 780 GPS

1 Answer

Why so long when i'm charging my lenovo a1-07 ideapad


Frequent Charging Shortens Battery Life Frequent charging shortens the life span of a Lithium ion battery. Batteries should be charged only after they expend all their power. b> Switching Batteries Switching batteries helps preserve battery life: If a cell phone or computer user puts in a spare battery while separately charging the primary Lithium ion battery, that helps extend the life of both batteries. b> Removing Batteries Most laptops charge the battery when a user plugs in the AC adapter. Users can adjust this setting by changing the power options. Windows places this option in the Control Panel, while the Gnome Linux desktop places power options under "Administrative Tools". Cell phones incorporate their own power-saving features that the user usually cannot control. b> When to Replace a Lithium Ion Battery If a laptop battery does not hold a charge for more than a few minutes, a user must replace the Lithium ion battery if he wants to use the computer without an AC adapter. Other Ways to Extend Battery Life Storing a battery in a cool, dry environment causes a lithium-ion battery to last a little longer and reduces the frequency of needed battery replacements. Hope this helps.

Dec 29, 2012 | Lenovo IdeaPad A1 Tablet with 16GB Memory...

1 Answer

I have a fairly new battery, but something is draining the battery over nite


L'm sure its your alternator ! he did not give the correct voltage and not charge appropriately your new batterie , just check it and you will see ! :)

Apr 19, 2012 | 2002 Ford Taurus

2 Answers

Battery not holding charge on my 14.4v lithium iron drill giving short battery life during use, from new the battery would last approx 2 full days usage now 2 hours is the longest time is there any way to...


Hello,

Sometimes rechargeable batteries loose charge with time. Replace the battery type on the drill and the duration will be back to normal :)

Apr 05, 2010 | Garden

1 Answer

When charged V2 does'nt hold charge for long.


Hi.
Most likely this kind of problems occurs when the battery is exhausted after a long time of using it.
because even intergrated (rechargeable) Batteries Wont Last forever. the chemical substances(lithium-ion) in it Drains after a period of charging/discharging(using the device).

Solution:

if you have a common Mp3 player, You can purchase a new fresh battery and replace it. its quick and easy.

i can instruct you if you want so.
First check ebay for the exact same battery that you have inside you Mp3 Player.

Learn More about Lithuim-Ion Batteries on HowStuffWorks.com

Good Luck
Thank You.

Nov 03, 2009 | Audio Players & Recorders

2 Answers

Zen shuts off after only playing a few songs


How long have you been doing this for (months)? You may have already drastically reduced the life of your battery

Battery
& Charging

The Zen’s battery:

The Zen uses a 3.7v rated Lithium-Ion rechargeable battery. A 3.7v rated Lithium-ion battery actually gets charged to around 4.2v with a tolerance of +/- .05v. A charge of 3.7v/3.8v is actually about a 50% SoC. At 3.3v, lithium-ion batteries have typically only utilized 70% of its 100% charge capacity.

Charging Voltage = 4.2v (4.1v)
Nominal Open-Circuit Voltage = 3.7v (3.6v)

A note on Over-Discharging and Over-Charging:

In general, Lithium-Ion batteries do not like to be overcharged (usually above 4.2v) or excessively discharged (under 2.5v-3.0v). If a Lith-ion battery falls below 1.5v, then typically you shouldn't try to recharge it at all for "safety" concerns. A fully discharged lithium-ion battery causes the formation of copper shunt in the cell which begins to get extremely hot when attempting to recharge. A lithium-ion battery should not be charged above 4.3 volts. Above 4.3 volts and the cell causes lithium metal plating on the anode. The cathode material becomes an oxidizing agent and loses stability and begins releases oxygen. This can cause the battery to heat up. Lithium-ion cells should never get above 130°C (265°F). At 150°C (302°F) the cell becomes thermally unstable and can eventually lead to a thermal runaway. These are the safety reasons why the low and high voltage cut-off and temperature sensing circuits are used. If the internal temperature of the battery gets to high, the temperature sensing circuit can initiate a mechanical pressure switch that will permanently cut-off the current path and prevent anymore charging.

How do you charge the Zen (Battery)?

It can be charged by connecting it to a USB port on a computer or by using an AC Wall Charger within the Zen's charging specs (see below).

