Genuine Japanese UPS & Industrial Parts

Japan-domestic OMRON and Mitsubishi Electric UPS units, replacement batteries, CONTEC I/O boards and more. Every item is new and genuine, and we ship worldwide from Tokyo by FedEx. Browse UPS & batteries →

Find your UPS battery

Why buy from Asunite

  • Genuine & new

    Supplied in the manufacturer's original packaging. We source from established suppliers in Japan.

  • Worldwide FedEx shipping

    Tracked delivery to most countries in 2–5 business days. You see the shipping cost at checkout.

  • Compatibility check

    Send us your model number and country. We confirm the voltage, plug and fit before you order.

  • Business-friendly

    English quotes, pro-forma invoices and accurate export documents for distributors and factories.

Shop by category

1 4

UPS replacement batteries

1 8
View all

Is your UPS discontinued?

The OMRON BX series and the Mitsubishi FREQUPS FW-V series are no longer made. Our guides show the direct replacement models and which batteries still fit your existing units. See also the Mitsubishi FW-V guide and the legacy OMRON UPS guide.

OMRON BX replacement guide

UPS units

1 4
View all

Industrial automation

1 4
View all

Shop by brand

  • OMRON BXB50F [replacement battery (for BX35F/BX50F/BY50FW)]

    OMRON

    OMRON UPS units, replacement batteries and accessories (Japan-domestic models).

    OMRON

  • Mitsubishi Electric FW-ABTL-1.0K [for UPS battery FW-A10L-1.0K]

    Mitsubishi Electric

    Mitsubishi Electric FREQUPS UPS units, batteries and options.

    Mitsubishi Electric

  • CONTEC DIO-1616T-PE [PCI-E compatible digital input / output board]

    CONTEC

    CONTEC data acquisition boards, serial boards, industrial PCs and CONPROSYS IoT products.

    CONTEC

  • MOXA IMC-P101-M-ST-T [PoE 10/100T (X) ⇒ 100FX Media Converter, Multi ST]

    MOXA

    MOXA industrial Ethernet switches, media converters and serial device servers.

    MOXA

  • Buffalo DRIVESTATION PRO OP-AC12PR [12V AC adapter for corporate options]

    Buffalo

    Buffalo TeraStation and LinkStation NAS, replacement drives and external storage.

    Buffalo

  • Synology DX517 [DiskStation Storage Expansion Unit 5 Bay SATA compatible]

    Synology

    Synology NAS, expansion units, drives and accessories.

    Synology

  • Canon lens food EW-88B

    Canon

    Canon lenses, cameras and accessories.

    Canon

  • Nikon Bayonet Hood HB-85 [HB85]

    Nikon

    Nikon lenses, cameras, binoculars and accessories.

    Nikon

1 8

Sourcing for distributors & factories

Need Japan-domestic part numbers that you cannot find locally? Send us your RFQ and we usually quote within 1–2 business days. Regular business customers can pay by monthly invoice.

Request a quote