- 205W per BMM-T1/054A solar panel; lightweight N-type TOPCon half-cell design.
- Panel weight: 3.5 ± 0.5 kg; matte black, anti-glare appearance.
- Aluminium alloy frame, IP67 ingress protection and protection class II.
- SUNCAKE balcony system: four 205W panels (820W total PV capacity) paired with an 800W microinverter.
- Suitable for balconies, villas, courtyards, apartments and outdoor spaces.
Product Features
BMM-T1/054A is the 205W solar panel in the GoodWe SUNCAKE series. The lightweight panel and matte black finish suit balcony installations. Its aluminium alloy frame combines a compact profile with a practical design for handling and installation.
The accompanying SUNCAKE balcony solution combines panels, a microinverter and accessories. 205W is the output of one panel; 820W is the combined PV capacity of four panels; 800W is the microinverter's nominal AC output. These ratings describe different parts of the system.
Solar Panel Specifications
Structural Data
| Parameter | BMM-T1/054A |
|---|---|
| Dimensions | 1147 ± 2 × 919 ± 2 × 17 ± 1 mm |
| Weight | 3.5 ± 0.5 kg |
| Cell type | N-type TOPCon half cells (54 pcs) |
| Cable cross-section | 4 mm² |
| Connector | MC4-EVO2 (Stäubli) |
Electrical Data (STC)
| Parameter | Value |
|---|---|
| Maximum power | 205W |
| Power per unit area | 194 W/m² |
| Voltage at maximum power (Vmpp) | 16.60V |
| Open-circuit voltage (Voc) | 20.31V |
| Current at maximum power (Impp) | 12.35A |
| Short-circuit current (Isc) | 12.65A |
Operating Conditions
| Parameter | Value |
|---|---|
| Maximum front-side static load | 2400Pa |
| Maximum rear-side static load | 2400Pa |
| Maximum system voltage | 1500V |
| Maximum fuse rating | 25A |
| Operating temperature | -40°C to +85°C |
| Rated operating temperature | 45 ± 2°C |
| Fire-resistant class | C |
| Ingress protection | IP67 |
| Protection class | II |
Temperature Coefficients
| Parameter | Value |
|---|---|
| Isc | +0.03%/°C |
| Voc | -0.27%/°C |
| Pmpp | -0.30%/°C |
SUNCAKE System Configuration
The SUNCAKE 820W balcony system uses BMM-T1/054A panels in the following configuration.
| Item | Specification / quantity |
|---|---|
| Total PV capacity | 820W (4 × 205W) |
| Solar panels | 4 pcs |
| Straps | 40 pcs |
| Microinverter | GW0.8K-MIS-G10, nominal output 800W |
| Microinverter accessory | 1 pc |
| DC cables | 6 pcs |
| AC cable | 1 pc |
| Bracket | Optional |
Companion Microinverter
The GoodWe GW0.8K-MIS-G10 2-in-1 microinverter supports dual MPPT, built-in Wi-Fi and Bluetooth, self-organising Wi-Fi Mesh networking and module-level monitoring via SEMS+. Its plug & play design is intended for balcony and rooftop solar systems.
| Parameter | GW0.8K-MIS-G10 |
|---|---|
| Dimensions | 256 × 287 × 34.5 mm |
| Weight | 3.4 kg |
| Commonly used module power | 200–600W |
| Nominal output power | 800W |
| MPPT range | 13–60V |
| Maximum input current per MPPT | 18A |
| Maximum efficiency | 96.40% |
| Operating temperature | -40°C to +65°C; no derating below 45°C |
| Noise | < 22dB |
| Communication | Wi-Fi / Bluetooth |
| Topology | Galvanically isolated HF transformer |
| Number of MPP trackers | 2 |
| Input strings per tracker | 1 |
| PV string current monitoring | Integrated |
| Anti-islanding protection | Integrated |
| AC surge arrester | AC type III |
The flyer lists rapid shutdown, discharge to a safe 36V within 100ms, IP67 ingress protection and a 15V start-up voltage among the microinverter's features. For the compliance standards, refer to the downloadable English flyer.
Applications
SUNCAKE is designed for balcony solar installations and can also be used in villas, courtyards, apartments and outdoor spaces.
Panel Warranty
- 10-year limited product warranty for the solar panel.
- 5-year limited power output warranty for the solar panel.
These warranty periods apply to the panel and are not a statement of the microinverter warranty. Refer to the manufacturer's applicable warranty terms for coverage and conditions.
Specifications and system configuration are taken from the SUNCAKE flyer, version V1.4 dated 2025-09-23. The downloadable PDF is the original English document.
JS SOLAR was established in 2007 and is located in Wuxi City. Specializing in the production of solar products, such as solar cells, solar photovoltaic panels, solar inverters, mounting systems, etc.
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