Can I use my cell phone's AC Charger to charge my Zen?

I believe the max input voltage of the Zen is around 5v. Most devices that can charge or run off the USB host power can handle the max 5v of USB ports. 4.2 volts is usually the max Lithium ion batteries are charged to. It is usually around when the high voltage circuit is triggered and stops the charging of the battery. I would not connect a charger to the Zen that puts out more volts then 5v with an output current beyond 2400mA (2.4A) to be safe.

When and how often to charge?

To be safe, I would avoid frequent full discharges because this puts additional strain on the battery and usually shortens its life. Partial discharges with frequent recharges are better than one deep one. Recharging a partially charged lithium-ion does not cause harm because there is no "memory effect" like with older type Ni-Cd (nickel-cadmium) batteries.

Do I need to charge the Zen for hours before I use it for the first time?

With Lith-Ion batteries, the first charge isn't any different then any other charge. There is no technical need to fully charge it the first time you get it other then the fact of being able to use it longer since it will have a full charge. They are not like other types of previously used rechargeable batteries that needed the full charge at first. Most likely by the time you get everything all figured out and loaded onto the device, the battery would be fully charged anyway.

Please note: I do recommend that you at least connect the Zen to a computer while it has sufficient charge on the battery in order to properly be detected and have its devices drivers load properly. In other words, don't use your new Zen for a period of time to where you drain enough power from the battery to just come on and turn off automatically or to the point the Zen doesn't come on at all. If you do, then you may have detection and charging issues when you go to connect the Zen to the computer.

How long will the battery in the Zen last?

Lithium-Ion batteries have a life span of about 300-500 discharge/charge cycles or 2-3 years from being manufactured.

Storing or not using the Zen for long periods of time:

Lithium-ion batteries (by themselves) with no built-in voltage monitoring circuit have a really low self-discharge rate (1-2% a month) when not being used. Having the addition of voltage monitoring circuits will slightly increase the discharge rate, but should not reach the point of excessively discharging the battery to where it won't turn back on unless sitting unused for an extended period of time and if its last state before powering off was a already in a low voltage state. So, as long as you aren't storing it for long periods of time at a low discharged voltage, the battery should be ok to recharge.

Accidently left the Zen plugged into the Computer all night or for a long period of time:

I wouldn’t make a habit of doing so. Long term usage like that could shorten the life of the battery. Although you may be fine for a while, leaving it plugged in occasionally all day and night, most likely won't hurt it, but leaving it plugged in every day and night may not be a good idea. Although once it is charged to 100%, the battery's internal high voltage cut-off circuit should keep the battery from over-charging and the devices charging circuit should keep applying a trickle charge when detected a drop in charge below full. However, keeping a Lithium-ion battery plugged in and fully charged keeps the battery's temperature elevated. Exposure to prolonged elevated temperatures can cause capacity loss which can then cause the battery to no longer be able to charge or hold a charge. Plus, it may be a small chance, but there is a chance that exposure to this condition for long periods could also increase the chance of a circuit failure (charging, high voltage, temperature sensing) and allow for a severe over-charge to take place to the point of thermal runaway which has been known to cause the occasional "exploding" battery, but in most cases just melt (and take some of the device with it) or catch fire.

A note regarding USB and charging:

Per the USB specs:
USB 1.1 = Minimum supply voltage is 4.4v
USB 2.0 = Minimum supply voltage is 4.75v
Both maximum supply voltages are 5.25v and a current of 500mA.

Before the USB bus interface can begin charging a device (Zen), it must return a device identifier to the hub driver (or device driver). Once the hub driver has the returned information from the device (like power requirements, supported transfer speeds, etc.), it can then begin charging the device based on those retuned values. This process is called Enumeration. Until enumeration has completed, it may not draw more than 100mA from the bus. Once enumeration has completed, it can then begin drawing up to the 500mA allowed by the USB bus.

Jun 23, 2008 | Creative Labs Zen Digital Media Player

1 Answer

Battery charging onsgh-c300


For initial charge, let it fully charge (a green light should indicate a full charge, or the battery meter will also display when it is full, I usually just let it charge overnight initially).

After that Lithium Ion batteries don't have memory effect issues so keeping it on charge whenever possible will be the healthiest for your batteries longevity.

Mar 21, 2008 | Cell Phones

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