---
title: "HT-SAAE vs Seraphim - Brand Comparison | ComparePV"
description: "Compare HT-SAAE vs Seraphim solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/ht-saae-vs-seraphim"
image: "https://comparepv.com/og/compare/manufacturers/ht-saae/seraphim.png"
---

# HT-SAAE vs Seraphim

Seraphim has the broader catalog (160 vs 112 models). HT-SAAE leads on peak efficiency at 23.90%. Seraphim leans bifacial (69% of lineup).


## The two companies


| Attribute | HT-SAAE | Seraphim |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Shanghai | Changzhou |
| Founded | 1998 | 2011 |
| Employees | 500+ | 1001-5000 |
| Annual capacity | 2+ GW/year | 13 GW/year |
| Tier 1 | yes | yes |
| Listed | Shanghai Stock Exchange: 600151:SHH |  |
| Website | [http://www.ht-saae.com](http://www.ht-saae.com) | [https://www.seraphim-energy.com](https://www.seraphim-energy.com) |

HT-SAAE (Shanghai Aerospace Automobile Electromechanical Co., Ltd.) is a state-owned enterprise specializing in photovoltaic products. The company integrates polysilicon, solar cells, battery packs, and photovoltaic + energy storage systems. They develop and manufacture solar panels for residential, commercial, and...

Seraphim is a world-class solar products manufacturer specializing in research, development, production, and sales of solar PV products. The company has achieved significant milestones, outpacing competitors in production capacity and innovative designs. Seraphim is committed to technological innovation and...


## Catalog & Power


| Measure | HT-SAAE | Seraphim | Margin |
| --- | --- | --- | --- |
| Panel Models | 112 | 160 | +48 |
| Max Power | 715 W | 730 W | +15 W |
| Avg Power | 470 W | 549 W | +79 W |


## Efficiency


| Measure | HT-SAAE | Seraphim | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.90% | 23.50% | +0.40 pp |
| Avg Efficiency | 20.47% | 21.82% | +1.35 pp |


## Reliability & Warranty


| Measure | HT-SAAE | Seraphim | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.316%/°C | +0.005 |
| Bifacial Share | 53 (47%) | 111 (69%) | +22 pp |
| Avg Warranty | 29.1 yrs | 28.8 yrs | +0.4 yr |


## Efficiency distribution

HT-SAAE skews to higher efficiency: 24% of lineup is 23%+


| Efficiency band | HT-SAAE | Seraphim |
| --- | --- | --- |
| \<20% | 30 (26.8%) | 0 |
| 20-21% | 4 (3.6%) | 32 (20.0%) |
| 21-22% | 12 (10.7%) | 58 (36.2%) |
| 22-23% | 39 (34.8%) | 51 (31.9%) |
| 23%+ | 27 (24.1%) | 19 (11.9%) |


## Power distribution

Seraphim offers more 600W+ panels (35% of lineup)


| Power band | HT-SAAE | Seraphim |
| --- | --- | --- |
| \<400W | 30 (26.8%) | 2 (1.2%) |
| 400-499W | 33 (29.5%) | 55 (34.4%) |
| 500-599W | 29 (25.9%) | 47 (29.4%) |
| 600-699W | 16 (14.3%) | 45 (28.1%) |
| 700W+ | 4 (3.6%) | 11 (6.9%) |


## Cell technology

Dominant cell tech: TOPCon (79%)

Dominant cell tech: PERC (52%)


| Technology | HT-SAAE | Seraphim |
| --- | --- | --- |
| TOPCon | 88 (78.6%) | 66 (41.2%) |
| PERC | 19 (17.0%) | 84 (52.5%) |
| Unknown | 5 (4.5%) | 0 |
| HJT | 0 | 6 (3.8%) |
| N-type | 0 | 4 (2.5%) |


## Top panels, HT-SAAE


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HT66-210(ND)-F 715W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-715w) | 715 | 23.0 | -0.310 | Monocrystalline |
| 2 | [HT66-210(ND)-F 710W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-710w) | 710 | 22.9 | -0.310 | Monocrystalline |
| 3 | [HT66-210(ND)-F 705W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-705w) | 705 | 22.7 | -0.310 | Monocrystalline |
| 4 | [HT66-210(ND)-F 700W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-700w) | 700 | 22.5 | -0.310 | Monocrystalline |
| 5 | [HT66-210(ND)-F 695W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-695w) | 695 | 22.4 | -0.310 | Monocrystalline |
| 6 | [HT66-18X(N)-630W](https://comparepv.com/panel/ht-saae-ht66-18x-n-630w) | 630 | 23.3 | -0.310 | Monocrystalline |
| 7 | [HT66-18X(N)-625W](https://comparepv.com/panel/ht-saae-ht66-18x-n-625w) | 625 | 23.1 | -0.310 | Monocrystalline |
| 8 | [HT66-18X(ND)-F 620W](https://comparepv.com/panel/ht-saae-ht66-18x-nd-f-620w) | 620 | 23.0 | -0.310 | Monocrystalline |
| 9 | [HT66-18X(N)-620W](https://comparepv.com/panel/ht-saae-ht66-18x-n-620w) | 620 | 23.0 | -0.310 | Monocrystalline |
| 10 | [HT66-18X(ND)-F-620](https://comparepv.com/panel/ht-saae-ht66-18x-nd-f-620) | 620 | 23.0 | -0.310 | Monocrystalline |


