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The WORX 18-volt lithium-ion replacement battery is available for purchase today.

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Mowers Direct

Worx 18-Volt Lithium-Ion Replacement Battery

(Based on expert analysis, manufacturer ratings and customer reviews)
1.1 out of 51.1 out of 51.1 out of 51.1 out of 51.1 out of 5
55 Reviews
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  • Features
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  • 8
    Q&A 
  • 55
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18-Volt Lithium-Ion Battery
Have a second battery charged for quick switch
Replace your old string trimmer battery

Compatibility
ONLY fits Worx WG151.5 cordless string trimmer
DOES NOT fit other Worx 18-volt tools

Replaces Worx Battery WA3502


Model
  Model Number:WA3512
 UPC:822465007208
 ManufacturerWORX
 Battery Voltage18 Volts
 Battery TypeLithium Ion
Overview
 Weight5 Lbs. (2.27 kilograms)
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  8 Questions
Q: Will a Worx 18v lithium battery fit a Black and decker 18v product?
by Mark Galchutt from North Carolina on September 02, 2013

A: Mark,

I am sorry, but the 99% of all battery products are very proprietary where they will not cross types or models, and most of all voltage. That battery would just not fit what so ever.
by Jose, Product Expert
Q: Hi, I have a Worx trimmer that the battery model wa3512 will charge but will only run for 30 seconds. It still should be under warranty. Please advise how I can get a replacement battery under warranty. Thank you Joe in Utah
by Joe Stokes from Utah on July 27, 2011

A: Joe - Worx has set-up a special hot line and a web site to handle this specific defective battery issue. You can either call the special WORX hot line at 1-866-354-9679 or go to the special Worx web site www.worxbattery.com to get a replacement battery sent to you. Please make sure you have the serial number on your defective battery handy, as you will need this.

by Jose, Product Expert
Q: HI TODD I WOULD LIKE TO KNOW WHAT I CAN DO ABOUT MY BATTERY FOR MY EDGER. I PURCHASED IT ON 05-02-2010. I WAS WONDERING IF I CAN SEND THE PRODUCT BACK FOR REFUND ON MY CREDIT CARD. THE BATTERY CHARGER SMELLS BURNT AND DOESN'T HOLD THE CHARGE. SO PLEASE LET ME KNOW WHAT I CAN DO TO TAKE CARE OF THIS MATTER. I HAVE MADE SEVERAL CALLS AND CAN'T GET THROUGH. THANKS
by BRANDEE from Pennsylvania on May 20, 2011

A: Brandee - if you purchased your WORX item from mowersdirect.com, then you would need to call us at 1-877-412-5296 so we can try to find a solution to your issue. If you purchased your WORX item from someone other than mowersdirect.com, you would need to return your item to the place you bought it from. If you purchased your item directly from WORX, then you would have to call WORX at 1-866-354-WORX (9679)
by Jose, Product Expert
Q: How do I go about returning a deefective battery. Item ws purchased on 05/25/2010Order #POST01747826 Dorothy Jones Telephone#606--473-6000 Thank you
by Dorothy Jones from Kentucky on May 09, 2011

A: You would have to contact www.worxbattery.com and they would assist you in any return of this product.

Thanks,

Mowers Direct
by Jose, Product Expert
Q: Please give me te website so that I can try to order a replacement battery for my trimmer/edger. I attempted to order a replacement last year, put in the necessary information for the replacement, but it never arrived. And, now it is time to cut grass again... so here I am still trying to get the battery. Please let me know if I am still eligible for a free replacement. My battery number is 2009120 04152--for a WA3840 charger. Thanks
by Rosa Owens from Maryland on May 08, 2011

A: Go to www.worxbattery.com and they should be able to send you a replacement if your battery has died.

Thanks,

Mowers Direct
by Jose, Product Expert
Q: my battery keeps running out.for my worx
grass trimmer. why?

by Brent Brown from Michigan on May 07, 2011

A: Brent - I can't say for sure. Most likely you have a cell in the battery that has failed. I would suggest calling WORX technical support at (866) 788-7394


by Jose, Product Expert
Q: my battery charge for about five mins. then it starts flashing red and will not hold a charge. What is wrong?
by Roosevelt Carter from Missouri on May 07, 2011

A: Roosevelt - chances are the cells in your battery are burned out or have simply failed. I would suggest contacting WORX technical support at (866) 788-7394


by Jose, Product Expert
Q: How long does the charge last?
by Joe G. from California on March 28, 2011

A: Thanks for your inquiry. This battery will last 4 continuous hours.
by Jose, Product Expert
WORX WA3512 Reviews & Ratings
Write Review
Overall Rating
Features
1/5
Quality
1/5
Performance
1/5
Value
1/5
Overall
1.1 out of 51.1 out of 51.1 out of 51.1 out of 51.1 out of 5
Pros
None to display.
Cons
Will Not Keep A Charge (1)
Expensive (1)
Unreliable (1)
Low Quality (1)
55 Reviews  Sort by 
 
