双葉電気 List of Products and Services

We would like to introduce our "Custom (Special Order) Secondary Battery Development Service." With safety design as a top priority, we propose batteries that are suitable for your application in terms of pack shape and dimensions. We mainly select domestic cells and Taiwanese cells, but upon request, we can also consider other Asian cells. 【Key Points】 ■ We provide batteries that are a perfect fit in terms of quality, size, and cost. ■ We can manufacture packs that comply with medical class III standards. ■ We have one of the few pack technologies available domestically. ■ We also handle some standard development specification packs. *For more details, please refer to the PDF materials or feel free to contact us.

• Secondary Cells/Batteries
• Other contract services

We would like to introduce our "Custom Power Supply Development Service." We are committed to domestic integrated production and provide high-quality power supplies tailored to our customers' specifications. By adopting a unique resonant switching circuit, we can also offer power supplies with low noise, high reliability, and high efficiency. 【Key Points】 ■ Specializing in high efficiency, low noise, and low ripple power supplies ■ Achieving long-term supply of power supply development ■ Capable of complying with various safety standards in different countries *For more details, please refer to the PDF document or feel free to contact us.

• power supply
• Other contract services

【Product Features】 - High-quality charger with domestic integrated production - Compatible with 24V and 48V lithium-ion batteries and lead-acid batteries - Supports battery packs with built-in thermistors - Equipped with pre-charge function - Built-in AC adapter - Planned to obtain Electrical Appliance and Material Safety Law certification, compliant with RoHS2 (10 substances) *Please feel free to contact us for more information.

• Charger

We would like to introduce the standard battery pack 'FSB-02011' handled by Futaba Electric. As part of our standard product lineup, it is possible to reduce initial costs such as development costs, development lead time, and certification acquisition fees. We can provide long-term supply for industrial equipment. Additionally, we offer custom battery packs, including semi-custom products with changes to the nameplate design, as well as fully custom products where you can freely set the cell configuration and pack shape according to your requirements. Please feel free to contact us for more information. 【Features】 ■ High-quality battery for industrial portable devices ■ High capacity: 4932mAh/36.4Wh (typ.) ■ Compact size: W48×L83×H24.5 ■ High output: Capable of discharging up to 7A ■ High safety with multiple protection features BMS (overcharge, deep discharge, overheating, and more) *For more details, please refer to the PDF materials or feel free to contact us.

• Secondary Cells/Batteries

Futaba Electric is a domestic switching power supply manufacturer established in 1962. Since its founding, the company has been committed to domestic integrated production, practicing the design and development of high-performance power supplies that can be used safely and securely, as well as manufacturing and quality assurance. Our custom power supplies are tailored to meet the needs of our customers' business equipment and are produced and used for 5 to 10 years. Unlike standard power supplies, we do not suddenly discontinue production, and we continue to supply high-quality power supplies for as long as possible. Futaba Electric's high-quality power supplies, which can be supported for long periods, are widely adopted in medical, communication, infrastructure, and industrial applications. For long-term, safe, and secure power supply development, trust Futaba Electric. *For more details, please refer to the related links page or feel free to contact us.*

• Switching Power Supply

Our company has accumulated years of expertise in charging lithium-ion and nickel-metal hydride batteries, and we have been selling them as a set with chargers. While further developing the excellent energy density of lithium-ion batteries and expanding their range of applications, nickel-metal hydride batteries offer remarkable cost advantages. By utilizing the accumulated know-how in component selection, design methods, production means, and considering charging and discharging methods and usage, secondary batteries can become a good partner for your products. 【Features】 ■ We respond to customer requests for "various pack shapes" as much as possible, considering convenience. ■ We also custom-develop additional features to contribute to both convenience and safety. - Battery protection circuit BMS, remaining capacity indicator, communication functions, etc. ■ We approach from both the charger and secondary battery sides to minimize potential issues. ■ We select suitable batteries from a wide range of cell candidates from multiple cell manufacturers. ■ We accommodate small lot sizes as much as possible. *For more details, please refer to the related link page or feel free to contact us.

• Secondary Cells/Batteries

【Features】 ■ Design and manufacturing of various soft packs ■ Design and manufacturing of various hard packs ■ Safety certifications: UN38.3, UL2054, IEC62133 ■ Obtained recycling marks in various countries: EU *For more details, please download the PDF or contact us.

• Lithium-ion battery

This is a button-shaped nickel-metal hydride rechargeable battery made in Germany. 【Features】 ■ Flexible shape compatibility (stackable, flat placement, etc.) ■ Flexible voltage compatibility (1.2V to 12V) ■ Excellent safety: non-flammable electrolyte (aqueous type), PRV (safety valve structure), no special transportation certification required. ■ Excellent safety: □ Cycle characteristics: over 1,000 cycles according to IEC ■ High-temperature compatibility: high-temperature type can be used in environments up to 85°C. ■ All cells are UL compliant. ■ No memory effect.

• Secondary Cells/Batteries

This is a coin-shaped lithium-ion battery made in Germany. 【Features】 ■ High voltage of 3.7V ■ Unique spiral structure ■ High safety ■ Long lifespan (long cycle life) ■ Large discharge current ■ More robust compared to rectangular (pouch) lithium polymer batteries ■ Protection circuit shipped separately from the battery ⇒ Recommended circuit will be provided. *For more details, please download the PDF or contact us.

• Secondary Cells/Batteries

The "MQLi" series supports rapid charging of lithium-ion secondary batteries with 1 to 10 cells. Custom options beyond standard specifications are also available. Please feel free to contact us with your requests. 【Features】 ■ Charges at 4.1V per cell, considering battery lifespan. ■ The charger status is displayed via LED during charging, when charging is complete, and in case of errors. ■ To ensure optimal charging, there is a charging standby function that stops charging at low and high temperatures. *1 ■ Detects when the battery is not connected. *1 ■ Protection timer settings can be customized in four stages. ■ Four stages (180, 240, 300, 360 minutes) ■ To reduce stress on lithium-ion batteries, constant current charging is performed at low voltage. ■ Detects voltage abnormalities in the battery and terminates with an error. ■ If voltage drop due to natural discharge is detected, charging will restart. This product complies with the RoHS directive. *1: When a thermistor is built into the battery pack. *For more details, please download the PDF from our website or contact us.

• Charger

The "RC120M" is a compact, high-efficiency current resonance type adapter with low noise characteristics. It complies with the European new energy regulation CoC-Tier2. The output capacity is up to approximately 120W, with standard output voltages of 12V, 16V, and 24V. Please feel free to contact us if you have any requests. 【Features】 ■ Input: AC90–264V ■ High reliability/low noise with large capacity and compact size (120W output in 364cc, 330W/liter) ■ Complies with harmonic current regulations ■ Ultra-compact size: Width 68mm × Depth 153mm × Height 35mm ■ Complies with the European new energy regulation CoC-Tier2 *For more details, please download the PDF or contact us.

• AC adapter

The "RC60M" is a compact and low-noise AC adapter. It features a circuit design that excels in standby power and operational average efficiency. The output capacity is up to approximately 60W, with output voltages available in three types: 12V, 16V, and 24V. 【Features】 ■ Made in Japan ■ Compliant with DoE (LEVEL VI) standards (U.S. Department of Energy) ■ Compliant with the European new energy regulation CoC-Tier2 ■ Ultra-compact size ■ Compliant with RoHS2 (10 substances) directive *For more details, please download the PDF or contact us.

• AC adapter