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Battery Management Systems

Eaton provides a wide portfolio of products for Battery Management Systems (BMS), including terminal blocks, fuses, supercapacitors, chokes, inductors, and more. Battery Management Systems monitor individual cells, system voltage, current, and temperature. When monitoring individual cells, the BMS balances voltages and regulates the current flow, and if the upper or lower voltage, current, or temperature limit is exceeded, the BMS temporarily disconnects the load or source. Eaton Battery Management Systems estimate the State of Health (SoH), State of Charge (SoC), State of Energy (SoE), and State of Power (SoP) in batteries.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 15W 5V 3A POEA2FB1V15W1X5 Eaton Electronics 1: ¥495 441In Stock	Mfr. Part # POEA2FB1V15W1X5 Mouser Part # 504-POEA2FB1V15W1X5	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 15W 5V 3A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	441In Stock	Cut Tape ¥495 ¥478.4 ¥460.1 ¥423.6 Reel ¥408.6 ¥315.6 MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single 18.5W 12V 1.5A POEA2FB1V18W1X12 Eaton Electronics 1: ¥521.6 458In Stock	Mfr. Part # POEA2FB1V18W1X12 Mouser Part # 504-POEA2FB1V18W1X12	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single 18.5W 12V 1.5A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	458In Stock	Cut Tape ¥521.6 ¥495 ¥471.7 ¥438.5 Reel ¥415.3 View ¥402 ¥393.7 ¥385.4 MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Single Out 18W 12V 1.5A POEB1FB1V18W1X12 Eaton Electronics 1: ¥438.5 528In Stock	Mfr. Part # POEB1FB1V18W1X12 Mouser Part # 504-POEB1FB1V18W1X12	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Single Out 18W 12V 1.5A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	528In Stock	Cut Tape ¥438.5 ¥425.2 ¥408.6 ¥402 Reel ¥377 View ¥308.9 ¥300.6 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 14W 5V 2.8A POEA2FB2V14W1X5 Eaton Electronics 1: ¥528.2 457In Stock	Mfr. Part # POEA2FB2V14W1X5 Mouser Part # 504-POEA2FB2V14W1X5	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 14W 5V 2.8A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	457In Stock	Cut Tape ¥528.2 ¥511.6 ¥490 ¥461.8 Reel ¥375.4 View ¥365.4 ¥362.1 MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 12W 12V 1A POEA2FB4V12W1X12 Eaton Electronics 1: ¥350.5 455In Stock	Mfr. Part # POEA2FB4V12W1X12 Mouser Part # 504-POEA2FB4V12W1X12	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 12W 12V 1A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	455In Stock	Cut Tape ¥350.5 Reel ¥348.8 ¥345.5 ¥337.2 ¥328.9 MouseReel Available	Min.: 1 Mult.: 1 : 200
DC/DC Converters - SMD DC/DC CONV,EPM78V2,1000MA,6.5V EPM78V2-06R5-01R0R Eaton Electronics 1: ¥993.3 368In Stock	Mfr. Part # EPM78V2-06R5-01R0R Mouser Part # 504-EPM78V206R501R0R	Eaton Electronics	DC/DC Converters - SMD DC/DC CONV,EPM78V2,1000MA,6.5V Learn More about Eaton Electronics eaton epm78v dc dc converters	Datasheet	368In Stock	¥993.3 ¥956.7 ¥941.8 ¥910.2 View ¥895.3 ¥887 ¥858.7 ¥857.1	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers Flybk Xfmr EP13 Dual Out 10W 5V 0.02A 2A POEA2FB1V10W2X5 Eaton Electronics 1: ¥521.6 455In Stock	Mfr. Part # POEA2FB1V10W2X5 Mouser Part # 504-POEA2FB1V10W2X5	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EP13 Dual Out 10W 5V 0.02A 2A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	455In Stock	Cut Tape ¥521.6 ¥471.7 ¥440.2 ¥408.6 Reel ¥406.9 View ¥387 ¥367.1 MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 13W 24V 0.55A POEA2FB1V13W1X24 Eaton Electronics 1: ¥340.5 446In