2. Seamlessly integrate with existing solar systems through our innovative AC couple retrofit feature.
Max. 16 pcs parallel for on-grid and off-grid operation; Effortlessly support multiple batteries in parallel for enhanced energy management.
3. Experience powerful performance with a maximum charging and discharging current of 250A, catering to all your energy demands.
4. Optimize your energy storage with 6 customizable time periods for battery charging and discharging.
5. Ensure energy availability by storing power from diesel generators, enhancing system reliability.


2. Seamlessly integrate with existing solar systems through our innovative AC couple retrofit feature.
Max. 16 pcs parallel for on-grid and off-grid operation; Effortlessly support multiple batteries in parallel for enhanced energy management.
3. Experience even more robust performance with a maximum charging and discharging current of 290A, designed for high-demand scenarios.
4. Optimize your energy storage with 6 customizable time periods for battery charging and discharging.
5. Ensure energy availability by storing power from diesel generators, enhancing system reliability.
Model | SUN-12K-SG01LP1-EU | SUN-14K-SG01LP1-EU | SUN-16K-SG01LP1-EU |
Battery Input Data | |||
Battery Type | Lead-acid or Lithium-ion | ||
Battery Voltage Range (V) | 40-60 | ||
Max. Charging Current (A) | 220 | 250 | 290 |
Max. Discharging Current (A) | 220 | 250 | 290 |
External Temperature Sensor | YES | ||
Charging Curve | 3 Stages / Equalization | ||
Charging Strategy for Li-Ion Battery | Self-adaption to BMS | ||
PV String Input Data | |||
Max. DC Input Power (W) | 15600 | 18200 | 20800 |
Max. DC Input Voltage (V) | 500 | ||
Start-up Voltage (V) | 125 | ||
MPPT Voltage Range (V) | 150-425 | ||
Rated DC Input Voltage (V) | 370 | ||
PV Input Current (A) | 26+26+26 | ||
Max. Input Short-Circuit Current (A) | 44+44+44 | ||
No. of MPP Trackers/ No. of Strings per MPP Tracker | 3/2+2+2 | ||
Communication Interface | WIFI, RS485, CAN | ||
General Data | |||
Operating Temperature Range (ºC) | -40 to +60ºC, >45ºC Derating | ||
Cabinet Size (WxHxD mm) | 464×763×282 (Excluding Connectors and Brackets) | ||
Weight (kg) | 48.5 | ||
Noise (dB) | ≤30 dB |

With a rich history of 39 years in foreign trade, AHTECH has evolved alongside China's reform and opening-up as well as global economic integration. Specializing in importing mechanical equipment, instruments, metal minerals, and various agricultural, forest, and food products. new energy products, spanning five distinct categories. Our export portfolio includes 10 diverse categories such as ships, vehicles, medical-care materials, electronics, lighting products, machinery, metals, textiles, apparel, and more. Our involvement in overseas engineering projects further strengthens our global presence, and in Anhui, we consistently lead in import and export volumes.
Recognized as a Grade-A tax credit enterprise by the State Taxation Administration, AHTECH holds an AEO certificate from China's General Administration of Customs, and is AAA-rated by China Export & Credit Insurance Corporation (Sinosure). We are a prominent figure in the Export Leading Indicator (ELI) sampling list in China, serving as the vice president unit for multiple chambers of commerce and the president unit of the Anhui Customs Declaration Association.












Q: What's your main products?
A: Solar Panels in different Tier 1 Brand; Solar Inverters ( On Grid / Off Grid / Hybrid ); Rack / Stack / Wall Mounted Lithium Batteries; Solar energy storage battery; ESS Stockage; Solar Energy System For Residential and Commercial Use;
Q: What's the delivery time?
A: Generally within 7-15 days, it will vary based on different products, pls kindly check with our customer service for details, we will arrange it for you as soon as possible;
Q: What kind of payment terms are acceptable?
A: We are flexible with payment conditions, it depends on you;
Q: If I have other questions, who should I ask?
A: You can contact us online and our sales will reply within 10 minutes;
Q: What are the advantages of your company?
A: We have our own factory and also have deep cooperation with other brands,such as Longi,JA solar,Jinko,Trina,Yingli, Deye, Growatt etc., to provide customers with better prices and more choices.
