--- title: "JA Solar JAM72D10-400/MB/1500V Solar Panel: Specs & Datasheet | ComparePV" description: "JA Solar JAM72D10-400/MB/1500V solar panel. Specs: 19.50% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/ja-solar-jam72d10-400-mb-1500v" image: "https://comparepv.com/og/panel/ja-solar-jam72d10-400-mb-1500v.png" updated: 2026-09-11 --- # JA Solar JAM72D10-400/MB/1500V Warranty pick, modest efficiency 954 panels in the segment PERC 400-450 W ## Identity - **Manufacturer:** JA Solar - **Model:** JAM72D10-400/MB/1500V - **Series:** JAM72D10 390-410/MB/1500V Series - **Rated power:** 400 W - **Cell technology:** PERC - **Bifacial:** yes ## How it compares Compared against segment PERC 400-450 W (954 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 400 W | 410 W | Weak - bottom 9% | | | Module efficiency | 19.50% | 20.60% | Weak - bottom 5% | 12,751 | | Power density | 195.4 | 206.2 | Weak - bottom 6% | 12,717 | | Temperature coefficient | -0.354 | -0.350 | Weak - bottom 20% | 12,365 | | Weight (kg) | 25.0 kg | 22.0 kg | Weak - bottom 5% | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 17% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 19.50% | 20.60% | Weak - bottom 5% | 12,751 | | Power density | 195.4 | 206.2 | Weak - bottom 6% | 12,717 | | Temperature coefficient | -0.354 | -0.350 | Weak - bottom 20% | 12,365 | | Weight per kWp | 62.5 | 53.0 | Weak - bottom 5% | 12,876 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 17% | 21 | ### Strengths - **30 year performance warranty** - Top 17% of the PERC 400-450 W segment, against a median of 25 yrs. ### Watch out for - **19.50% module efficiency** - Bottom 5% of the PERC 400-450 W segment, against a median of 20.60%. Ranked 12,751st in the whole database. - **62.5 kg per kWp** - Bottom 5% of the PERC 400-450 W segment, against a median of 53.0. Ranked 12,876th in the whole database. - **195.4 watts per square metre** - Bottom 6% of the PERC 400-450 W segment, against a median of 206.2. Ranked 12,717th in the whole database. - **Best for:** Commercial and shaded-installations. - **Not ideal for:** Tight roof space, weight-limited structures and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 400 W - **Efficiency:** 19.50 % - **Voltage at Pmax (Vmp):** 42.02 V - **Current at Pmax (Imp):** 9.52 A - **Open-circuit voltage (Voc):** 49.57 V - **Short-circuit current (Isc):** 10.14 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.354 %/degC - **Temperature coefficient of Voc:** -0.272 %/degC - **Temperature coefficient of Isc:** 0.044 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 - **Bifacial:** yes ### Physical - **Length:** 2037 mm - **Width:** 1005 mm - **Thickness:** 30 mm - **Weight:** 25.0 kg - **Area:** 2.05 m2 - **Power density:** 195.4 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 83.0 % - **First-year degradation:** 2.50 % - **Annual degradation:** 0.50 % - **Output after 30 years:** 332 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 12751 of 14129 | | Power density | 12717 of 14129 | | Temperature coefficient | 12365 of 14129 | | Weight | 12876 of 14129 | | Warranty | 21 of 14129 | ## Pros - **BNEF Tier-1 bankable manufacturer** - JA Solar has maintained BNEF Tier-1 status continuously and, as of Q1 2026, ranks among manufacturers exceeding 80 GW of annual shipments. Tier-1 bankability simplifies project financing with commercial banks without requiring additional module-level due diligence - a key factor for commercial and utility-scale projects. - **Bifacial double glass, 70% bifaciality** - The double glass construction with 70% bifaciality (±5%) enables rear-side energy generation - particularly effective over high-albedo surfaces (TPO membrane, gravel, concrete). In ground-mounted installations, this can realistically deliver 5-15% additional annual yield versus a monofacial equivalent at the same footprint. - **Half-cut MBB PERC, 144 cells** - The half-cut layout (144 cells, 6×24) combined with MBB (Multi-Busbar) technology reduces series resistance and susceptibility to microcracks, lowering losses under partial shading and improving performance at elevated