Contact Us

At the CARRY THE SUN official online store, it may take longer than usual to respond to inquiries in order to prevent the spread of the new coronavirus infection.
For smooth support, please use the FAQ, inquiry form, etc. instead of calling us.

  • 充電方法について

    Eco-friendly solar charging

    Keep the front of the solar panel facing the sun and expose it to direct sunlight. It may take a long time depending on the season and weather conditions. Charging efficiency is reduced in shaded, cloudy or indoor lighting, so the battery can hardly be charged.

  • 窓越しの充電について

    Lightweight & Compact, Versatile in Use

    Even on sunny days, sunlight is reflected by window glass, so charging through a window takes a long time.
    Expose it to direct sun outdoors as much as possible.

  • 最適な充電について

    Special Materials

    Please note that the sun is always in motion, so be sure to orient the solar panels and avoid shading.
    Solar radiation increases with sunrise and reaches its maximum around noon. It is recommended to charge the batteries in direct sunlight over several days, around 10:00 am to 3:00 pm on sunny days.

  • About your order

    If you have already registered as a member, please log in to proceed with your order.

    If you press the "Add to Cart" button on the product details screen, the product will be added to the shopping cart.If you want to continue searching for products, click the "Continue shopping" button, and if you want to proceed with the purchase procedure, click the "Proceed to purchase screen" button at the bottom of the page.When the order procedure is completed, an "order confirmation email" will be sent to the registered email address by automatic delivery, so please check your order details.

    * Membership registration is optional and can be purchased without registration

    When you add an item to your cart, you do not have the item. The product will be secured as soon as the purchase procedure is completed. Please note that.
    If you are a member, please be sure to "log out" so that your personal information will not be viewed by a third party after the end of use. (Click "Logout" in My Page)
    If you do not receive the order confirmation e-mail, there is a possibility that you did not receive the e-mail settings such as receiving it in the junk e-mail folder, or you entered the e-mail address incorrectly.
    Please fill in the following items from the inquiry form and contact us.
    1) Name 2) Phone number 3) Address 4) Purchased product

  • I haven't received my order confirmation email

    The order confirmation email will be sent automatically from the email address of "".
    If you do not receive the email, please check the following possible causes.

    • When it is treated as junk mail due to the junk mail setting
      Depending on the email / security software you are using, it may be sorted into the "junk email folder" or "trash can". Please check if you have received an e-mail from the Carry the Sun official store in the "junk mail folder" or "trash can".
    • When the reception refusal setting of the terminal is made
      If you are a customer using mobile phone mail and have specified the domain for receiving mail, or depending on the terminal, the mail from the PC may be "Rejected" by default.
      Please make settings so that you can receive "" emails in advance.
    • If the entered email address is incorrect
      If the problem persists even after checking the above, there is a possibility that the registered e-mail address is incorrect.
      After logging in to My Page, please confirm your registered e-mail address on the [Edit Member Information] screen.
  • Can I order by phone or fax?

    • Order by phone: Please call 03-5289-9177. Business hours: Weekdays 10-17 o'clock
    • Order by FAX: Please fax to 03-3258-1089 with the product name, quantity, delivery address, name, telephone number, etc. We will contact you with the payment amount. Yes, you can order by phone or fax.

    Please be sure to include your contact phone number. Payment will be cash on delivery.

  • Precautions for use

    Please do not disassemble or modify. Do not leave or charge the product in a hot place such as in a car.
    Although it is waterproof and dustproof, do not submerge it in water. Do not apply strong force or bend it forcibly.
    Keep out of the reach of small children.

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