Life & fun · alternatives · 2026

24 alternatives to 8K Flexwarm

Heat on Demand + Charge on the Go

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. 8K Flexwarm launched in 2018; newer entries below may have overtaken it.

1. 1
   The New Ember Mugs▲569

   The next generation of temperature controlled mugs

   2019 · its alternatives →

2. 2
   Candle▲107

   The first heated gloves designed for the city & the summit

   2019 · its alternatives →

3. 3
   LiveWarm▲15

   Never Be Cold Again - Self-Adjusting Heated Apparel 🔥

   2018 · its alternatives →

4. 4
   Funxim Wireless Charging Pad▲219

   Power your new iPhone and Apple Watch simultaneously

   2017 · its alternatives →

5. 5
   unspun▲174

   3D scans for ultra-sustainable & custom-built jeans

   2021 · its alternatives →

6. 6
   FLEX▲218

   A tampon alternative you can wear during sex

   2016 · its alternatives →

7. 7
   Embr Wave▲106

   A personal thermostat, directly on your wrist.

   2017 · its alternatives →

8. 8
   EnergySquare▲231

   Charge all your devices on an ultrathin pad

   2016 · its alternatives →

9. 9
   KooKit▲26

   Keep your phone cool & wirelessly charge at the same time

   2021 · its alternatives →

10. 10
    PowerWatch X▲78

    A smartwatch that runs off of your body heat

    2018 · its alternatives →

11. 11
    XOO Belt▲147

    Designer belts that charge your phone

    2015 · its alternatives →

12. 12
    inCharge 6▲121

    The swiss army knife of cables

    2019 · its alternatives →

13. 13
    SuperMini▲115

    Credit card size 10,000mAh power bank

    2019 · its alternatives →

14. 14
    Nomad Rugged Cable▲91

    The most durable cable in the world

    2019 · its alternatives →

15. 15
    PowerPot▲105

    Charge your mobile devices with just heat and water.

    2015 · its alternatives →

16. 16
    Omni Ultimate▲87

    Powerful charger for all your portable devices ⚡️

    2018 · its alternatives →

17. 17
    Omnia▲98

    Charge your iPhone freely and wirelessly

    2017 · its alternatives →

18. 18
    Thermodo▲73

    The tiny electrical thermometer for your mobile device.

    2014 · its alternatives →

19. 19
    Orbitkey Nest▲107

    The portable desk organiser with built in wireless charger.

    2020 · its alternatives →

20. 20
    NILS 2.0▲78

    A wearable charging cable bracelet

    2019 · its alternatives →

21. 21
    Honu Backpack▲90

    Feel up to 20°F cooler in hot weather

    2021 · its alternatives →

22. 22KF
    Kiwi for Android Wear – Control your phone with a wave of your hand▲22

    2014 · play.google.com · its alternatives →

23. 23
    BentoStack Charge▲94

    Bento Stack with a built in wireless charger for iPhone.

    2018 · its alternatives →

24. 24
    Power Mountain▲87

    The Fastest 50,000mAh Palm-sized Power Bank

    2018 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →