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Search: Posts Made By: MetroMPG
Forum: Lawn and Garden 06-07-19, 03:35 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
Like so many things, it depends. I've...

Like so many things, it depends.


I've owned many types of mowers: manual, gas, battery & corded electric. (All at the same time!)



I prefer the relative quiet & better reliability of the...
Forum: Lawn and Garden 02-15-19, 01:18 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
9 lives

Just a post-script, WELL after the fact...

I put the mower & charger at the curb on our little city's "treasure hunt" garbage day with a sign on it saying "works, but needs new battery".

It was...
Forum: Lawn and Garden 07-13-17, 09:39 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
She's dead, Jim

I went to use the mower this week and when I checked the voltage before starting (my usual habit), it read only 9.x.

Hmm!

I always recharge the mower right after using it, so my first thought...
Forum: Lawn and Garden 05-25-17, 11:17 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
Funny thing is: I do everything that you mention...

Funny thing is: I do everything that you mention that shouldn't be done.

I know I'm hard on these batteries. I watch voltage as I mow, and I try to keep from drawing them below 10.5v under load...
Forum: Lawn and Garden 05-25-17, 10:30 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
Year #7

Hi Carl - Thanks for the update on yours. I'm also surprised at how long the batteries are lasting.

I just started year #7 on my used batteries of unknown condition/age. Maybe the charger is...
Forum: Lawn and Garden 06-04-16, 11:53 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
Yet another free e-mower

Good news: since the weather warmed up and the growth has slowed down, it looks like the old batteries may just deliver another season of service!

---

The Mower Fleet Expands Yet Again!
...
Forum: Lawn and Garden 05-24-16, 01:52 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
year #6!

The salvage mower runs again!

Hard to believe it's on its 6th season.

But it's definitely not happy this year. So far I've only mowed 3 times, and I'm sagging the voltage well below safe...
Forum: Lawn and Garden 05-26-15, 05:02 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
season 5!

Hard to believe this is the start of year #5.

I plugged the mower in several times over the winter to keep the batteries happy (or as happy as they can be at this advanced age) and sharpened the...
Forum: Lawn and Garden 07-03-14, 10:00 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
"$70.19 - $94.49" Canadian prices Black &...

"$70.19 - $94.49" Canadian prices

Black & Decker M3300 replacement 12V Battery Batterybuyer.com (http://www.batterybuyer.com/black-decker-m3300-replacement-battery-p-13333.html)
Forum: Lawn and Garden 07-03-14, 09:52 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
Funny story: A neighbour emailed me recently...

Funny story:

A neighbour emailed me recently saying he was searching for battery replacement options for his Black & Decker mower and found this thread.

He ended up going with a new, OEM...
Forum: Lawn and Garden 05-27-14, 01:35 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
back in action... season #4

Just thought I'd post that the freebie mower has gone back into service ... beginning of its 4th season.

The batteries are getting tired for sure. I've only used it 3 times, and haven't been able...
Forum: Lawn and Garden 08-30-13, 11:25 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
It's been working just fine! Fortunately,...

It's been working just fine!

Fortunately, the wonky voltage issue turned out to be an instrumentation issue: intermittent flaky connection to the permanently attached voltmeter/display.

The...
Forum: Lawn and Garden 06-03-13, 09:16 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
3rd season for the free, previously dead, 12v...

3rd season for the free, previously dead, 12v lawnmower has begun!

I've only used it 3 times so far this year, but I think one of the pair of batteries might be acting up. I've been seeing some...
Forum: Lawn and Garden 09-21-12, 06:22 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
End of season update, 1 year later: Another...

End of season update, 1 year later:

Another year of happy electric mowing. (Well, I'm not exactly happy to be mowing, but you get the idea.)

The mower had less work to do this year than last,...
Forum: Lawn and Garden 11-10-11, 05:16 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
Hi Wogga - welcome to the site. I'm planning...

Hi Wogga - welcome to the site.

I'm planning to solar charge the mower next year too.

And thanks for reminding me: I need to look after the battery this winter so it doesn't self-discharge...
Forum: Lawn and Garden 10-18-11, 04:31 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
Post script: Got a lead acid battery pack...

Post script:

Got a lead acid battery pack that just has enough capacity to do the job in warm weather?

Well it won't quite have enough juice to do it when it gets colder out.

Ask me how I...
Forum: Lawn and Garden 09-15-11, 09:25 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
My neighbour asked me last week how much it cost...

My neighbour asked me last week how much it cost in electricity to run the battery mower.

Answer: less than 5 cents for 3 uses.

~8 months/season * ~3 mows/month = ~24 mows/season, or...
Forum: Lawn and Garden 09-04-11, 01:05 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
The LED gauge works great. 25 minutes...

The LED gauge works great.

25 minutes running time today to cut the whole lawn saw the voltage eventually at ~11.1 indicated (~11.3 actual) under load by the time I was finished.

(Though by...
Forum: Lawn and Garden 09-03-11, 11:04 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
Will do! I plan to cut tomorrow, weather...

Will do! I plan to cut tomorrow, weather permitting.

Since I took on this mower project, I've also slightly reduced the amount of lawn needing to be cut, through a combination of creative...
Forum: Lawn and Garden 09-03-11, 08:47 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
Oh - and the gauge is not very accurate! It...

Oh - and the gauge is not very accurate! It reads .2 volts lower than my multimeter.

No real surprise there (cheap junk!).

It's not really a problem though, since it's pretty consistently .2v...
Forum: Lawn and Garden 09-03-11, 08:43 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
Project finished. Today I got the batteries...

Project finished.

Today I got the batteries snugged down & wedged in place, wire connections cleaned up (taped), the mower "hood" back on, and the digital voltage gauge installed.

Ran into a...
Forum: Lawn and Garden 09-01-11, 10:36 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
http://ecorenovator.org/forum/attachments/lawn-gar...

http://ecorenovator.org/forum/attachments/lawn-garden/1684d1313176167-reviving-free-dead-12v-cordless-black-decker-mower-491357537_o.jpg

My digital volt gauge arrived today. It works, but I...
Forum: Lawn and Garden 08-21-11, 09:39 AM
Replies: 115
Views: 51,811
Posted By MetroMPG
Hi Doug I just used the 10A limited ammeter...

Hi Doug

I just used the 10A limited ammeter built in to my cheap digital multimeter.

Aside from that, if you want to measure higher current, you could possibly use one of the "clamp" style...
Forum: Lawn and Garden 08-16-11, 12:41 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
Thinking about this more, I seem to recall seeing...

Thinking about this more, I seem to recall seeing 6-8 amps while cutting, while erroneously measuring current from only one of the 2 batteries.

So that would make it 12-16 amps in light-moderate...
Forum: Lawn and Garden 08-15-11, 11:13 PM
Replies: 115
Views: 51,811
Posted By MetroMPG
Found someone else trying to sell one of these: ...

Found someone else trying to sell one of these:


8 year old battery "works great." Riiiiight.

Anyone who would buy that without doing some kind of capacity test on the battery is in for a...
Showing results 1 to 25 of 70

 
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