On the modern battlefield, heat is a target. Every device drawing a continuous electrical load throws off a thermal signature—and to a drone-mounted thermal camera or a FLIR-based targeting system, that signature is an invitation. The contrast is sharpest exactly where you're most exposed: in winter, or anywhere your equipment glows against cold ground. SunStealth thermal mitigation coverings exist to close that gap.

Developed by NUE and its partner on the strength of years of battlefield experience in Ukraine, SunStealth coverings, backpacks, and bags are TAA-compliant force-protection upgrades purpose-built for the SunCase 605 and SunCase 1213. This isn't speculative engineering. It's a response to what operators have actually faced in contested, denied environments—where being seen is the first step to being targeted.

How SunStealth Works

SunStealth coverings are constructed from multi-layer composites of phase-change materials engineered to suppress, absorb, and redirect infrared emissions. They work in two ways at once: insulating emitted heat to prevent surface radiation, and scattering and diffusing the remaining IR signature so the unit never presents as a distinct, recognizable object on a thermal display.

The result is measurable. Depending on the material stack, SunStealth can drive surface emissivity from a standard 0.9 down to below 0.1—dramatically shrinking the unit's detectable footprint and making the difference between a hard target and empty terrain.

Built for the SunCase—and Beyond

The SunCase 605 and 1213 are ideal candidates for thermal mitigation. Their compact thermoplastic shells already run cool and quiet, a byproduct of efficient LiFePO4 chemistry and a pure sine wave inverter. SunStealth builds on that advantage with a form-fitted IR suppression wrap and modular panel system designed around the units' exact dimensions.

Deployment takes seconds. A dismounted operator drapes the covering over the unit during stationary operations—drone charging, comms relay, medical device support—and the SunCase's signature drops out of view. Combined with the SunCase's already-silent operation and complete absence of combustion exhaust, a properly fitted covering renders the unit effectively invisible to aerial and ground-based thermal surveillance.

And because SunStealth is tested to work with virtually any heat-generating device, its protection extends well past the SunCase line to any continuous-load equipment that needs to stay off the thermal grid.

A Critical Edge for the Teams That Need It Most

For Special Forces, drone teams, and battlefield medical units operating in contested or denied environments, thermal invisibility isn't a luxury—it's survivability. SunStealth delivers that edge in a lightweight, rapidly deployable package that demands nothing from your power output and adds nothing to your acoustic profile.

Stay tuned for more SunStealth products—and contact us with questions about using them in other applications.