Hardware & IoT

Reebeez

Website

Reebeez develops efficient solid-state thermoelectrophotovoltaic microengines for UAVs that achieve flight times and payloads unrivaled by batteries and fuel cells. Due to weight limitations of engines, small aerial vehicles must rely on lithium polymer batteries that result in disappointing flight times and payloads. Reebeez presents a propulsion

Overview

Reebeez develops efficient solid-state thermoelectrophotovoltaic microengines for UAVs that achieve flight times and payloads unrivaled by batteries and fuel cells.

Due to weight limitations of engines, small aerial vehicles must rely on lithium polymer batteries that result in disappointing flight times and payloads. Reebeez presents a propulsion ​system powered by thermoelectrophotovoltaics (TEPV) that runs on lightweight combustible fuels to attain specific energy eight times better than lithium polymer batteries - at a third of the cost.

Company description As recorded 2026-11-08
Hardware & IoTHardware deviceBusinessesEnterpriseHardware sales

Founders & team

2team members reported
Source-reported As recorded 2026-09-15

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedAustin, TX, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The source reports an inactive or acquired company; current product identity needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced people
startup.observe Directory coverage · Sources & method