
Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery

3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
 
 
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
 
 
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
 
 
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
 
 
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
 
 
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
 
 
release time:2025-07-19 Hits: Popular:AG11 battery
Distinguishing battery model sizes involves understanding standardized naming conventions, physical dimensions, and application-specific codes, which vary by chemistry and use case. For cylindrical lithium-ion batteries, the most common format, the model number directly indicates size: the first two or three digits represent diameter in millimeters, followed by length in millimeters. For example, the 18650 model is 18mm in diameter and 65mm in length, while the 21700 is 21mm × 70mm. These numbers are critical for compatibility—using a 20700 cell in a device designed for 18650 will result in a poor fit and potential safety risks.
Prismatic and pouch batteries use different coding, often including voltage, capacity, and dimensions. A model like "LP503048" indicates a Li-polymer pouch cell with a thickness of 5mm, width of 30mm, and length of 48mm, with additional characters denoting capacity (e.g., "1000mAh"). Some manufacturers also include chemistry codes, such as "LFP" for lithium iron phosphate or "NCM" for nickel-cobalt-manganese, which affect performance but not size.
For consumer batteries (e.g., AA, AAA), international standards define size: AA batteries (LR6) are 14.5mm × 50.5mm, while AAA (LR03) are 10.5mm × 44.5mm. These are often labeled with both the letter code and dimensions to avoid confusion. Rechargeable versions (e.g., 14500 for AA-sized Li-ion) retain the same dimensions as disposable cells but have different chemistry.
EV and industrial batteries use custom sizes, with model numbers referencing application-specific requirements. For example, Tesla’s 4680 battery (46mm × 80mm) is larger than traditional 21700 cells, optimized for higher energy density in EVs. To identify these, cross-referencing manufacturer datasheets with physical measurements (diameter, length, weight) is essential, as model names may not follow universal standards.
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