I bought the 20V cordless Jawsaw with the extension pole. Also purchased were a spare battery and chain.
The battery came with a partial charge even though the Charger manual says they come discharged. That's not true. They also stated it takes 12 hours to charge. (Does anybody proof these manuals?) Lithium batteries are charged to 50% when manufactured. Charge time was about 3 hrs since the supplied charger is a low (read slow) charge rate device. When charging the light on the wall plug glows red. When charged it glows green. The manual says to avoid leaving a battery plugged into the charge because it DOES NOT turn off when charged.
Before fully charging I plugged in the battery pack, as shipped, added the oil, and tested the Jawsaw on a crab apple tree that's situated in front of my home. Using the Jawsaw is as simple as the infomercial. Position the limb in the throat of the jaw; push down on the handle with a steady but not excessive pressure and the blade swings down to cut the limb. Bingo, the limb is cut off. Cutoff limb drops to the ground and then you chop it up without worrying about having the blade dig into the ground and dulling it. You can use it one handed once the jaws are locked into the limb. Your spare hand can guide the cut off limb to the ground so you don't get hit in the head by the felled limb.
Bottom line is the saw cuts reasonably quickly with no fuss. Using it without the extension I cut off several 4" limbs then chopped them up into smaller lengths on the ground. It is not as quick as my gas chainsaw but wow, no annoying 2 cycle engine noise, its easy to use, and it is much, much, safer. Of course, if you can cut a 4" limb why can't they design one for larger limbs? Making it capable of cutting larger limbs would make is heavier than its alredy nose heavy 8 lbs., but we can only wish.
Pros
--Does what it is supposed to do -- safely cut tree limbs up to 4 inches in diameter.
--Quiet. You can trim trees without having your neighbors wonder when you are going to stop making the noise.
--Changesaw blade is automatically oiled but not excessively like the two chainsaws I have owned. Pushing in the handle to swing the blade releases the oil.
--Filling the oil reservoir is easy.
--Oil cap on the Jawsaw has a tether to prevent losing it. However, the nifty little dispenser (like a ketchup bottle) has no cap whatsoever.
--Checking chain tension is easy
--It only weighs 8 lbs.
Cons - I can see no major drawbacks with the Jawsaw. My below list are more comments and opportunities for improvement:
-- While only 8 lbs. it is nose heavy but unless one can change the laws of physics it is something you have to adapt to as a user to prevent getting too tired using it. A more balanced design would add undesirable weight and cost.
-- Manual has misinformation about the lithium battery. It comes charged with about 50% charge and takes three hours to fully charge. Manual says first charge should be 12 hours. Either the charger is faulty or the manual is wrong. I think it's the manual.
-- No sight level on the oil reservoir. This would be a nice feature to have so you can quickly determine if you have enough oil.
-- Supplied socket tool has no on board storage slot or pocket. You can picture it getting separated from the Jawsaw as it moves around the garage. My DeWalt reciprocating saw came with a nice T handle hex head to loosen and tighten the cap screw that holds the blade. The T handle is stored in the handle of the saw. I have had the saw for over 15 years and have never lost the supplied T handle.
-- ADD SOME HELPFUL WARNINGS TO THE BATTERY - A prominent warning on the battery about storage and charging should tell the consumer to store the battery with a 50% charge in a household environment. Rechargeable batteries don't like being frozen or overheated. The battery should also be labeled to tell the consumer to charge the battery when it is at ambient temperature. Hot or frozen batteries should not be charged until they reach ambient temp.
-- INSTALLING THE EXTENSION POLE is a bit clumsy with having to press the safety switches to lock in the handle. You need to be careful not to force the handle lock on the extension.
SUMMARY
The battery powered Jawsaw trims limbs on the trees on my property quite easily. I had considered the Jawsaw before but it requires 110 volts and an extension cord or hauling around a generator to power the corded Jawsaw. The cordless freedom is great. I have made the mistake of buying other cordless saws and was disappointed with the lack of power and battery capacity. This one operates very well on battery power.
You can cut a heck of lot of tree limbs from a tree or shrub and then easily dice them up into manageable sizes. While it cuts slower than a gas chainsaw, the overall processing time is less. That is, the processing time includes the time from cutting the limb off the tree and then chopping the cut limbs to a manageable size takes much less time. In my case I load my trimmed and chopped down to a small size cutoffs into a utility golf cart box that's 3' x 2' and haul them back to the rear of my property where I stack them up for bonfires. What I noticed is how cutting the limbs to a compact size was easy. You simply cut them to size with the large limbs lying on the ground. No special handling required to prevent the blade from hitting the dirt. This saves time. I like the Jawsaw.
