Geely's Galaxy brand has taken battery safety a step further with the launch of the Galaxy TT, the first C-segment AI sport sedan of its pure-electric 2.0 era. The car, developed with CATL, introduces NP3.0 thermal runaway protection technology, which aims not only to prevent fires and explosions but also to keep toxic smoke out of the cabin—an often-overlooked risk in current battery safety standards, according to Chinese outlet 电动邦 (Dian Dong Bang).
Live test with an engineer in the cabin
The public test was conducted at the National Fire Safety Laboratory of China Merchants Vehicle Research Institute. Unlike conventional trials that observe from outside the vehicle, this one placed an engineer inside the passenger compartment while a triggering device embedded in the battery pack ignited a single cell from within, bypassing external protective structures. The conditions were deliberately severe: dual 40°C ambient temperature combined with a near-full 96% state of charge to amplify cell activity and raise the difficulty.
The result: the battery pack did not catch fire, did not explode, and the thermal runaway did not spread to neighbouring cells. Thanks to a dedicated directional smoke channel and an internal multi-stage cooling and purification system, high-temperature smoke was vented directly outside the vehicle, with no significant smoke intrusion into the cabin. The BMS fault alarm and mobile app warning provided ample time for occupants to evacuate.
The NP3.0 system's core philosophy is to contain risk within the battery pack. Smoke produced during thermal runaway is cooled, filtered and neutralised inside the pack before being released, making the cabin effectively smoke-free. Combined with the stable chemical properties of lithium iron phosphate (LFP) cells, a single cell failure does not cascade to the entire pack. The vehicle also features Geely's Xingrui AI cloud power and intelligent BMS, which monitor battery health around the clock with millisecond-level inspections and cloud-based big-data alerts.
Safety extends beyond the battery
Safety is not limited to the battery alone. The Galaxy TT is built on the GEA Evo global intelligent new-energy architecture, featuring a 720° star-armour cage body with nearly 80% high-strength steel and aviation-grade aluminium. The battery compartment uses a grid structure with multiple mounting points, and the sills employ a sandwich composite protective design, providing robust physical protection from the body structure. The battery pack itself has undergone more than 100 rigorous validation tests.
On top of its safety credentials, the Galaxy TT comes well-equipped as standard. It features an 800V high-voltage platform across the range, CATL's Shenxing TT custom battery, a Thunder 16-in-1 intelligent electric drive, and supports 6C ultra-fast charging. The front all-aluminium double-wishbone and rear five-link suspension are tuned by Lotus Engineering, while the driver's seat offers ventilation, heating and massage, along with a heat pump air conditioner and a panoramic sunroof—features typically found in higher-end models.
While the NP3.0 smoke-free protection goes beyond national standards, the test results remain laboratory achievements. For everyday users, proper charging habits and regular battery health monitoring remain essential. For consumers, a car that balances performance and features while investing in invisible safety dimensions offers a strong reference point, according to 电动邦.
