Your first port of call is the sparky who fitted your kit. If they’re unable to help, tag-team the Polar ESS support legends right in.

Check out our contact page for the options to access our various teams.

Our devs are continuously hard at work on system capabilities. And firmware updates help keep your system up to date with all those latest improvements. So, we advise keeping your system up to date by downloading the latest firmware. (Available right here on this very page!)

All-in-one ESS, Hybrid Inverter, Lithium-ion Battery, EV Charger, Smart accessories, Smart Energy Management Platform.

Huge production capacity: 150,000 + 150,000 sets/year

Fantastic APP & Cloud Platform

37 production process,7 steps quality check to promise stable quality and high reliability for you.

With strong R&D, manufacture and quality control of RESS products, we have built a comprehensive sales & marketing network and experienced after-service center.

With over 100 engineers who with 15-20 years’ experience in R&D dept. to support customized projects.

Over 30 professional sales expert response your questions in 24hrs.

10000-15000㎡Owned-factories with over 300 skilled workers to make sure finish production in time.

Yes, OEM & ODM are provided in both products and APP.

All of our products are accepted to print your logo on the enclosure and package box, it depends on the amount, from 200pcs to 1000pcs.

Accepted Delivery Terms: FOB, CFR, CIF, EXW, CIP, FCA, Express Delivery

Accepted Payment Currency: USD, EUR, CAD, AUD, HKD, GBP, CNY;

Accepted Payment Type: T/T, L/C, PayPal, Western Union, Cash, Escrow;

Transportation: DHL, UPS, EMS, FedEx, TNT, Air freight, Sea freight, Train way.

Language Spoken: English, Chinese, Arabic, French.