Life and Innovation
in an EV Society
in an EV Society
We are promoting the development of next-generation batteries.
We are creating a future where everyone can live more conveniently, safely and securely.
We are creating a future where everyone can live more conveniently, safely and securely.

There are currently a number of issues that need to be addressed before electric vehicles (EVs) can become more widespread.
The biggest barrier is the shortage of natural resources used in batteries, and the key to the wider use of EVs is said to be the method of recycling batteries.
The biggest barrier is the shortage of natural resources used in batteries, and the key to the wider use of EVs is said to be the method of recycling batteries.
Business of Our Company

The next-generation battery that will create the future of energy resources is a product that is safer than conventional lithium-ion batteries by using a solid electrolyte, and it is possible to improve energy density and achieve high-speed charging.

The OT5000 has more than enough power to run a hairdryer and a microwave oven at the same time. It can also power up to 15 devices at the same time, so it's not just useful for camping and other outdoor activities, but also for charging multiple smartphones, electric blankets, fans, etc. in the event of a disaster.
Frequently Asked Questions (FAQ)
We introduce questions
about the battery business.
about the battery business.
Please tell me who to contact about battery development.
Please contact us via this website.
Where can I buy portable storage batteries?
We do not sell online, so please contact us via this website or by phone at the number below.
TEL+81-3-6681-0902
info@onlytech.jp
TEL+81-3-6681-0902
info@onlytech.jp
What kinds of applications can portable storage batteries be used for?
It can be used in a variety of situations, such as camping, outdoor activities, emergency power sources, events, mobile vending, and construction sites.
How much capacity does the OT5000 portable storage battery have?
It is 5000Wh.
How long does it take to charge the OT5000?
It takes 2 hours and 30 minutes to charge using AC rapid charging.
The charging time may vary depending on the battery level and other conditions.
The charging time may vary depending on the battery level and other conditions.
Can I buy a solar panel for the OT5000?
We apologize, but we are not currently selling solar panels. We will consider this in response to future demand.