ECO-WORTHY 2x 100W Monocrystalline Solar Panels
$169
Key Specs
| output | 200W (2x 100W) |
| voltage | 18.9V Vmp per panel |
| cell-type | Monocrystalline |
| weight | 13.6 lbs per panel |
| dimensions | 41.3 x 19.6 x 1.2 in per panel |
| warranty | 25 years power output |
Pros
- β 200W total for the price of two individual panels
- β Pre-drilled frames speed up installation
- β Suitable for wiring in series or parallel
- β Good value for a matched pair
Cons
- β No charge controller included
- β Panels may vary slightly in output between units
Detailed Review
Overview
ECO-WORTHY has long been a go-to brand for budget-conscious solar buyers, and this two-panel 100W bundle delivers solid value for anyone ready to step up from a single-panel setup. Each panel is built with monocrystalline cells and a rigid aluminum frame, and buying them as a matched pair ensures you get consistent output and identical mounting dimensions β a practical advantage when planning a roof layout on an RV or boat.
At 200W combined, this bundle is enough to comfortably maintain a 100Ah battery bank and power moderate loads like lighting, a fan, USB charging, and a 12V refrigerator on most sunny days. Itβs one of the more popular entry-level multi-panel configurations on Amazon.
Efficiency
Each panel is rated at approximately 20% cell efficiency, which is typical for ECO-WORTHYβs monocrystalline line. The cells perform reliably in full sun and maintain reasonable output in partly cloudy conditions. Wiring the panels in series (for use with an MPPT controller) gives you a combined Voc around 45V, which falls within the operating window of most 20β30A MPPT units.
Alternatively, wiring in parallel keeps the voltage at the 12V nominal range for compatibility with PWM controllers. Either configuration works well β the right choice depends on your charge controller.
Build Quality
The frames are constructed from anodized aluminum with corner brackets reinforcing the joints. Each panel weighs just under 14 lbs, making them manageable for a single person to carry and install. The IP65 junction boxes come pre-wired with MC4 connectors and short lead cables, ready to connect to an extension harness or directly to the controller.
Tempered glass provides hail and debris resistance, and the surface coating minimizes reflective losses. Both panels ship in sturdy packaging with foam corner protection that reduces the chance of damage in transit.
Who Itβs For
This bundle is ideal for RV owners, van dwellers, and boat owners who want to double their solar capacity without paying a premium for a brand-name kit. Itβs also a good starting point for small off-grid cabins and garden sheds. If you already own a compatible 20β30A MPPT charge controller, this two-panel set gives you a meaningful power upgrade without the bundled controller markup found in full solar kits.