{"id":58642,"date":"2026-03-09T08:00:38","date_gmt":"2026-03-08T23:00:38","guid":{"rendered":"https:\/\/norimen.net\/?p=58642"},"modified":"2026-05-16T18:01:50","modified_gmt":"2026-05-16T09:01:50","slug":"never-use-the-battery-site","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/never-use-battery-site\/","title":{"rendered":"Rechargeable batteries that must never be used on site!"},"content":{"rendered":"

<\/p>\n

Hello, everyone.<\/p>\n

This is Enta.<\/p>\n

Here's a really creepy story for today.<\/p>\n

It's not just slope construction workers\u2014tons of people use it on civil engineering and construction sites.Makita Batteries<\/strong>\u3002<\/p>\n

Are you Team Makita or Team Hi-Koki?<\/p>\n

Which one do you guys prefer?<\/p>\n

If you don't know this, it'll cause a fire on site. Seriously.<\/p>\n

\"Impact<\/p>\n

\n

Is the battery I bought online genuine?<\/h2>\n

Recently, I've been seeing some that look just like Makita's genuine batteries,\"Counterfeit Battery\"<\/strong>Apparently, there are a lot of them out there...<\/p>\n

The guy at the hardware store where we always shop told me this.<\/p>\n

I hear Makita has also issued a warning.<\/p>\n

 <\/p>\n

\"Compatible batteries\" have been around for a while, haven't they? The ones without the Makita logo\u2014the ones that are clearly from a different manufacturer.<\/p>\n

They sell it with a sign that says, \"This is not an OEM part.\"<\/p>\n

That's a problem in itself, but what's really bad this time is something else entirely.<\/p>\n

 <\/p>\n

\"Counterfeit products\" that look almost exactly like the genuine articles<\/strong>It seems that large quantities of it are being imported from China.<\/p>\n

<\/p>\n

In December 2023, the Ministry of Economy, Trade and Industry notified Yahoo! Auctions and Yahoo! Flea Market that \u201ca large quantity of non-genuine batteries with model number BL1860B had been shipped from a factory in China, and there is a very high likelihood that this constitutes a violation of the Electrical Appliance and Material Safety Act.\u201d
\n(Ministry of Economy, Trade and Industry: Information Provided to Yahoo Japan Corporation, December 18, 2023)<\/p>\n

Furthermore, Makita itself has issued a warning on its official website stating, \u201cBeware of counterfeit and non-genuine batteries.\u201d<\/p>\n

This isn't just a matter of \"it might be a little dangerous\"; it's something the government is actively working on.<\/p>\n

\"Makita<\/p>\n

\n

Fire accidents are actually happening...<\/h2>\n

You might think, \u201cIsn\u2019t that a bit of an exaggeration?\u201d but it doesn\u2019t seem to be.<\/p>\n

According to a report released by NITE (National Institute of Technology and Evaluation) in June 2024, the use of non-genuine batteries canHouse fires that completely destroy homes occur every year<\/strong>and,<\/p>\n

\"There have been reports of incidents where the device caught fire simply while being left sitting after charging,\" he said.
\n(NITE, \u201cBeware of Low-Priced, High-Risk Non-Genuine Batteries,\u201d June 27, 2024)<\/p>\n

 <\/p>\n

<\/p>\n

Lithium-ion batteries contain flammable electrolyte.<\/p>\n

Once a fire starts, it spreads rapidly. It would be no laughing matter if the prefab building at the site were to burn to the ground.<\/p>\n

It seems they also understand the technical reasons behind the recent spate of accidents involving non-genuine Makita batteries.<\/p>\n

In 2018, Makita released an ultra-fast charger (DC18RF).<\/p>\n

This charges at a high current of up to 12A. The protection circuit in counterfeit and compatible batteries is a copy of Makita\u2019s older, early-model circuit board, which is not designed to handle high-current charging; as a result, the charging process does not stop even if the battery becomes overcharged, leading to a fire.
\n(VOLTECHNO, \u201cWhy Accidents Involving Compatible Batteries for Power Tools Have Suddenly Increased\u201d)<\/p>\n

I suspect the original version would stop charging at this point.<\/p>\n

\n

\"Fire\"<\/h2>\n

5 Ways to Tell the Difference Between Genuine and Counterfeit Products<\/h2>\n

It\u2019s easiest to see in the photos, but here\u2019s a summary of the distinguishing features officially announced by Makita. (Makita News, Inc.<\/a>\uff09<\/p>\n

<\/p>\n

\u2460 The font used for the company logo is different<\/strong>
\nThe font used for the genuine \"Makita\" logo is slightly different from that on the counterfeit product. It's hard to tell just by looking at them individually, so please compare them side by side.<\/p>\n

\u2461 The shape and height of the battery rails are different<\/strong>
\nThe shape and height of the rail (sliding part) used to attach the battery to the main unit differ between genuine and imitation parts.<\/p>\n