temperatures (NOCT 45±2°C). - **1500 V DC system voltage** - Support for 1500 V DC (IEC) allows more modules per string, reducing BoS costs (cabling, protection devices) and voltage drop losses in commercial and utility-scale PV installations above 100 kWp. - **30-year linear power warranty** - The manufacturer provides a 30-year linear power warranty alongside a 12-year product warranty - a premium standard for commercial and industrial projects that supports long-cycle financing models across the full asset lifetime. ## Cons - **Series discontinued (2022)** - The JAM72D10 390-410/MB series ceased production in 2022. Availability of new modules is limited to distributor stock; sourcing replacement components (frames, junction boxes) is increasingly difficult, and JA Solar's technical support for this generation is restricted. - **Lower efficiency vs. current peers** - The series peaks at 20.0% efficiency, while currently available peer comparables reach 20.4% (VDS-S144/FNH), 21.0% (Sunket SKT410~430), and 21.33% (Luxor Eco Line N-type TOPCon). The 0.4-1.33 pp gap translates to measurably lower watts per m² for the same installation footprint. - **PERC vs. N-type TOPCon peers** - Mono PERC cells are a generation behind the N-type TOPCon technology offered by competing series (e.g., Luxor Eco Line). N-type cells exhibit lower LID (Light Induced Degradation), a better temperature power coefficient, and superior low-irradiance performance. ## About this series JA Solar JAM72D10 390-410/MB/1500V bifacial modules are designed to truly increase energy yield, even under non-ideal roof or ground conditions. Featuring a **double glass** construction, these modules utilize **mono PERC cells** and **half-cell technology** to minimize losses from micro-cracks and hotspots, while improving performance under partial shading - a key advantage for installations near chimneys, roof terraces, or with variable light incidence angles. The key advantage of this series is its **dual-sided operation**. By harnessing reflected light from a light-colored surface (e.g., roof membrane, gravel, concrete), these modules achieve higher energy output without increasing installation area. Designed for modern 1500V strings, they facilitate cable management and voltage drop optimization in large-scale projects. This is an excellent choice for commercial and industrial installations, utility-scale PV farms, and flat roofs, where reliability, durability, and predictable long-term performance are paramount. ## Notable figures - At 19.5% efficiency, this panel is 1.1pp below the \*\*PERC 400-450W\*\* median of 20.6% - 195.4 W/m² power density is 10.8 W/m² below \*\*PERC 400-450W\*\* median (206.2 W/m²) - requires larger installation area - At -0.35%/°C, hot weather performance is typical for \*\*PERC 400-450W\*\* panels - At 25.0 kg, this panel is 3.0 kg heavier than the \*\*PERC 400-450W\*\* median (22.0 kg) - more demanding for installation crews - Bifaciality factor of 70% can add 4-10% extra yield with reflective mounting surface ## Questions ### Is the JA Solar JAM72D10 390-410/MB/1500V series still available for purchase? The JAM72D10 390-410/MB/1500V series has been discontinued by JA Solar and is no longer in production. Limited stock may still be available through distributors with remaining inventory. Availability should be verified directly with the seller before committing to a project. For new installations, JA Solar offers newer series with higher wattage and improved cell technology. ### What is the warranty on JA Solar JAM72D10 390-410/MB panels? JA Solar provides a 12-year product warranty covering material defects and workmanship, along with a 30-year linear power output warranty. After 30 years of operation, the panel is guaranteed to retain at least 80.7% of its nominal rated power. This is one of the longer warranty packages available in the bifacial module segment, reflecting confidence in the double glass construction. ### What does bifacial mean for the JAM72D10 and how much extra energy can I expect from the rear side? Bifacial means the module generates power from both the front and rear