Jerry Battery®

Limited to 50 Units

Join our beta program and help to shape the future of rugged portable power.

UK mainland only

What you get

  • One hand-assembled prototype Jerry Battery®
    • Beta price: £749 (normal expected retail £849–£999)
    • See spec below*
  • Your name (and/or company logo) on your product
  • Choice of colour scheme
  • Warranty cover
  • Eligibility for the founding share scheme with discount.
  • A brand new production unit upon return/exchange of the prototype upon start of steady-state manufacture.
  • Direct line of communication with the founder for feedback/support

What we ask

  • Complete a short suitability questionaire via email
  • Sign a simple beta tester waiver/release form (PDF – protects both sides)
  • Provide feedback after 30 days (photos, video, survey)
  • Allow us to use anonymised feedback publicly (e.g., “Tester in Scotland used it for off-grid camping – held up well”)

Payment & Delivery

  • Secure payment via bank transfer or PayPal money request only
    • Up front in full for bespoke colours / design or Split 50/50 Order/Delivery.
  • Delivery mid-May 2026 to mainland UK locations.

How to apply

  1. Email hello@jerryenergy.com with:
    • Your name/location
    • Why you want to beta test (e.g., camping, van life, emergency backup)
    • Colour/Logo suggestion
    • Any questions
  2. We’ll reply within 48 hours with the suitability questionaire form, waiver, and payment details
  3. Once approved and paid, your spot is reserved

Spots are strictly limited to 50 – first come, first served. This is a genuine beta – prototypes are hand-built and may have minor imperfections from the 3D printing process, but they are fully functional and safe.

Thank you for helping shape the future of rugged portable power.

*Jerry Battery® Prototype Spec 08/03/2026:

  • Size: 20-litre NATO jerrycan form factor
  • Weight: ~17.5 kg
  • Power:
    • 12.8 V LiFePO4 Leisure battery, 100 Ah capacity, 1.28 kWh energy
    • 1 kW 220-240V Pure Sine Wave Inverter, Cyber-Secure (No Connectivity)
    • Outputs: 
      • Dual 27W PD USB-C,
      • 18W QC3.0 USB,
      • 12V DC Battery Terminals (direct unfused Connection up to 100A),
      • BS1363 UK Mains AC Socket to suit electrical appliances
    • Inputs:
      • Onboard 10A LiFePO4 slow/medium charger via integrated IEC C14 (“Kettle Plug Socket”)
      • 10W Eco-Worthy Solar Maintainer (integrated into casing for “Always-Deployment-Ready” storage option – Link explaining lifespan effect)
      • LiFePO4 fast charger – (Optional/not included, but most models can be attached directly to the battery terminals if a fast charge is desired)
  • Environments:
    • Splash -proof :dust/water (IP54 Uncertified at 05/03/26);
  • Operating temp -5°C to +40°C;
  •  Uncertified for vibration/drop test at 05/03/26 – 3D-Printed case is very very strong but no spec possible.
  • Colour Preference
    • 3DP Filaments are available in most colours.