Development and production of robust LiFePO4 battery systems for campers, boats and off-grid houses
Energy Rebels GmbH
6017 Ruswil (Switzerland)New on Amplifa
About Energy Rebels
Energy Rebels GmbH develops and produces in Ruswil (Switzerland) compact, robust LiFePO4 battery systems for camping vehicles, electric boats and off-grid applications such as mountain huts and PV home storage systems. The batteries in the 12 V, 24 V and 51 V voltage classes feature a housing made entirely of potting compound that is waterproof, dust-proof, vibration-resistant and temperature-stable. The integrated battery management system with active heating protects against overcharging, deep discharge, short circuit, overcurrent and temperature fluctuations from -20 °C to 55 °C. The LAGUNA batteries are developed and manufactured in Switzerland, while the TIERRA home storage systems are assembled in Switzerland from individual components sourced from China. The portfolio is complemented by inverters, displays, installation kits and the Battery Monitor app for real-time monitoring via Bluetooth. Sales are handled through a dealer network, supplemented by consulting, customised installation instructions and direct support via the app.
- Site
- Ruswil
- Processes
- Developing and producing battery systems (electronics/battery manufacturing), Battery system assembly/series production (Switzerland, potting technology), Cabling and installation (screwing with torque wrench, inspections), Consulting and support (including direct support via the app), Development and production of battery systems (Swiss Engineered / Swiss Made), Customised installation instructions, Installation kits (e.g. VW T6.1 California), Dealer network sales
- Materials
- LiFePO4 (lithium iron phosphate), Potting compound, Copper (cables)
- Certificates
- 5-year warranty (batteries)
- Industries
- Camping / Caravanning (campers, motorhomes, vans, truck campers, overlanding), Marine (electric boats), PV home storage (on-grid and off-grid), Mountain huts / alpine houses / tiny homes, Tradesperson vehicles, 4x4 off-road
- 01
Consulting
- 02
Battery system development
- 03
Cell/electronics manufacturing and potting
- 04
Series assembly (screw fastening with torque wrench, inspections)
- 05
Cabling and installation
- 06
Support via app and dealer network
Materials & Processes
LiFePO4 (lithium iron phosphate)
Cell technology of the LAGUNA and TIERRA battery systems with 8000 cycles at 80 % DoD
Potting compound
Waterproof, dust-proof and vibration-resistant housing of the battery modules
Copper (cables)
Conductors of the electrical installation, e.g. at least 2.5 mm² for 12-V applications
Locations
Ruswil
CHHeadquarters, development and production (Swiss Made)
- Part weight / size
- up to 120 kg (TIERRA block)
- Lot size
- Series production LAGUNA 12 | 300 since 2025
- Materials
- LiFePO4, potting compound, copper
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Developing and producing battery systems (electronics/battery manufacturing)Engineering | – | – | – | – | LiFePO4 (lithium) |
| Battery system assembly/series production (Switzerland, potting technology)Joining | – | – | 120 kg (TIERRA block) | – | LiFePO4, Potting compound |
| Cabling and installation (screwing with torque wrench, inspections)Assembly | – | – | – | – | Copper cables |
Additional services
Quality
During assembly, every screw is tightened with a torque wrench and inspected; the BMS monitors voltage, current and temperature multiple times. A warranty of 5 years (batteries) or 2 years (accessories) is granted on the products.
| Evidence | Ruswil |
|---|---|
| 5-year warranty (batteries) |
History
- 2025
Start of series production of the LAGUNA 12 | 300 battery (21 March 2025)
- 2025
Launch of the Energy Rebels Battery Monitor app
- 2026
Starlink test report in a camper with LAGUNA 12 | 300 during a Panamericana journey in South America (12 March 2026)