## Top panels, Seraphim


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SRP-730-BHC-BG](https://comparepv.com/panel/seraphim-srp-730-bhc-bg) | 730 | 23.5 | -0.258 | Monocrystalline |
| 2 | [SRP-725-BHC-BG](https://comparepv.com/panel/seraphim-srp-725-bhc-bg) | 725 | 23.3 | -0.258 | Monocrystalline |
| 3 | [SRP-720-BHC-BG](https://comparepv.com/panel/seraphim-srp-720-bhc-bg) | 720 | 23.2 | -0.258 | Monocrystalline |
| 4 | [SRP-720-BTC-BG](https://comparepv.com/panel/seraphim-srp-720-btc-bg) | 720 | 23.2 | -0.290 | Monocrystalline |
| 5 | [SRP-715-BHC-BG](https://comparepv.com/panel/seraphim-srp-715-bhc-bg) | 715 | 23.0 | -0.258 | Monocrystalline |
| 6 | [SRP-715-BTC-BG](https://comparepv.com/panel/seraphim-srp-715-btc-bg) | 715 | 23.0 | -0.290 | Monocrystalline |
| 7 | [SRP-710-BHC-BG](https://comparepv.com/panel/seraphim-srp-710-bhc-bg) | 710 | 22.9 | -0.258 | Monocrystalline |
| 8 | [SRP-710-BTC-BG](https://comparepv.com/panel/seraphim-srp-710-btc-bg) | 710 | 22.9 | -0.290 | Monocrystalline |
| 9 | [SRP-705-BHC-BG](https://comparepv.com/panel/seraphim-srp-705-bhc-bg) | 705 | 22.7 | -0.258 | Monocrystalline |
| 10 | [SRP-705-BTC-BG](https://comparepv.com/panel/seraphim-srp-705-btc-bg) | 705 | 22.7 | -0.290 | Monocrystalline |


## Summary

HT-SAAE is a Chinese manufacturer, one of the major subsidiaries under CETC (China Electronics Technology Group Corporation), with roots tracing back decades in the electronics and photovoltaic sector. It has held BNEF Tier 1 status for many years and operates with an annual production capacity of around 2 GW, having supplied roughly 8 GW of panels worldwide to date. Seraphim, also headquartered in China with manufacturing sites in Changzhou and Shanxi as well as South Africa and Vietnam, has logged 11 consecutive years on the BNEF Tier 1 list and has scaled to about 13 GW of annual production capacity, giving it a considerably larger global manufacturing footprint and institutional track record than HT-SAAE.

Both brands lean heavily on TOPCon N-type cell technology, HT-SAAE with roughly 78 percent of its lineup on TOPCon and the remainder on PERC, and Seraphim with its Nebula and Sable series built around TOPCon along with half-cut cell and multi-busbar designs. HT-SAAE's catalog spans a wide power range from smaller modules up to 715W, positioning it across residential, commercial, and utility-scale projects, with 25 to 30 year warranties depending on cell type. Seraphim similarly serves residential, commercial, and utility-scale markets with bifacial full-black glass-glass modules, and is generally positioned as a value-oriented Tier 1 option, with reviewers noting cost savings of roughly 15 to 20 percent versus premium brands while still offering competitive efficiency and low degradation rates.

For a typical buyer in 2025, the two brands are largely comparable on bankability, since both carry long-standing BNEF Tier 1 recognition and PVEL accolades, but Seraphim's larger production scale and more diversified manufacturing base give it a slight edge in supply-chain resilience and market presence, while HT-SAAE's tighter product range and backing from a large Chinese state-linked conglomerate can appeal to buyers prioritizing a narrower, well-vetted lineup. Neither brand stands out as clearly superior, and the choice often comes down to regional availability, distributor support, and project-specific pricing rather than a fundamental technology gap.

\---LINKS---

\- https://comparepv.com/reviews/ht-saae \| HT-SAAE Solar Panels Review: Pros, Cons and Specs \| review

\- https://saegroup.com.au/blog/seraphim-tier-1-classification/ \| Seraphim Awarded Prestigious Tier 1 Classification \| article

\- https://solarpowermanagement.net/article/98163/Seraphim\_Classified\_As\_A\_Tier\_1\_Module\_Manufacturer\_By\_BNEF \| Seraphim Classified as a Tier 1 Module Manufacturer by BNEF \| article

\- https://www.pv-tech.org/the-pv-review-2025-a-year-of-performance-and-reliability-issues-for-topcon-and-n-type-solar-pv-modules/ \| The PV Review 2025: performance and reliability of TOPCon modules \| article

\- https://www.solarreviews.com/blog/reviewing-seraphim-solar-panels \| Seraphim Solar Panels Review - Are They A Good Brand? \| review

Written by claude-sonnet from the figures above.


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- [ARTsolar vs Seraphim](https://comparepv.com/artsolar-vs-seraphim)


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Source: https://comparepv.com/ht-saae-vs-seraphim

Not in this file, on the page: the distributions above drawn as charts.