surfaces - the rear side harvests light reflected from the ground (white TPO membrane, gravel, concrete, snow). For the JAM72D10 series, JA Solar specifies a rear-side bifacial gain of 5-25%, depending on ground albedo and tilt angle. The best results come from elevated mounting configurations, such as flat rooftop ballasted systems or ground-mount arrays. ### Does the double glass design of the JAM72D10 make installation significantly harder due to extra weight? Double glass modules are heavier than standard backsheet modules. The JAM72D10 390-410/MB weighs approximately 26-27 kg at dimensions of 2015×1002 mm, typically requiring two installers on the rooftop. The tradeoff is substantially better mechanical durability - the module withstands static loads up to 5400 Pa on the front and 2400 Pa on the rear, making it well-suited for high-wind or high-snow-load environments. ### Are the JAM72D10 390-410/MB/1500V panels compatible with standard string inverters? This series is rated for a 1500 V DC system voltage, which requires an inverter with a 1500 V maximum input. Older 1000 V string inverters used in smaller residential systems are not compatible. The 1500 V architecture allows longer strings with more modules per MPPT input, reducing BoS costs and resistive losses - a configuration standard in commercial, industrial, and utility-scale PV projects. ### How does the half-cut cell layout in the JAM72D10 help when part of the roof is shaded? The JAM72D10 uses 144 half-cut PERC cells, which halves the current per cell string, reducing resistive and thermal losses. Under partial shading - for example from a chimney or parapet - the shaded section has less impact on output from the unshaded half of the module. This translates to measurably better daily energy yield on rooftops where complete shade avoidance is not achievable. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/20200619043737755-0873ecedbbf9.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Luxor Solar LX-440M/182-108+GG](https://comparepv.com/panel/luxor-solar-lx-440m-182-108-gg) | 440 W | +40 W, cooler, +3.6 pp | | [Just Solar JST-EDMH-(445-465)W-TD (450W class)](https://comparepv.com/panel/just-solar-jst-edmh-445-465-w-td-450w-class) | 450 W | +50 W, cooler, +3.6 pp | | [Q-SUN Solar QNN182-HG450-54](https://comparepv.com/panel/qn-solar-pv-limited-qnn182-hg450-54) | 450 W | +50 W, cooler, +3.5 pp | | [Huayao HY440-N108BDD](https://comparepv.com/panel/huayao-hy440-n108bdd) | 450 W | +50 W, cooler, +3.5 pp | | [BYD NLBK-27-450](https://comparepv.com/panel/byd-nlbk-27-450) | 450 W | +50 W, cooler, +3.5 pp | | [Renesola RS41-450NBG-E3](https://comparepv.com/panel/renesola-rs41-450nbg-e3) | 450 W | +50 W, cooler, +3.5 pp | | [JA Solar JAM72D10-390/MB/1500V](https://comparepv.com/panel/ja-solar-jam72d10-390-mb-1500v) | 390 W | -10 W, -0.4 pp | | [JA Solar JAM72D10-395/MB/1500V](https://comparepv.com/panel/ja-solar-jam72d10-395-mb-1500v) | 395 W | Very close match | | [JA Solar JAM72D10-405/MB/1500V](https://comparepv.com/panel/ja-solar-jam72d10-405-mb-1500v) | 405 W | +0.3 pp | | [JA Solar JAM72D10-410/TB/1500V](https://comparepv.com/panel/shanghai-ja-solar-technology-co-ltd-jam72d10-410-tb-1500v) | 410 W | +10 W, cooler, +0.5 pp | | [JA Solar JAM72D10-415/MB/1500V](https://comparepv.com/panel/shanghai-ja-solar-technology-co-ltd-jam72d10-415-mb-1500v) | 415 W | +15 W, +0.8 pp | | [JA Solar JAM72D10-420/MB/1500V](https://comparepv.com/panel/shanghai-ja-solar-technology-co-ltd-jam72d10-420-mb-1500v) | 420 W | +20 W, +1.0 pp | | [MY Solar MS480NC-HJTPBFT](https://comparepv.com/panel/my-solar-ms480nc-hjtpbft) | 480 W | +80 W, cooler, +2.6 pp | | [MY Solar MS475NC-HJTPBFT](https://comparepv.com/panel/my-solar-ms475nc-hjtpbft) | 475 W | +75 W, cooler, +2.4 pp | | [Lexron 430W](https://comparepv.com/panel/lexron-430w) | 430 W | +30 W, lighter, +2.1 pp | | [MY Solar MS470NC-HJTPBFT](https://comparepv.com/panel/my-solar-ms470nc-hjtpbft) | 470 W | +70 W, cooler, +2.1 pp | --- Source: https://comparepv.com/panel/ja-solar-jam72d10-400-mb-1500v Not in this file, on the page: a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.