Batterie 3r12
Overview
Product sourcing insights & recommendations
The 3R12 battery, commonly known as the "flat battery" or "4.5V lantern battery," is a legacy power source experiencing a shift from broad consumer use to a specialized niche market. Historically dominant in Europe for flashlights and lanterns, it is now primarily driven by vintage restoration, educational kits, and specialized industrial tools BatteryequivalentsReddit.
Market Trends & Insights
- 1Shift to Alkaline (3LR12): While the zinc-carbon (3R12) version is cheaper, there is a clear market trend toward the 3LR12 alkaline version due to its 2x capacity (up to 3,000 mAh) and superior leak resistance CamelionBatteryequivalents.
- 2Conversion & Sustainability: A growing trend among hobbyists and vintage collectors is the use of 3xAA to 3R12 adapters. This allows users to power legacy devices with modern, rechargeable, or cheaper AA cells, reducing the demand for the original flat pack CandlepowerforumsBatteryequivalents.
- 3Industrial vs. Consumer: Demand is increasingly concentrated in the B2B and educational sectors. Schools use them for basic circuitry teaching, while the industrial sector retains them for older measuring instruments and miner's lamps WinpowhubCamelion.
Product Overview
* Specifications: A 4.5V rectangular pack (approx. 67x62x22mm) containing three internal cells in series WinpowhubBatteryequivalents.
* Pricing: B2B wholesale prices range from $0.30 to $0.40 per unit for high-quality alkaline versions, with zinc-carbon variants often lower at higher volumes AlibabaAlibaba.
3r12 Battery 4.5v Zinc Carbon
Products · 3 lists
Super Long Lasting Zinc Carbon 4.5v 3r12 Latern Battery 4.5v Heavy Duty Dry Disposable Miner Light Headlamp Battery 3r12p
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Changzhou Kiwin Energy Co., Ltd.🇨🇳CN9 yrsCompetitive Price AA R6P SUM-3 Zinc Carbon Battery for Remote Control
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Sources & References
26 sources cited · Verified industry data & reports
Finally tracked down a battery for this, and it works!!
Reddit · r/flashlight
It's a 4.5v Zinc Carbon battery, known as a 3R12. From what I read online they were used in mining lights. You can really only buy them from ...
China 3R12 Battery Suppliers & Manufacturers & Factory
Huizhou WinPow Industrial Co., Ltd.
It is commonly used in flashlights, lanterns, cameras, and other applications. Voltage: 4.5 volt Weight: approximate≥ 110g. Capacity 1260mah
3LR12 3R12 4.5 Volts Flat Battery
Battery Equivalents
On average, a zinc-carbon 3R12 battery weighs 105-115 grams and features a nominal capacity of 1000-1500 mAh, while an alkaline 3LR12 battery ...
Adapters for 3(L)R12 available in the USA?
Candle Power Forums
The R12 cell is also known as the B battery, Eveready U10 or No. 30. Roughly 21.5 mm x 60 mm. for use in 3R12 batteries.
Panasonic 3R12 Alkaline Battery 4.5V
Batteries.Gr
One Use. Chemistry, Alkaline. Battery Size, 4.5V LR12. Voltage, 4.5V. Package items, 1. Quantity Per Carton, 12 Blister. Common device Applications, Flashlights.
CAMELION 3R12 Flat Battery 4.5 Volt / SHD / SP1
camelion.com
Voltage: 4.5V Nominal capacity: 2000mAh Operating temperature: -18 to 55° C Storage temperature: 15° to 25° C Best before date (BBD): 2 to 2.5 years