Website Closure Notice

After careful consideration of our long-term business direction, geekmaxi.com will be discontinuing operations as an online store. As of August 21, 2026, we will no longer be accepting new orders.
Rest assured, any orders you have already placed, whether awaiting shipment or in transit, will be honored and fulfilled. Warranty support and after-sales service will continue as usual.

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Website Closure Notice

Dear Customer,

We want to assure you that this transition will not affect any commitments already made to you:

Orders placed prior to this date — including those awaiting shipment or currently in transit — will be completed as normal.
Product warranties remain valid and fully honored for the duration of their original terms.
Your order history and account details will stay accessible, and our support team remains available to assist with any questions.

Looking ahead, we are working with a number of established retail partners so that our customers can continue to find the products they've come to know from us. More details will be made available on our homepage.

We're sincerely thankful for the years of business you've entrusted to us.
Questions can be directed to our team at support@geekmaxi.com.

geekmaxi.com

Frequently Asked Questions

As part of a broader review of our long-term business direction, we have made the decision to discontinue geekmaxi.com as an online store. We're grateful for the years of support our customers have shown us.

All orders already placed — whether awaiting shipment, currently in transit, or already delivered — will be completed as normal. You can track your orders anytime under My Account > Orders.

Yes. Warranty and after-sales support remain fully available for products purchased before August 21, 2026, for the applicable warranty term. For assistance, contact support@geekmaxi.com.

Yes. The website remains accessible so you can view your order history and past purchases at any time.

As of August 21, 2026, this site no longer accepts new orders. We are working with a number of established retail partners so you can continue finding the products you know from us — details are available in our Partner Zone on the homepage.

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Flashfish SWC03 2-in-1 Detachable Hand Warmers, 3.5H Fast Charge, 4 Heating Levels, 5000mAh*2, Instant Heating

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39,99 €

Portable with wrist strap and ultra-light at only 230g, it easily fits into pockets or gloves.
Dual 5000mAh large-capacity batteries deliver long-lasting warmth and support 3.5-hour fast bidirectional charging.
4 adjustable temperature settings (40℃-54℃) for varied warmth needs.
Detachable twin units can be used separately, perfect for sharing.
Smart Safe Temperature Control

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Flashfish SWC03 2-in-1 Detachable Hand Warmers, 3.5H Fast Charge, 4 Heating Levels, 5000mAh*2, Instant Heating & Pocket-Sized

Ultra-light & Portable with Wrist Strap

Weighing just 115g (0.25 lb) for each unit, its compact profile slips effortlessly into pockets or gloves. A built-in wrist strap ensures secure, worry-free carrying, keeping it comfortably within reach wherever you go.

3.5H Fast Charge & Long Battery Life

Powered by dual high-capacity 5000mAh batteries, it fully recharges in just 3.5 hours via 5V/2A bidirectional Type-C charging. Enjoy reliable, long-lasting heat that keeps you warm throughout cold days.

Instant Heating with 4 Temperature Levels

Delivers heat instantly at power-on with four adjustable temperature levels ranging from 40°C to 54°C. Engineered for faster warm-up and superior thermal stability than ordinary models, it meets your personalized temperature needs.

Detachable Twin-Body for Sharing

The split design lets each unit operate independently, making it easy to share with family or friends. One purchase delivers double the warmth, ideal for outdoor adventures, daily commutes, and group scenarios.

Smart Safe Temperature Control

It’s certified temperature control chip delivers accurate, safe heating. Additionally, the included USB-C dust cover adds extra protection, ensuring long-term durability.