This review will be updated with more use and experience since not everything has been tested. I have a gopro style wide angle video camera I can mount on my head so I will take a video of the jawsaw in action from a user viewpoint. I promise to edit it so it moves quickly.
I will report back on how long it will run on a charge; use of extension including setup; and any problems with the chain coming off. With only one evening of use the Jawsaw gets 5 stars.
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UPDATE AFTER A full afternoon of use (9-23-13). The cordless Jawsaw is still a keeper. Connecting the extension pole is a bit clumsy and poorly documented. In use the long pole with most of the weight on the far end does provide an unintended workout.
Two batteries is a must if you have a lot of tree trimming because the Lithium Ion pack will deplete or come near stalling after repeated lopping off of limbs. The work at hand prevents me from really providing a accurate count of number of limbs trimmed before recharging. Sorry, but I am not Consumer's reports, just a user providing anecdotal information about my experience.
Cautionary note: Keep an eye on the oil reservoir because with a small reservoir the chain lube oil will get depleted and you won't know it with a lot of cutting. My two gas chainsaws have a much larger chain oil reservoir. I recommend you refill it every time you change a battery or charge your battery, this will keep you safe. I have already used up all the oil that came with Jawsaw. Any chainsaw oil will work so don't get carried away buying the WORX brand. Buy what is on sale.
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UPDATE: March 26, 2014
While Michigan (my home state) has an inch of snow today I started rummaging in the garage for the Jawsaw in preparation for spring cleanup. As I said earlier, the included wrench does not have a place on the saw to stow it so the nice litte wrench is missing in action.
For chainsaw oil I have bought a simple plastic squeeze bottle with a cap since the Jawsaw provide oil bottle has no cap. It should work fine.
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Update: July 19, 2014
I know I stated earlier there was no sight level for the chain oil. I took a look at the yellow sticker that is located right next to oil fill and it says to use bar oil, and some other useless information. I peeled it off it found the oil sight level. GEEZE, can they not cover over the sight level with a reminder sticker?
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December 31, 2015 update
Cordless jawsaw sat for a little over a year in the garage. Batteries stored safely in the house. I needed to trim some limbs and the cordless jawsaw performed flawlessly. The unseasonably warm December provided the tree trimming opportunity. Unfortunately, my utility golf cart with a box on the back was put away for the winter and hauling the trimming on a pull cart 500 feet to the burn pile in the back of my three acres took too much time and effort. I trimmed limbs for 5 minutes, loaded cart and transported trimmed limbs to the burn pile took 15 minutes. After 60 minutes of this I decided to stop. Bottom line is the cordless Jawsaw performed flawlessly in its third year of ownership and use.
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From the manufacturer
WORX WG321 20V Power Share Cordless 6-inch JawSaw Chainsaw with 5-ft Extension Pole
- Cut or trim materials up to 4 inches in diameter.
- Innovative auto-tension feature for optimum tension at all times.
- Reach up to 5 feet in cutting length with added extension pole.
- Features an automatic chain oiler with oil level indicator.
- Blade housing allows for safe cuts directly on the ground.
- Powerful and lightweight MaxLithium battery delivers long-lasting performance.
Compare with similar items
This Item  WORX Worx WG321 20V Power Share JawSaw Cordless Chainsaw with 5ft Extension Pole |  |  |  |  |  | |
| Price | Currently unavailable. | $146.98 | -25% $149.00 List: $199.00 | -8% $109.99 List: $119.99 | -28% $107.28 List: $149.99 | $169.60 |
| Delivery | — | — | Get it as soon as Friday, May 3 | Get it as soon as Friday, May 3 | Get it as soon as Thursday, May 2 | Get it as soon as Friday, May 3 |
| Customer Ratings | ||||||
| Battery life | ||||||
| Easy to use | ||||||
| Light weight | ||||||
| Maneuverability | ||||||
| Value for money | ||||||
| Sold By | — | Skyfall Innovation | Amazon.com | ZAKER TOOLS | Amazon.com | Amazon.com |
| power source | Battery Powered | Battery Powered | DC | Battery Powered | Battery Powered | Battery Powered |
| horsepower | — | — | 3.6 horsepower | 1.5 horsepower | 1 horsepower | 1 horsepower |
| voltage | 20 volts | 20 volts | 40 volts | — | 20 volts | 20 volts |
| weight | 8 kilograms | — | 12.85 pounds | 8 pounds | 6.19 pounds | 11.2 pounds |
Reviews with images
Charge the battery five hours before use and fill oil reservoir. And then Stay hydrated
I've not used the pole adapter but this Jaw Saw is way more than I ever expected.I needed a very safe way to cut small trees, the Jaw Saw did the job, the 20 volt battery and little charger seemed small, but it's very proficient and can easily sit and trickle charge while I'm away, I've never run the battery down, and I cleared a fence line.
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