# VoltSense

> VoltSense is a smart boat monitoring system made in Estonia. The VoltSense P2 device provides GPS tracking, 3-channel battery voltage monitoring, temperature monitoring, and G-force/movement alerts for boats and yachts via cellular (LTE-M/NB-IoT) connectivity — no Wi-Fi needed at the marina. VoltSense is a brand of Purpletail OÜ (registry code 16686407, VAT EE102592018), Valukoja tn 8/1, 11415 Tallinn, Estonia.

Key facts:
- Core product: VoltSense P2 boat monitor — €282 excl. VAT, includes 12 months of worldwide cellular service, 2-year warranty
- Annual service subscription after the first year: €96 excl. VAT (mobile app, web portal, cellular data, cloud storage)
- Accessories: E-Paper Display (€135, sunlight-readable wireless BLE display) and EYE Sensor (€40, BLE temperature/humidity/movement/door sensor, up to 5 per P2, IP67, 5+ year battery)
- Fleet management: VoltSense HUB platform for marinas and service providers — Starter €35/mo (10 boats), Standard €75/mo (30 boats), Unlimited €250/mo
- P2 hardware: Nordic Semiconductor nRF9151 modem, Bluetooth LE (Ezurio BL54L15), GPS/GNSS (±2.5 m), integrated eSIM, 3400 mAh 18650 Li-ion battery (3–4 months normal mode, up to 6 months winter mode), IP65, −30 °C to +70 °C, automatic charging via Bat1 input; devices purchased from August 2026 support 12 V / 24 V / 48 V systems with input DC voltage up to 96 V (earlier devices: 8–30 V DC)
- Apps: iOS (https://apps.apple.com/app/voltsense/id6621183757) and Android (https://play.google.com/store/apps/details?id=eu.voltsense.thingsboard.app)
- Support: support@voltsense.eu · Languages: English, Estonian, Finnish, Swedish

## Products & Pricing

- [Product catalog](https://voltsense.eu/buy.html): VoltSense P2, E-Paper Display, EYE Sensor, service plans, and HUB pricing with direct checkout links
- [Technical specifications](https://voltsense.eu/specs.html): full VoltSense P2 spec sheet (power, connectivity, sensors, environmental ratings, certifications)
- [Product ecosystem](https://voltsense.eu/ecosystem.html): how the P2 device, wireless add-ons, and the HUB cloud platform work together

## Support & Documentation

- [Support & FAQ](https://voltsense.eu/support.html): 40+ frequently asked questions on the device, apps, connectivity, installation, and shipping; warranty and contact info
- [Terms of Service](https://voltsense.eu/terms.html): service agreement and subscription terms
- [Privacy Policy](https://voltsense.eu/privacy.html): GDPR-compliant privacy policy

## Company

- [Our Story](https://voltsense.eu/story.html): about VoltSense, Estonian engineering, sustainability
- [Blog](https://voltsense.eu/blog.html): product news, partnerships (Nordic Semiconductor, 1oT), and boating guides
- [METSTRADE 2026](https://voltsense.eu/blog/metstrade-2026.html): VoltSense exhibits 17–19 November 2026 at RAI Amsterdam, Estonian Pavilion, Hall 3, stand 03.342 — new hardware measuring up to 90 V, VoltSense HUB updates, and the new AI Guard predictive monitoring module
- [EU funding](https://voltsense.eu/grants.html): €20,000 EU innovation grant, project 01.06.2024–31.05.2026

## Optional

- [Homepage](https://voltsense.eu/): product overview, testimonials, HUB introduction
- [Estonian watercraft register summary](https://voltsense.eu/register/): interactive summary of the Estonian small-craft register (in Estonian)
- [HUB platform login](https://hub.voltsense.eu): fleet management web application for existing customers