Stock	Mfr. Part # POEA2FB1V13W1X24 Mouser Part # 504-POEA2FB1V13W1X24	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 13W 24V 0.55A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	446In Stock	Cut Tape ¥340.5 Reel ¥340.5 ¥338.8 MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Dual 13W 5V 0.01A 2.6A POEB1FB1V13W2X5 Eaton Electronics 1: ¥310.6 540In Stock	Mfr. Part # POEB1FB1V13W2X5 Mouser Part # 504-POEB1FB1V13W2X5	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Dual 13W 5V 0.01A 2.6A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	540In Stock	Cut Tape ¥310.6 Reel ¥308.9 ¥300.6 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers Flybk Xfmr EFD20 Single Out 60W 12V 5A POEB2FB1V60W1X12 Eaton Electronics 1: ¥887 328In Stock	Mfr. Part # POEB2FB1V60W1X12 Mouser Part # 504-POEB2FB1V60W1X12	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EFD20 Single Out 60W 12V 5A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	328In Stock	Cut Tape ¥887 ¥858.7 ¥843.8 ¥823.9 Reel ¥659.4 View ¥782.3 ¥637.8 ¥624.5 MouseReel Available	Min.: 1 Mult.: 1 : 150
Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 27W 3.3V 8A POEA2FB1V27W1X3 Eaton Electronics 1: ¥367.1 459In Stock	Mfr. Part # POEA2FB1V27W1X3 Mouser Part # 504-POEA2FB1V27W1X3	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 27W 3.3V 8A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	459In Stock	Cut Tape ¥367.1 Reel ¥367.1 ¥365.4 MouseReel Available	Min.: 1 Mult.: 1 : 200
Audio Transformers / Signal Transformers Flyb Xfmr EFD15 Dual 13.7W 5V 0.01A 1.5A POEB1FB1V14W2D Eaton Electronics 1: ¥468.4 560In Stock	Mfr. Part # POEB1FB1V14W2D Mouser Part # 504-POEB1FB1V14W2D	Eaton Electronics	Audio Transformers / Signal Transformers Flyb Xfmr EFD15 Dual 13.7W 5V 0.01A 1.5A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	560In Stock	Cut Tape ¥468.4 ¥425.2 ¥395.3 ¥383.7 Reel ¥363.8 View ¥332.2 ¥327.2 MouseReel Available	Min.: 1 Mult.: 1 : 250
Audio Transformers / Signal Transformers Flybk Xfmr EFD20 Single Out 42W 12V 3.5A POEB2FB1V42W1X12 Eaton Electronics 1: ¥777.3 350In Stock	Mfr. Part # POEB2FB1V42W1X12 Mouser Part # 504-POEB2FB1V42W1X12	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EFD20 Single Out 42W 12V 3.5A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	350In Stock	Cut Tape ¥777.3 ¥740.8 ¥717.6 ¥704.3 Reel ¥629.5 View ¥677.7 ¥609.6 ¥604.6 MouseReel Available	Min.: 1 Mult.: 1 : 150
Supercapacitors / Ultracapacitors Eaton HSL Hybrid Supercapacitor, 3.8V, 25F, 0.65 ohm, Low T HSL0820-3R8256-R Eaton Electronics 1: ¥735.8 1,186In Stock	Mfr. Part # HSL0820-3R8256-R Mouser Part # 504-HSL0820-3R8256-R	Eaton Electronics	Supercapacitors / Ultracapacitors Eaton HSL Hybrid Supercapacitor, 3.8V, 25F, 0.65 ohm, Low T Learn More about Eaton Electronics eaton hs hsl supercapacitors	Datasheet	1,186In Stock	¥735.8 ¥526.5 ¥443.5 ¥415.3 View ¥343.8 Quote	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 60F 2.7V EDLC HV SERIES CYL HV1840-2R7606-R Eaton Electronics 1: ¥1,355.4 371In Stock	Mfr. Part # HV1840-2R7606-R Mouser Part # 504-HV1840-2R7606-R	Eaton Electronics	Supercapacitors / Ultracapacitors 60F 2.7V EDLC HV SERIES CYL Learn More about Eaton Electronics eaton hv supercapacitors	Datasheet	371In Stock	¥1,355.4 ¥911.9 ¥862.1 ¥822.2 View ¥759.1 ¥737.5	Min.: 1 Mult.: 1
Pulse Transformers XFMRCONT MD FLY 100UH 1. CTX02-15242-R Eaton Electronics 1: ¥2,679.2 191In Stock	Mfr. Part # CTX02-15242-R Mouser Part # 704-CTX02-15242-R	Eaton Electronics	Pulse Transformers XFMRCONT MD FLY 100UH 1.	Datasheet	191In Stock	Cut Tape ¥2,679.2 ¥2,278.9 ¥2,185.9 ¥2,117.8 Reel ¥1,965 View ¥2,051.3 ¥1,903.5 ¥1,842 MouseReel Available	Min.: 1 Mult.: 1 : 200
