--- title: "BYD vs A.B. Energy - Brand Comparison | ComparePV" description: "Compare BYD vs A.B. Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/byd-vs-a-b-energy" --- # BYD vs A.B. Energy BYD has the broader catalog (115 vs 0 models). BYD leans bifacial (95% of lineup). ## The two companies | Attribute | BYD | A.B. Energy | | --- | --- | --- | | Country | China | Germany | | Headquarters | Shenzhen | Wiesbaden | | Founded | 1995 | 1996 | | Employees | | 1,400 | | Annual capacity | | | | Tier 1 | yes | | | Listed | SZSE: 002594 | Xetra, Frankfurt Stock Exchange: AB9 | | Website | [https://www.byd.com](https://www.byd.com) | [https://abo-energy.com](https://abo-energy.com) | ABO Energy is a renewable energy company that develops and constructs renewable energy projects, focusing on wind, solar, and storage facilities. They offer turnkey solutions and have connected several gigawatts of nominal output to the grid. The company is active internationally and is committed to driving the energy... ## Catalog & Power | Measure | BYD | A.B. Energy | Margin | | --- | --- | --- | --- | | Panel Models | 115 | 0 | +115 | | Max Power | 735 W | 0 W | +735 W | | Avg Power | 565 W | 0 W | +565 W | ## Efficiency | Measure | BYD | A.B. Energy | Margin | | --- | --- | --- | --- | | Max Efficiency | 23.66% | - | | | Avg Efficiency | 21.84% | - | | ## Reliability & Warranty | Measure | BYD | A.B. Energy | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.299%/°C | - | | | Bifacial Share | 109 (95%) | 0 (0%) | +95 pp | | Avg Warranty | 28.5 yrs | - | | ## Efficiency distribution BYD skews to higher efficiency: 15% of lineup is 23%+ | Efficiency band | BYD | A.B. Energy | | --- | --- | --- | | \<20% | 5 (4.3%) | 0 | | 20-21% | 12 (10.4%) | 0 | | 21-22% | 28 (24.3%) | 0 | | 22-23% | 53 (46.1%) | 0 | | 23%+ | 17 (14.8%) | 0 | ## Power distribution BYD offers more 600W+ panels (41% of lineup) | Power band | BYD | A.B. Energy | | --- | --- | --- | | \<400W | 4 (3.5%) | 0 | | 400-499W | 33 (28.7%) | 0 | | 500-599W | 31 (27.0%) | 0 | | 600-699W | 34 (29.6%) | 0 | | 700W+ | 13 (11.3%) | 0 | ## Cell technology Dominant cell tech: **TOPCon** (63%) | Technology | BYD | A.B. Energy | | --- | --- | --- | | TOPCon | 72 (62.6%) | 0 | | PERC | 30 (26.1%) | 0 | | HJT | 13 (11.3%) | 0 | ## Top panels, BYD | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [HSBK-33-735](https://comparepv.com/panel/byd-hsbk-33-735) | 735 | 23.7 | -0.240 | Monocrystalline | | 2 | [HSBK-33-730](https://comparepv.com/panel/byd-hsbk-33-730) | 730 | 23.5 | -0.240 | Monocrystalline | | 3 | [HSBK-33-725](https://comparepv.com/panel/byd-hsbk-33-725) | 725 | 23.3 | -0.240 | Monocrystalline | | 4 | [HSBK-33-720](https://comparepv.com/panel/byd-hsbk-33-720) | 720 | 23.2 | -0.240 | Monocrystalline | | 5 | [NSBK-33-720](https://comparepv.com/panel/byd-nsbk-33-720) | 720 | 23.2 | -0.278 | Monocrystalline | | 6 | [NSBK-33-715](https://comparepv.com/panel/byd-nsbk-33-715) | 715 | 23.0 | -0.278 | Monocrystalline | | 7 | [HSBK-33-715](https://comparepv.com/panel/byd-hsbk-33-715) | 715 | 23.0 | -0.240 | Monocrystalline | | 8 | [NSBK-33-710](https://comparepv.com/panel/byd-nsbk-33-710) | 710 | 22.9 | -0.278 | Monocrystalline | | 9 | [HSBK-33-710](https://comparepv.com/panel/byd-hsbk-33-710) | 710 | 22.9 | -0.240 | Monocrystalline | | 10 | [NSBK-33-705](https://comparepv.com/panel/byd-nsbk-33-705) | 705 | 22.7 | -0.278 | Monocrystalline | ## Summary BYD is a Chinese conglomerate headquartered in Shenzhen, founded in 1995 originally as a battery manufacturer before expanding into electric