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Carriers & Operators
#NTT#KDDI#SoftBank#Rakuten Mobile#Japan

NTT, KDDI, SoftBank and Rakuten Mobile sign Japan disaster battery deal

Source: telecompaper.comMay 19, 2026

NTT, KDDI, SoftBank and Rakuten Mobile signed an agreement in Japan with mobile battery manufacturers to support power supply provision in disaster-hit areas during large-scale emergencies.

TL;DR

  • Japan's four mobile network operators signed a disaster support agreement with mobile battery manufacturers.
  • The agreement covers power supply support in areas affected by large-scale emergencies.
  • The operators named are NTT, KDDI, SoftBank and Rakuten Mobile.

NTT, KDDI, SoftBank and Rakuten Mobile signed the agreement in Japan. The deal is with several mobile battery manufacturers and focuses on support for power supply provision in disaster-hit areas during large-scale emergencies.

The four companies are Japan's mobile network operators. The agreement sets a framework for coordination with battery suppliers when disasters disrupt normal power availability.

Telecompaper reported the agreement but did not name the battery manufacturers or provide a signing date in the source excerpt. The reported scope is limited to power supply support in disaster-hit areas during large-scale emergencies.

Related questions

  • Which Japanese operators signed the disaster support agreement?
  • What does the agreement with mobile battery manufacturers cover?
  • Which country does the disaster support agreement apply to?

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