50W monocrystalline solar panel 12V 18V. Compact size 625x445x25mm. 21.06V Vmp, 17.98% efficiency. For RV, boat, trailer, shed, off-grid battery charging. Durable, custom sizes available
| Monocrystalline Cells | 17.98% High Efficiency |
| 50W Power | 21.06V Vmp, 2.38A Imp |
| Compact Size | 625×445×25mm, Easy Mount |
| Durable Design | 5400Pa Snow Load, 2400Pa Wind |
| All Weather | Passed Salt Mist, Ammonia, Sand Test |
| Versatile Use | RV, Boat, Trailer, Shed, Off-Grid |
Whether you’re camping in an RV, sailing on a boat, powering a remote shed, or running a security camera off-grid, this 50W monocrystalline solar panel delivers clean, silent energy exactly where you need it.
Designed for 12V battery charging, this high-efficiency module keeps your batteries topped off – even on cloudy days. It’s the perfect solar solution for DIY projects, tiny homes, trailers, gate openers, water pumps, and telemetry systems.
Higher efficiency (17.98%) than polycrystalline – more power in the same footprint
Optimized for 12V battery charging (works with PWM & MPPT controllers)
Fits tight spaces: RVs, boats, sheds, roofs, and custom projects
Withstands heavy snow – ideal for northern US, Canada, mountain areas
Hurricane-ready – tested for Florida, Texas, Caribbean coasts
Passed salt mist, ammonia, dust, sand, and fire tests
Plug-and-play with all standard solar connectors and cables
Anodized aluminum + tempered glass for decades of outdoor use
| Parameter | 20W | 30W | 40W | 50W |
| Cell Type | Mono | Mono | Mono | Mono |
| Max Power (Pmax) | 20W | 30W | 40W | 50W |
| Vmp (V) | ~18.0V | ~18.5V | ~20.0V | 21.06V |
| Imp (A) | ~1.11A | ~1.62A | ~2.00A | 2.38A |
| Voc (V) | ~21.6V | ~22.2V | ~23.8V | 24.90V |
| Isc (A) | ~1.20A | ~1.75A | ~2.15A | 2.53A |
| Efficiency (%) | ~16.5% | ~17.0% | ~17.5% | 17.98% |
| Dimensions (mm) | 420×350×25 | 500×350×25 | 550×400×25 | 625×445×25 |
| Weight (kg) | ~1.5 | ~2.0 | ~2.2 | ~2.5 |
| Snow Load (Pa) | 5400 | 5400 | 5400 | 5400 |
| Wind Load (Pa) | 2400 | 2400 | 2400 | 2400 |
| Connector | MC4 | MC4 | MC4 | MC4 |
| Operating Temp | -40~85°C | -40~85°C | -40~85°C | -40~85°C |
| Certification | TUV | TUV | TUV | TUV |
| Warranty | 10/25 yrs | 10/25 yrs | 10/25 yrs | 10/25 yrs |
8KW Split Phase Hybrid Inverter – 48V to 120/240V UL Certified with 500V MPPT for Solar System
Solvic 3.3KW/6.3KW 120V Hybrid Solar Inverter | 500V PV Input | UL Certified for US & Latin America
Solvic 1000W-6000W Low Frequency Split Phase Inverter – 12V/24V/48V to 120/240V, Single or Split Phase Selectable, 3x Surge for Motor Start
1 × 50W Monocrystalline Solar Panel (YH50W-18M) 1 × Pre-connected MC4 compatible cables (approx. 900mm) 1 × User manual (Optional: Mounting brackets available upon request
A 10A PWM or MPPT controller is sufficient for one panel. For two panels in series or parallel, use a 20A controller for headroom.
Yes. The Vmp (21.06V) is specifically designed for charging 12V batteries. Use a PWM or MPPT charge controller between the panel and battery for best results.
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