Supercapacitors / Ultracapacitors 5F 5.4V EDLC PHV SERIES HORZ PHV-5R4H505-R Eaton Electronics 1: ¥2,607.8 168In Stock	Mfr. Part # PHV-5R4H505-R Mouser Part # 504-PHV-5R4H505-R	Eaton Electronics	Supercapacitors / Ultracapacitors 5F 5.4V EDLC PHV SERIES HORZ Learn More about Eaton Electronics cooperPHBcaps	Datasheet	168In Stock	¥2,607.8 ¥2,581.2 ¥2,443.3 ¥2,217.4 ¥1,563	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 220F 3.8V 20% HSL1625-3R8227-R Eaton Electronics 1: ¥2,156 367In Stock	Mfr. Part # HSL1625-3R8227-R Mouser Part # 504-HSL1625-3R8227-R	Eaton Electronics	Supercapacitors / Ultracapacitors 220F 3.8V 20% Learn More about Eaton Electronics eaton hs hsl supercapacitors	Datasheet	367In Stock	¥2,156 ¥1,498.2 ¥1,430.1 ¥1,428.5	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors .1F 5.5V EDLC Coin Cell Cyl KR-5R5C104-R Eaton Electronics 1: ¥612.9 613In Stock	Mfr. Part # KR-5R5C104-R Mouser Part # 504-KR-5R5C104-R	Eaton Electronics	Supercapacitors / Ultracapacitors .1F 5.5V EDLC Coin Cell Cyl Learn More about Eaton Electronics eaton kr coin cell supercapacitors	Datasheet	613In Stock	¥612.9 ¥473.4 ¥406.9 ¥382 View ¥353.8 ¥352.1	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 3F 5V EDLC PHB SERIES HORZ PHB-5R0H305-R Eaton Electronics 1: ¥2,969.9 147In Stock	Mfr. Part # PHB-5R0H305-R Mouser Part # 504-PHB-5R0H305-R	Eaton Electronics	Supercapacitors / Ultracapacitors 3F 5V EDLC PHB SERIES HORZ Learn More about Eaton Electronics cooperPHBcaps	Datasheet	147In Stock	¥2,969.9 ¥2,338.7 ¥2,084.6 ¥2,082.9 View ¥1,871.9 ¥1,847	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 1F 5V EDLC PM SERIES VERT PM-5R0V105-R Eaton Electronics 1: ¥1,850.4 863In Stock	Mfr. Part # PM-5R0V105-R Mouser Part # 504-PM-5R0V105-R	Eaton Electronics	Supercapacitors / Ultracapacitors 1F 5V EDLC PM SERIES VERT Learn More about Eaton Electronics eaton m pm supercapacitors	Datasheet	863In Stock	¥1,850.4 ¥1,745.7 ¥1,491.6 ¥1,478.3 Quote Quote	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 61.7F 18V XTM-18R0626-R Eaton Electronics 1: ¥34,944.1 49In Stock 10Expected 10/23/2026	Mfr. Part # XTM-18R0626-R Mouser Part # 704-XTM-18R0626-R	Eaton Electronics	Supercapacitors / Ultracapacitors 61.7F 18V Learn More about Eaton Electronics eaton xtm 18 supercapacitor	Datasheet	49In Stock 10Expected 10/23/2026	¥34,944.1 ¥32,406.1 ¥26,301.9	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 1F 5.5V EDLC Coin Cell Cyl KR-5R5C105-R Eaton Electronics 1: ¥1,106.2 2,814In Stock	Mfr. Part # KR-5R5C105-R Mouser Part # 504-KR-5R5C105-R	Eaton Electronics	Supercapacitors / Ultracapacitors 1F 5.5V EDLC Coin Cell Cyl Learn More about Eaton Electronics eaton kr coin cell supercapacitors	Datasheet	2,814In Stock	¥1,106.2 ¥880.3 ¥807.2 ¥689.3 View ¥621.2 ¥601.3 ¥481.7	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors 0.22F 5.5V 80% KW-5R5C224H-R Eaton Electronics 1: ¥1,167.7 932In Stock	Mfr. Part # KW-5R5C224H-R Mouser Part # 504-KW-5R5C224H-R	Eaton Electronics	Supercapacitors / Ultracapacitors 0.22F 5.5V 80% Learn More about Eaton Electronics cooper KW supercaps	Datasheet	932In Stock	¥1,167.7 ¥862.1 ¥740.8 ¥646.1 View ¥624.5 ¥612.9	Min.: 1 Mult.: 1
Supercapacitors / Ultracapacitors .1F 5V EDLC P SERIES CYL PB-5R0V104-R Eaton Electronics 1: ¥832.2 1,113In Stock	Mfr. Part # PB-5R0V104-R Mouser Part # 504-PB-5R0V104-R	Eaton Electronics	Supercapacitors / Ultracapacitors .1F 5V EDLC P SERIES CYL Learn More about Eaton Electronics eaton p supercapacitors	Datasheet	1,113In Stock	¥832.2 ¥735.8 ¥579.7 ¥541.5 View ¥501.6 ¥398.6	Min.: 1 Mult.: 1