vehicles, energy storage, and solar panels. Its photovoltaic division has grown to an estimated 4 GW of annual module production capacity, and BYD was included in the BloombergNEF Tier 1 solar module list as of 2025, confirming its bankability for large-scale financed projects. A.B. Energy SRLS, by contrast, is a small Italian company - registered as a simplified limited liability company in Italy - that describes itself as a distributor and seller of solar products rather than a manufacturer. It resells panels from established brands such as JA Solar, Trina Solar, LONGi Solar, and REC Solar, drawing on its founders' roughly thirty years of experience in the electrical and electronic equipment sector. On institutional footprint, BYD is unambiguously the larger, globally recognized entity, while A.B. Energy operates as a regional reseller with no confirmed independent manufacturing capacity. In terms of product families, BYD offers its own module lines - including the MLK series, which targets both residential rooftops and commercial installations - and is actively transitioning toward N-type TOPCon cell architecture in line with the broader industry shift away from PERC. A.B. Energy does not manufacture panels under its own name, so its "product range" is entirely determined by whichever third-party brands it carries at a given time, making it difficult to characterize a consistent technology or efficiency profile. For a buyer weighing these two, the comparison is not truly symmetric. BYD is a bankable manufacturer with its own verified supply chain, warranty obligations, and Tier 1 status. A.B. Energy is a local Italian distributor best evaluated by the brands it stocks rather than on its own merits. Buyers seeking long-term manufacturer-backed warranties and global service networks should engage BYD directly or through certified installers; buyers in Italy looking for a local sourcing partner may find A.B. Energy useful as an intermediary for the third-party brands it carries. \---LINKS--- \- https://solartechonline.com/blog/byd-solar-panels-guide-2025/ \| BYD Solar Panels - Complete 2025 Guide to Performance and Pricing \| review \- https://www.enfsolar.com/a-b-energy \| A.B. Energy SRLS - ENF Solar Company Directory listing \| article \- https://www.vicoexport.com/en/64212/tier-1-solar-panel-manufacturers-list-q4-2025/ \| Tier 1 Solar Panel Manufacturers List Q4 2025 \| article \- https://assets.bnef.com/public/tiering/solarmodules.pdf \| BloombergNEF Tier 1 Solar Module Methodology March 2026 \| article Sources: \- \[BYD Solar Panels: Complete 2025 Guide To Performance & Pricing\](https://solartechonline.com/blog/byd-solar-panels-guide-2025/) \- \[A.B. Energy SRLS - ENF Solar Directory\](https://www.enfsolar.com/a-b-energy) \- \[Tier 1 Solar Panel Manufacturers List Q4 2025\](https://www.vicoexport.com/en/64212/tier-1-solar-panel-manufacturers-list-q4-2025/) \- \[BloombergNEF Tier 1 Solar Module Methodology\](https://assets.bnef.com/public/tiering/solarmodules.pdf) Written by claude-sonnet from the figures above. ## Other comparisons - [BYD vs AE Solar](https://comparepv.com/byd-vs-ae-solar) - [AEET vs A.B. Energy](https://comparepv.com/aeet-vs-a-b-energy) - [BYD vs AIKO](https://comparepv.com/byd-vs-aiko) - [AKCOME vs A.B. Energy](https://comparepv.com/akcome-vs-a-b-energy) - [BYD vs ARTsolar](https://comparepv.com/byd-vs-artsolar) - [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy) --- Source: https://comparepv.com/byd-vs-a-b-energy Not in this file, on the page: the distributions above drawn as charts.