GRRReen, Inc.

Lithium Racing Batteries are here!

Tom Stacey — Thu, 15 Apr 2010 20:30:35 +0000

Do you need reliable cranking power, in a lightweight, compact package?

Perfect for on- and off-road racing and other applications where failure is not an option, our Lithium Racing Batteries are available now!

Golf Industry Show sees GRRReen

Tom Stacey — Tue, 16 Feb 2010 18:47:43 +0000

We’re back from an amazing few days at the Golf Industry Show at the San Diego Convention Center Feb. 10 and 11.

Our booth was crowded with people wanting a look at a new Club Car golf car with a 60-amp-hour Lithium Power Pack (LPP) installed, on loan from La Jolla Country Club (thanks Jorge!).

Dozens of OEMs, dealers and distributors from across the United States and around the world stopped by to learn more about how the LPP enhances performance, increases productivity, and extends the range of golf cars and golf course maintenance equipment — in a lightweight package that’s actually more cost-effective than antiquated lead-acid batteries.

We have a winner!

Congratulations to Thomas Streiff, Golf Superintendent at Forest Hills Country Club in Middletown, Ohio, the lucky winner of our Golf Industry Show giveaway — a deluxe GRRReen-branded backpack, and a bottle of The Prisoner 2007 Napa Valley Red from Orin Swift Cellars.

Salut!

Video: Golf carts running on lithium ion batteries

Tom Stacey — Sat, 13 Feb 2010 01:00:24 +0000

We installed the Lithium Power Pack in a pair of EZGO golf cars at Encinitas Ranch Country Club recently. Here’s a little test run in the parking lot — you’ll see that the cart equipped with GRRReen’s 60-amp-hour LPP is a little quicker off the line than the one with the 40-amp-hour LPP.

In either size, the LPP:

Requires zero maintenance
Weighs about one-fifth of conventional lead-acid batteries
Charges in half the time (and use half the electricity)
Goes farther on every charge (36 holes or more)
Lasts for more than 2,000 cycles

How to be a hero

Tom Stacey — Tue, 09 Feb 2010 00:37:46 +0000

If you’re managing a fleet of golf carts, you’d love the opportunity to remove 500 pounds or so from every cart — and increase performance across the board.

Can you really do all that, at a lower cost of ownership? Yes, you can!

Greens mowers go farther with Lithium Power Pack

mcinvale — Thu, 04 Feb 2010 21:36:52 +0000

What if you could put lithium ion batteries in your electric mower?

That’s what we did for Encinitas Ranch Country — and the results have been very positive. See what Golf Superintendent Kent Graff has to say.

See us at the Golf Industry Show

mcinvale — Tue, 19 Jan 2010 21:35:01 +0000

GRRReen will be at the Golf Industry Show at the San Diego Convention Center Feb. 10 and 11, 2010.

Our Lithium Power Pack can add power and efficiency to your fleet of golf cars or maintenance vehicles (including electric greens mowers).

Stop by and we’ll show you how we can help you:

Reduce maintenance
Cut your electricity costs
Go farther on every charge

See you in San Diego!

Turning over the new Leaf

Tom Stacey — Fri, 20 Nov 2009 23:32:47 +0000

Our friends in the Fleet Services Department at UC San Diego invited us to the campus this morning for an up-close look at the all-electric Nissan Leaf.

Slated for availablity late in 2010, the Leaf can reach speeds of up to 90 mph, and will go about 100 miles per charge, according to Nissan.

While the sticker price is not firm, Nissan representatives said they expect it to be in the range of most new cars today, about $26,000 to $33,000.

The Leaf runs on an array of lithium-ion batteries, which are housed beneath the floor in 48 flat modules. They deliver a maximum of 90 KW to the electric motors. This was plenty of power for quick, totally silent acceleration, as we found in a quick test drive around the parking lot.

The car’s batteries can be charged three ways:

With a fast-charging station that will power the batteries to about 80 percent in half an hour
Through a 220-volt outlet, in about six to eight hours
And longer through a standard 110-volt outlet

We judged it to be a sweet ride, one that is so silent that Nissan will probably want to develop some sort of noise generator to alert people and animals that the Leaf is coming.

With its commuter-friendly range, zero emissions and a high-performance lithium-ion power pack, the Leaf looks like the around-town car of the future.

How reliable are your power systems?

Tom Stacey — Tue, 10 Nov 2009 19:42:50 +0000

A recent cartoon from Henry Payne at the Detroit News. That guy must not have been using lithium-ion batteries!

LPP spoils truck driver’s plan for a short work day

Tom Stacey — Tue, 13 Oct 2009 23:41:20 +0000

Last month we installed one of our Lithium Power Packs (LPP) in an electric vehicle at a busy work facility.

This was a trial, so that the client could experience the superior energy storage, burst and durability of the Lithium Power Pack, which includes state-of-the-art lithium-ion cells and our proprietary Battery Management System (BMS).

Well, the LPP performed as expected for two weeks – that is, it enabled a heavy-duty short-haul truck to go all day, with zero maintenance required, and greater capacity due to a dramatically lighter load of batteries.

Then one day the truck suddenly died. The batteries were drained, all the way to zero.

This was totally uncharacteristic – the LPP normally lasts for 2,000 cycles, or six years. So we began to investigate what happened. Before long, we heard from the client, who gave us the rest of the story: It turns out that the employee who drove the vehicle intentionally left the key in and the light on, so that the power would drain all the way down.

It seems that when the truck ran on lead acid batteries, it died every day at 2 p.m. – and the employee could go home. Once we installed the LPP in his truck, he actually had to work a full shift!

That guy is probably not a fan of the LPP. But as more and more fleet managers are discovering, the LPP is pretty awesome. And not just because it cuts into employees’ nap time.

When you factor in savings from:

Faster charging
Improved productivity
Less weight
Much longer life

… the LPP is actually a better bargain than lead acid batteries.

How to make your utility truck 588 pounds lighter

Tom Stacey — Thu, 03 Sep 2009 22:47:28 +0000

How much can the right battery solution improve your performance?

We’re going to find out — and one fleet manager is going to be very happy. GRRReen technicians today swapped out some lead acid batteries in a Taylor Dunn ET-150 72V Electruck for the Lithium Power Pack from GRRReen.

And they made the truck a lot lighter in the process.

They removed 12 AGM lead-acid battery cells that weighed a total of 770 pounds, and replaced them with one 100 Amp Hour, 72V Lithium Power Pack that weighed only 182 pounds.

After reducing the weight of the vehicle by 588 pounds, it might be necessary to rewrite the spec sheet.

It says here that the RT-150, powered by an electric drivetrain, “can reach speeds of up to 25 miles per hour, while providing over 40 miles in range,” and that it will “carry loads of up to 1,500 pounds.”

With 770 pounds of lead acid batteries

We’ll be watching closely to see how much farther and faster it will go now that it’s powered by the Lithium Power Pack!

With two Lithium Power Packs, weighing 182 pounds