Carmen C.
Toms River, NJ
Total Reviews
3 Reviews
Total Helpful Votes
44 Helpful Votes
Most Helpful Critical Review
REVIEWED
MAR.
16
2014
1 out of 51 out of 51 out of 51 out of 51 out of 5
Lithium Not For Me
I have this same 18V Lithium-Ion battery in my Porter Cable drill and it is terrible. Two batteries came with the drill and they both stopped holding a charge a couple of months after I purchased the drill. To replace them with the same battery and expect a different result would be foolish. Does anyone know if they make this battery in Ni-Cad? thanks.
Cons: Low Quality, Unreliable, Expensive, Will Not Keep A Charge
Carmen Does Not Recommend This Product
Was this review helpful?
00
Frances R.
Elizabeth City,, NC
REVIEWED
SEP.
20
2012
1 out of 51 out of 51 out of 51 out of 51 out of 5
Worx Lithium-ion Battery Wa3512
Purchased new Trimmer, very happy with the light weight, very unhappy with the fact battery did not last through summer. Purchased another battery, it's half the price of buying a new trimmer. Sure I did not use trimmer over 5 times.
Was this review helpful?
10
Robert N.
Purchased from Mowers Direct
Purchased 6/23/12
REVIEWED
JUL.
14
2012
5 out of 55 out of 55 out of 55 out of 55 out of 5
My String Trimmer
My string trimmer works great since I received my new battery.
Was this review helpful?
00
Mary
Gillette, WY
REVIEWED
MAY.
03
2012
1 out of 51 out of 51 out of 51 out of 51 out of 5
Get A Free Replacement Battery.
I echo the last review left. "They are replacing the Batteries for free as well as giving free string. So, I am happy about this. It is simple just go to worxbattery.com and follow the instructions or call 1-866-354-9679 for friendly service staff to assist you." I followed the instructions and was told to go to the website at www.worxbattery.com. You can walk thru their questionnaire and see if your battery is on the list to replace. Don't think I'm getting the string, but... more
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00
Jerry
Indianapolis, IN
REVIEWED
JUN.
21
2011
1 out of 51 out of 51 out of 51 out of 51 out of 5
Batteries
Love the trimmer but not the batteries. Why can't this company fix this problem?
Was this review helpful?
00
Jerry
Indianapolis, IN
REVIEWED
JUN.
21
2011
1 out of 51 out of 51 out of 51 out of 51 out of 5
Batteries
Love the trimmer but not the batteries. Why can't this company fix this problem?
Was this review helpful?
00
Stephanie
Suffolk, VA
REVIEWED
JUN.
18
2011
1 out of 51 out of 51 out of 51 out of 51 out of 5
Lithium Battery 18v Wa3512
I apparently am not the only person with the issue of the battery. Nor can I find anyone to help me. I purchased the 3 in 1 weed trimmer last year for a father's day gift for my husband and this year I tried to use it and the battery is not working, so I have to use my electric weed eater (which I love-minus the cord) Too bad I didn't know this prior to purchasing the Worx weed eater 3 in 1. I am not buying another battery after reading all the comments. I do believe the Worx company owes... more
Was this review helpful?
00
Stephanie
Suffolk, VA
REVIEWED
JUN.
18
2011
1 out of 51 out of 51 out of 51 out of 51 out of 5
Lithium Battery 18v Wa3512
I apparently am not the only person with the issue of the battery. Nor can I find anyone to help me. I purchased the 3 in 1 weed trimmer last year for a father's day gift for my husband and this year I tried to use it and the battery is not working, so I have to use my electric weed eater (which I love-minus the cord) Too bad I didn't know this prior to purchasing the Worx weed eater 3 in 1. I am not buying another battery after reading all the comments. I do believe the Worx company owes... more
Was this review helpful?
00
James B.
Midland, MI
REVIEWED
JUN.
13
2011
1 out of 51 out of 51 out of 51 out of 51 out of 5
Worx - No Customer Support
I purchased both a 18 volt trimmer and blower last summer. I bought both with the lithium battery, so when one was charging, I could use the other interchangeably. After about 2 months of light use one of the 2 batteries failed to hold a charge.

I contacted Worx customer service and got the immediate "we will get back to you". They never did. This summer I tried to get by with one battery. It also failed after 2 charges. I again contacted Worx customer service about one month... more
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00
Thomas
Lino Lakes, MN
REVIEWED
JUN.
12
2011
1 out of 51 out of 51 out of 51 out of 51 out of 5
Battery
I'm very unhappy with the lasting of it. I have had about a year now. Lasts for 1 min. Now I'm seeing why with all the people that have wrote in.
Was this review helpful?
00
Thomas
Lino Lakes, MN
REVIEWED
JUN.
12
2011
1 out of 51 out of 51 out of 51 out of 51 out of 5
Battery
I'm very unhappy with the lasting of it. I have had about a year now. Lasts for 1 min. Now I'm seeing why with all the people that have wrote in.
Was this review helpful?
00
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