Bluetti’s Sora 500 solar panel is incredibly powerful for its size

We don’t reappraisal galore star panels astatine The Verge, but the tech wrong Bluetti’s incredibly portable Sora 500 panel makes it worthy a deeper look. The caller N-Type panels made by Bluetti and others springiness you much bang for the buck, pound, and quadrate inch. That’s a large woody for vanlifers for illustration maine who dangle upon these beefy portable star panels to widen off-grid stays.

In real-world testing, I saw Bluetti’s 500W sheet present 509W to my van’s powerfulness station, allowing maine to make complete 800W erstwhile mixed pinch the 3 sad 140W monocrystalline star panels I person installed connected apical of my van. That benignant of stationary output is fantastic. I typically devour astir 1.6kWh a day, truthful this array lets maine adhd a afloat day’s worthy of complaint in only 2 hours. I conscionable wish that Bluetti had made the Sora 500 bifacial for illustration Jackery and newcomer Zoupw did pinch their moreover lighter, high-wattage, portable, N-Type panels designed to maximize output successful little than perfect conditions.

The Sora 500 is priced astatine €849 successful Europe — it isn’t being sold successful the US yet. Bluetti spokesperson Ellen Lee tells maine that the institution wants to bring it to the US marketplace but it’s “currently navigating immoderate shifting location policies and waste and acquisition dynamics.” Things that Zoupw and Jackery managed to benignant retired already.

Bluetti’s single-sided Sora 500 sheet uses TOPCon (Tunnel Oxide Passivated Contact) cells, an N-Type exertion which is replacing older PERC (Passivated Emitter and Rear Cell) tech. Compared to PERC, TOPCon panels do amended successful low-light, woody pinch precocious temperatures better, and degrade much slowly. TOPCon panels tin execute higher efficiencies (often ~23–25 percent) compared to emblematic PERC panels (~20–23 percent), depending connected implementation.

All these advantages mean that you’ll get much for your money, arsenic soon arsenic you unfurl each 12 panels of the Sora 500 and complete their extended lifetime. The sheet besides features an IP67 guidance to particulate and h2o and an ETFE coating that makes it easier to swipe distant ungraded that interferes pinch star intake.

In my mid-March testing successful the southbound of France astatine an altitude of astir 600 meters, I was regularly seeing the Sora 500 delivering supra its rated output, measuring arsenic overmuch arsenic 509W connected a cool and cloudless day. It besides does a bully occupation of handling the sun being partially shaded.

For example, connected a very sunny time erstwhile the 12 individual panels that comprise the Sora 500 were producing complete 500W, the output dropped to 412W erstwhile partially shading 1 area panel, and 390W erstwhile partially shading the right-most two. Partially shading the 4 panels conscionable to the correct of halfway dropped the output to 276W.

The output from the Sora 500 dropped dramatically erstwhile I blocked the halfway 4 panels, falling to conscionable 50W. That’s apt because I choked disconnected the full array by severing the relationship betwixt each 4 parallel zones. Bluetti uses a half-cut compartment creation and a 3-series, 4-parallel (3S4P) circuit architecture for the Sora 500. This results successful aggregate independent powerfulness zones by dividing the cells into smaller halves and distributing them crossed 4 parallel powerfulness paths. It helps to forestall a azygous shaded area from becoming a bottleneck for the full panel, for illustration you spot pinch cheaper panels.

Unfortunately, Bluetti chose to screen the backmost of its panels pinch cloth and a analyzable strategy of kickstands and straps. By comparison, the Zoupw 480W and Jackery SolarSage 500 X N-Type panels are bifacial, meaning they tin besides cod ambient ray from the backmost of the panels erstwhile placed connected reflective surfaces for illustration snow, sand, concrete, and, to a lesser extent, grass.

I haven’t tested these panels myself, but I’ve seen unconfirmed personification reports claiming to person pushed the Zoupw beyond 525W of output. Importantly, some panels besides measurement conscionable 22lb (10kg), making them moreover lighter than the 28.4lb (12.9kg) Bluetti Sora 500.

And while weight is an important enabler of portability, I should statement that these things thin to alert distant erstwhile the upwind picks up. Fortunately, the Bluetti sheet I’ve been testing has tie-down points for gusty days. All 3 panels are overmuch lighter than the reliable 400W PERC monster from EcoFlow that I’ve been hauling astir for the past 4 years. It weighs 35.3lbs (16kg) and is still disposable to bargain for $599.

For vanlifers, the Bluetti Sora 500 perfectly dominates erstwhile it comes clip to battalion the sheet distant into an RV, van, aliases closet. The Zoupw and Jackery usage modular 4-section aliases 6-section “slab” folds, while Bluetti uses a 12-section grid fold, allowing it to illness into a overmuch smaller, briefcase-like package. Even then, the 3.3-inch heavy folded Bluetti is thinner than some the 3.35-inch heavy Zoupw sheet and 3.82-inch Jackery.

Conversely, the Sora 500 tin beryllium a symptom successful the ass to group up owed to each the hinges and straps needed to support truthful galore segments. It’s a puzzle I managed to mostly maestro aft the 3rd installation, but repositioning the sheet to travel the sun passim the time is simply a instruction successful patience.

Without charismatic US pricing for the Sora 500 panel, it’s difficult to do a nonstop price-per-watt comparison pinch the $649.99 Zoupw 480W and $999 (often connected waste for $799) Jackery SolarSage 500 X. However, if we portion the European VAT from its €849 value tag and person it, the Sora 500 useful retired to astir $820. While that’s competitive, it still leaves the Zoupw 480W pinch the champion price-per-watt capacity successful this class.

Bluetti’s Sora 500 can’t compete pinch the Zoupw 480W and Jackery SolarSage 500 X successful position of weight, but it wins handily successful position of Watts per quadrate inch erstwhile folded down. It’s the only 500W sheet that efficaciously disappears into a mini closet aliases nether a van bench. As such, it justifies its value premium for anyone for illustration maine who has constricted abstraction to shop an other star sheet they only request to deploy occasionally.

Photography by Thomas Ricker / The Verge