What is 充電式ＣＯＢライト ブラック (Rechargeable COB Light – Black)?
At first glance, this looks like a chunky USB drive. But this palm-sized powerhouse — measuring just 4.5 cm × 6.1 cm × 2.1 cm and tipping the scales at roughly 30 g — is one of the most spec-dense gadgets Daiso has ever put on its shelves for ¥330 (about $2.20). The body is built from ABS, steel, polycarbonate, and silicone rubber, giving it a reassuringly solid feel despite the budget price tag.
The star of the show is its COB (Chip On Board) LED panel. Unlike a traditional single-point LED, COB technology spreads dozens of tiny chips across a wide board, producing a broad, even flood of light with almost no hotspot or harsh shadow. In standard High mode you get 180 lumens; hold the button for two seconds and Booster mode kicks in at a blazing 250 lumens — bright enough to light up a campsite corner or illuminate an entire car engine bay. Charging is via USB-C (cable sold separately), and a two-color LED indicator turns red while charging and green when full, taking roughly 1.2 hours. No disposable batteries, ever.
What really separates this from a generic pocket torch is the multi-tool attachment suite baked right in: a carabiner clip on top for bag or belt-loop carry, a rear magnet strong enough to stick to car doors or metal shelving, a kickstand on the back for angle adjustment, and a standard tripod thread on the bottom. IPX3 rain resistance rounds out a spec sheet that genuinely embarrasses flashlights costing ten times more. Three lighting modes — High → Low → Strobe — plus Booster give you fine-grained control over runtime versus brightness.
 Source: daisonet.com
How to Use It — Hack Ideas
Primary use — everyday carry torch: Clip the carabiner onto a backpack strap or keyring, charge it up once a week, and forget about dead batteries forever. The Low mode (65 lumens, up to 3.5 hours) is perfect for late-night dog walks; Booster covers emergency situations.
Hack #1 — Magnetic under-cabinet kitchen light: Stick the rear magnet to the underside of a metal range hood or the side of your refrigerator. Tap once for warm task lighting while you chop vegetables at night. No wiring, no drilling, no commitment — just peel and reposition whenever you rearrange the kitchen.
Hack #2 — Micro photography/video fill light: Thread a standard ¼-inch tripod screw (the same one your phone mount uses) into the bottom tripod hole. Mount it on a mini desktop tripod — also available at Daiso — angle the kickstand for a 30–45° tilt, and you have a surprisingly capable flat fill light for product photos, unboxing videos, or late-night Zoom calls. At 250 lumens with a wide COB spread, it eliminates harsh shadows without the cost of a dedicated ring light.
Hack #3 — Tent reading lantern: Clip the carabiner to a gear loop inside a tent, switch to Low or Strobe, and it doubles as a soft ambient lantern. The wide COB beam bounces off tent walls beautifully — no need to point it at anything specific.
Reviews & Verdict
Camping and outdoor media have been buzzing about Daiso's COB light family for good reason. Camp Hack's detailed comparison noted that the 250-lumen model holds its own against dedicated camping lanterns costing fifteen times more — specifically calling out Goal Zero's popular Lighthouse Micro Flash (max 135 lumens, ~¥5,000+) as a meaningful benchmark. For pure lumens-per-yen, the math is simply staggering.
Tech reviewers highlighted the COB panel's genuine advantage over single-LED torches: the broad, even flood light is far more useful in close-quarters tasks — looking inside a dark cabinet, reading a map, or doing minor repairs — than a narrow spotlight beam. The Type-C charging and the bi-color status indicator were consistently praised as thoughtful details that feel above the price point.
A few caveats worth noting: the Booster mode's 250-lumen output is capped at roughly 30 minutes of runtime before the light steps down to protect the 200 mAh battery — fine for short bursts, less ideal as a sustained work light. The USB-C cable is not included, which is a minor inconvenience. And if raw brightness is your top priority, Daiso's newer COB Strap Light reaches 300 lumens and charges in one hour flat — though it trades the magnetic mount and tripod thread for a strap-and-clip system. Choose based on how you plan to attach it.
Overall sentiment across reviews lands firmly in "instant buy" territory whenever it's spotted in-store. Stock tends to move fast, and for ¥330, the risk of trying it is essentially zero.
Value Score: 88/100
A near-perfect pocket light that punches so far above its ¥330 price tag it borders on embarrassing for the competition — the only things keeping it from gem status are the missing USB-C cable and the short Booster runtime. Great value, worth every yen.
