APsystems Review 2026
APsystems manufactures 4 models across inverters.
Headquartered in International · Manufacturing in Various
Founded 2009 by Zhi-Min Ling · Headquartered in Jiaxing, Zhejiang, China
Parent company: Altenergy Power System Inc. (APsystems)
Listed: SH:688348
APsystems at a glance
Certifications: IEC 62109 · UL 1741-SA · VDE · Rule 21
Warranty: 25-yr product
Key milestones
- 2009 Founded by Dr. Zhi-Min Ling
- 2021 Listed on Shanghai STAR Market (688348)
Source: usa.apsystems.com/about-us · Last updated 2026-05-27
APsystems Pros & Cons (data-driven)
+ Pros
- ✓ Inverter warranty averages 21.8yr (above industry 10yr)
- ✓ 100% of SKUs triple-verified against manufacturer datasheets
− Cons
- ✗ Distributor and installer pricing varies — direct retail rarely available
- ✗ Some 2026 models depend on regional distributor availability
Pros and cons calculated against industry baselines: 21% panel efficiency, 12yr panel warranty, -0.32%/°C temp coeff, 90% battery RTE.
Current APsystems Product List (4)
Spec Sheet Downloads
4 manufacturer-published datasheets available for APsystems products. All links go to the official PDF on the manufacturer's website.
- PDF APsystems DS3 Dual Microinverter datasheet →https://global.apsystems.com/wp-content/uploads/2023/04/APsystems-Microinverter-DS3-series-for-APAC-Datasheet_-Rev1.2_2023-02-08.pdf
- PDF APsystems EZ1-M Microinverter datasheet →https://global.apsystems.com/wp-content/uploads/2025/04/4306626202_APsystems-Microinverter-EZ1-M-EZ1-H-For-EMEA-Datasheet_-Rev1.1_2024-12-09-BC01.pdf
- PDF APsystems QT2 Quad Microinverter datasheet →https://global.apsystems.com/wp-content/uploads/2023/04/APsystems-Microinverter-QT2-for-APAC-Datasheet_-Rev1.1_2023-03-24.pdf
- PDF APsystems YC600 Dual Microinverter datasheet →https://global.apsystems.com/wp-content/uploads/2020/05/4271652002_APsystems-Microinverter-YC600-For-APAC-Datasheet_Rev2.1_2020-5-13.pdf
Recent APsystems News
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Search APsystems news on Google News →Related Brands
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Frequently Asked Questions
What is the SolarSpec Score for APsystems?
APsystems earns a SolarSpec Score of 86/100 (Grade B+) based on the weighted average of all 4 models in their 2026 lineup. The score combines efficiency, warranty, temperature coefficient, and verification status. See our /methodology/ page for the full formula.
How many solar products does APsystems offer in 2026?
APsystems offers 4 products in their 2026 lineup: 4 inverters.
Where can I download APsystems datasheets?
We have direct manufacturer-published datasheet links for 4 of 4 APsystems products. See the Spec Sheet Downloads section below for direct PDF links.
How we score brands
Every APsystems model in our catalog is scored 0-100 using a transparent formula: efficiency (25 pts), product warranty (20 pts), performance warranty bonus (3 pts), temperature coefficient (12 pts), and datasheet verification (5 pts), on a 50-point baseline. The brand-level score is the simple average across all 4 models.
Read the full SolarSpec methodology →