--- title: "TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA515 - Solar Panel Comparison | ComparePV" description: "Compare TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA515 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/tcl-zhonghuan-hsm-bd60-la510/tcl-zhonghuan-hsm-bd60-la515" updated: 2026-09-11 --- # TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA515 LA515 leads on the differences that matter The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [TCL Zhonghuan HSM-BD60-LA510](https://comparepv.com/panel/tcl-zhonghuan-hsm-bd60-la510) | [TCL Zhonghuan HSM-BD60-LA515](https://comparepv.com/panel/tcl-zhonghuan-hsm-bd60-la515) | | Manufacturer | TCL Zhonghuan | TCL Zhonghuan | | Power | 510 Wp | 515 Wp | | Efficiency | 23.00 % | 23.20 % | | Technology | Back Contact | Back Contact | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | LA510 | LA515 | Difference | | --- | --- | --- | --- | | Module efficiency | 23.00 % | 23.20 % | +0.20 pp for LA515 | ## Every compared parameter | Parameter | LA510 | LA515 | | --- | --- | --- | | Rated power | 510 Wp | 515 Wp | | Module efficiency | 23.00 % | 23.20 % | | Power density | 230.2 Wp/m² | 232.4 Wp/m² | | Open-circuit voltage | 45.22 V | 45.32 V | | Voltage at max power | 38.10 V | 38.20 V | | Short-circuit current | 14.17 A | 14.23 A | | Current at max power | 13.39 A | 13.49 A | | Temperature coefficient | -0.260 %/°C | -0.260 %/°C | | Dimensions | 1954x1134x30 mm | 1954x1134x30 mm | | Module area | 2.216 m² | 2.216 m² | | Weight | 23.5 kg | 23.5 kg | | Weight per kWp | 46.1 kg/kWp | 45.6 kg/kWp | | Product warranty | 25 yrs | 25 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.35 %/yr | 0.35 %/yr | | Cell technology | Back Contact | Back Contact | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 120 | 120 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other. - **Cumulative output, LA510:** 17,245 kWh - **Cumulative output, LA515:** 17,414 kWh - **Gap:** 169 kWh ## Output when hot | Condition | Cell temperature | LA510 | LA515 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 510 W | 515 W | 100.0% of rated power | | Cool, bright day | 40 °C | 490 W | 495 W | 96.1% of rated power | | Typical summer roof | 55 °C | 470 W | 475 W | 92.2% of rated power | | Hot roof | 70 °C | 450 W | 455 W | 88.3% of rated power | ## Against the whole database | Measure | LA510 | LA515 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #1,919 | #1,306 | 14,005 | LA515 leads by 613 places | | Power density | #2,128 | #1,250 | 14,005 | LA515 leads by 878 places | | Heat behaviour | #511 | #511 | 14,005 | Tied - the same position in the database | | Weight | #979 | #789 | 14,005 | LA515 leads by 190 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #3,471 | #3,040 | 14,005 | LA515 leads by 431 places | ## Questions ### Which panel is better: TCL Zhonghuan HSM-BD60-LA510 or TCL Zhonghuan HSM-BD60-LA515? According to our database: **TCL Zhonghuan HSM-BD60-LA515** has higher module efficiency (**23.20%** vs **23.00%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of TCL Zhonghuan HSM-BD60-LA510 and TCL Zhonghuan HSM-BD60-LA515? **TCL Zhonghuan HSM-BD60-LA510** has a module efficiency of **23.00%**, while **TCL Zhonghuan HSM-BD60-LA515** is **23.20%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does TCL Zhonghuan HSM-BD60-LA510 use vs TCL Zhonghuan HSM-BD60-LA515? **TCL Zhonghuan HSM-BD60-LA510** uses **Back Contact** cells; **TCL Zhonghuan HSM-BD60-LA515** uses **Back Contact**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on TCL Zhonghuan HSM-BD60-LA510 and TCL Zhonghuan HSM-BD60-LA515? **TCL Zhonghuan HSM-BD60-LA510** has a **30 years** power warranty; **TCL Zhonghuan HSM-BD60-LA515** has a **30 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ## Related comparisons - [TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA520](https://comparepv.com/compare/tcl-zhonghuan-hsm-bd60-la510/tcl-zhonghuan-hsm-bd60-la520) - 3 differences, the largest is module efficiency - [TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA505](https://comparepv.com/compare/tcl-zhonghuan-hsm-bd60-la510/tcl-zhonghuan-hsm-bd60-la505) - One difference: module efficiency - [TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-BD60-LA500](https://comparepv.com/compare/tcl-zhonghuan-hsm-bd60-la510/tcl-zhonghuan-hsm-bd60-la500) - 3 differences, the largest is module efficiency - [TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-ND66-GK725 (IEC1500V)](https://comparepv.com/compare/tcl-zhonghuan-hsm-bd60-la510/tcl-zhonghuan-hsm-nd66-gk725-iec1500v) - 16 differences, the largest is rated power - [TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-ND66-GK725](https://comparepv.com/compare/tcl-zhonghuan-hsm-bd60-la510/tcl-zhonghuan-hsm-nd66-gk725) - 17 differences, the largest is rated power - [TCL Zhonghuan HSM-BD60-LA510 vs TCL Zhonghuan HSM-ND66-GK720 (IEC1500V)](https://comparepv.com/compare/tcl-zhonghuan-hsm-bd60-la510/tcl-zhonghuan-hsm-nd66-gk720-iec1500v) - 14 differences, the largest is rated power --- Source: https://comparepv.com/compare/tcl-zhonghuan-hsm-bd60-la510/tcl-zhonghuan-hsm-bd60-la515 Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.