\u2462 The terminals and air vents are different<\/strong>
\nThe charging port and the inside of the ventilation slots on the side of the battery appear white on genuine products, whereas they are black on counterfeit ones.<\/p>\n

\u2463 Whether or not there is a white cap<\/strong>
\nOne of the screw holes on the bottom of the genuine product has a \"white cap.\" This is designed to prevent the product from being easily disassembled. Counterfeit products do not have this feature.<\/p>\n

\u2464 Presence or absence of red tape<\/strong>
\nGenuine products have \"red tape\" on the connector terminals to help verify proper installation. Counterfeit products do not have this.<\/p>\n

\"Makita<\/p>\n

High-resolution images\u2014click here for more details<\/a><\/strong><\/span><\/p>\n

\n

Even home improvement store models aren't suitable for professional work sites<\/h2>\n

We've been talking about counterfeit goods so far, but there's one more thing I want you to be careful about.<\/p>\n

Those \"Makita battery-powered tool sets\" sold at home improvement stores\u2014Home Improvement Store Model<\/strong>Most of them are low-cost models.<\/p>\n

It is a genuine product. It is not a counterfeit.<\/p>\n

However, it is designed with the frequency and conditions of use by general consumers in mind, andIt wasn't designed with the assumption that professionals would use it intensively every day.<\/strong><\/p>\n

<\/p>\n

When professionals use them heavily every day, the difference in durability becomes apparent. The quality of the wear-and-tear parts\u2014both the battery and the motor\u2014is different.<\/p>\n

If you use it every day in a harsh environment like a construction site, it will break down quickly.<\/p>\n

Professional-grade tools and batteries are built to last.If you're going to buy one, go for a professional-grade model<\/strong>Please do so.<\/p>\n

\"Power<\/p>\n

I made a super funny picture, so I'm posting it here lol<\/p>\n

This is just way too much, lol.<\/p>\n

\n

So where should I buy it?<\/h2>\n

The answer is simple.<\/p>\n

Makita Authorized Dealers, Hardware Stores, and Building Materials Stores<\/strong>Buy it there. That's all.<\/p>\n

The manufacturer's suggested retail price (excluding tax) for the Makita genuine battery BL1860B (18V, 6.0Ah) is24,400 yen<\/strong>That's it.<\/p>\n

If you search for \u201cMakita Genuine\u201d on Amazon or Rakuten, you\u2019ll find plenty of listings in the 16,000\u201320,000 yen range.<\/p>\n

There is a very real possibility that this has become a hotbed for counterfeit goods.<\/p>\n

Be wary of genuine products that are too cheap. (Even if they\u2019re priced similarly, you might not be able to tell!)<\/strong><\/p>\n

To be honest, I don't really recommend online shopping because you can't see the items in person.<\/p>\n

It's definitely best to buy from a trusted brick-and-mortar store where you're a regular.<\/p>\n

\"Makita<\/p>\n

<\/p>\n

If you skimp on a single battery and a fire breaks out on site, the damage could be incalculable.<\/p>\n

What if a battery catches fire on the job site? It wouldn't just injure you\u2014it could also endanger the workers around you.<\/p>\n

Reporting to the general contractor, compensation for damages, and\u2014in the worst-case scenario\u2014suspension of construction. If the prefabricated structure burns down completely, who will be held responsible?<\/p>\n

If this were a construction site, things could get even more out of control...<\/p>\n

I've heard that these days, if you use counterfeit products on a job site, you won't be allowed on the site.<\/p>\n

 <\/p>\n

This isn't about skimping on genuine parts that cost a mere 20,000 to 30,000 yen each.<\/p>\n

If you want to complete the job quickly, cleanly, accurately, and reliably, don\u2019t use counterfeit products!<\/p>\n

\"Good work starts with good tools.\" That's what people have always said.<\/p>\n

 <\/p>\n

See you later.<\/p>","protected":false},"excerpt":{"rendered":"

Hello, everyone. This is Enta. Today I\u2019ve got a really scary story. Makita batteries are used by tons of people\u2014not just on slope-construction sites, but at civil engineering and construction sites in general. Are you Team Makita or Team Hi-Koki? Which side are you on? If you don\u2019t know this, it could cause a fire on the job site. Seriously. The batteries I bought online\u2026<\/p>","protected":false},"author":2,"featured_media":58649,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[1319,5331,6481,14230],"class_list":["post-58642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-others","tag-1319","tag-5331","tag-6481","tag-14230"],"acf":[],"yoast_head":"\n\u96fb\u52d5\u5de5\u5177\u306e\u5145\u96fb\u6c60\u3000\u6a21\u9020\u54c1\u3000\u4f7f\u308f\u306a\u3044\u4e8b\u306e\u91cd\u8981\u6027 - \u65b0\u30a8\u30f3\u30bf\u306e\u6cd5\u9762\u7ba1\u7406\u587e<\/title>\n<meta name=\"description\" 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