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Is There a Lithium-Ion Battery Shortage Brewing?


Having spoken with several industry insiders from different companies, it’s clear that there is a lithium-ion battery shortage coming, and the blame is falling on the auto industry.

While it certainly seems like we live in the golden age of cordless tool innovation, a storm is brewing that you may not have heard about: the finite resource of lithium-ion batteries.

Just the Facts

  • Increased demand in the automotive industry is driving a lithium-ion battery shortage
  • Lithium supplies currently appear fixed
  • A shift to battery-powered commercial lawn equipment may put additional strain on the supply
  • Companies like Honda and GM are looking at alternatives, including hydrogen fuel cell technology
  • Cordless tool manufacturers predict battery shortages and increased prices if nothing changes

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What’s Eating Up the Lithium?

According to an Engineering.com report, most of our global lithium supply exists in Chile, Argentina, and Bolivia. Between strict controls and varying business policies, not enough mining of lithium exists to keep up with demand. Letting lithium mining go completely unchecked also presents a poor option.

In Chile’s case, it might just be smart business. By putting tight controls on how much lithium they mine, the supply lasts longer. We’ll hold off on the OPEC comparisons for now.

Is There a Lithium-Ion Battery Shortage Brewing?

The automotive industry bears the blame for the quick shift from sustainable production to the present lithium-ion battery shortage. Tesla makes one sweet-looking car, but they use more than 5,000 lithium-ion cells on the low end. Their high-end models contain more than 7,000 cells. Compare that to the 3 cells in a compact 12V battery pack. Even the biggest batteries for cordless outdoor power equipment use between 15 to ~42 cells.

Battery powered EV vehicles use thousands of times more Li-ion cells.

Of course, the EV industry isn’t the only possible strain on supply—just the largest. Environmentally-conscious groups around the country want more “green spaces”. These areas regulate or even ban the use of gas-powered lawn equipment. Short of moving to hydrogen fuel cells, all those commercial mowers potentially have massive lithium-ion cell needs.

Photo Credit: www.opereviews.com

A look inside a Tesla or even a Greenworks lithium-ion zero turn mower shows they use 18650 or 21700 lithium-ion cells. These very same cells fuel a majority of cordless power tools.

What To Expect Moving Forward

As demand rises with the popularity and/or regulation of battery-powered cars and lawn equipment we expect the lithium-ion battery shortage to start having a greater effect. On EV vehicles, people already experience longer wait times after placing an order.

On the OPE side, most of the demand lies with consumer products. This includes push mowers, string trimmers, and blowers. At the moment, those supplies seem sufficient for residential markets. The commercial side of the industry makes slower moves to change from gas to battery. Not enough demand exists for these new products (yet) to see if the lithium shortage is having an effect on delivering those orders.

More likely, the supply of cordless power tools will suffer. This will likely take two forms—straight out of your high school economics class. First, as the supply tightens up, you might have trouble getting replacement batteries quickly. Second, you can almost certainly expect to see prices start to creep upwards. Supply and demand always come into play.

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Don’t Hit the Panic Button… Yet

Now is not the time to go out and buy as many lithium-ion batteries as you can store. We aren’t seeing issues with supply just yet, and prices are fairly stable. You will pay a premium to move from 18650 packs to those using newer 20700 or 21700 cells.

Keep in mind that 3-5 years marks the average lifespan of a lithium-ion battery pack. This holds true even if it simply sits on the shelf unused. You can take steps to extend the life, but stockpiling makes little sense.

How Long Do Lithium-Ion Batteries Last?

Manufacturers keep an eye on these things, and they’re not waiting around to see what happens. Honda and GM are partnering to work on the next generation of batteries with a focus on the automotive industry. This agreement follows their 2017 announcement of a partnership to target hydrogen fuel cells.

If the automotive side makes the shift to a different cell, it will ease up the demand on lithium. This would allow cordless tools to continue moving forward using current technology.

Shortage or not, I’ll still take a Tesla Model 3 if someone wants to give it to me!

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wildtwindad
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wildtwindad

Just remember that there is a significant reason that the US has kept a presence in Afghanistan. Besides the opium there is the next largest deposits of lithium and other significant rare earth elements available. This is to the tune of 1-3 Trillion dollars worth. They just do not advertise this, they push the other buttons first.

Mark
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Mark

It would seem to me that if lithium is going to be scarce, then old lithium batteries should be worth something. No just drop for free in the recycle bin.

Derek
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Derek

Can’t blame Tesla, they make all their own batteries! 🙂
I personally don’t for-see a battery shortage, because a ton of money is being spent on current & future batteries, a lot of money to be had…someone will always want that money, and they will make batteries to get it.

Ron
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Ron

Did big oil put you up to this?

Jerry
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Jerry

Might be an interesting situation with the Ridgid LSA batteries! I have six that have an LSA (got them with kits — those are the only LSA one’s available.)