2026/07/02 — Pytes is pleased to announce that the HV48100 Series has joined its UL 9540 Edition 3 certified DC ESS portfolio, further expanding a certified lineup that already includes the V5 Series, V10 Series and V16 Series.
With this addition, Pytes continues to strengthen its certified energy storage solutions across low-voltage residential backup, whole-home energy storage and high-voltage commercial ESS applications.
Under UL 9540 Edition 3, Pytes' certified systems are classified as DC ESS, meaning the certified energy storage system is evaluated on the DC battery side, including key safety functions such as BMS, protection, control and communication.
For installers and system designers, this supports a more flexible approach to ESS design. Pytes DC ESS products can be paired with validated external inverter platforms when installed according to certification requirements, manufacturer instructions and applicable local codes.
In real-world projects, this helps installers design around different project sizes, voltage platforms, backup needs and site requirements while working with a certified ESS foundation.
The HV48100 Series now joins Pytes' UL 9540 Edition 3 certified DC ESS lineup, alongside the V5, V10 and V16 Series.
Check the report: Pytes HV48100 SERIES-UL9540 Ed.3 DC ESS Certified
Together, these products give installers, distributors and system designers more flexibility when designing certified energy storage systems for residential backup, solar-plus-storage, light commercial and high-voltage commercial applications.
For installers, UL 9540 Edition 3 certification is more than a product label. It helps create a clearer and more reliable project workflow, especially when working with system design, inverter pairing, permitting documentation and AHJ discussions.
With Pytes' expanded certified ESS portfolio, installers can benefit from:
✅ More certified product choices across low-voltage and high-voltage platforms
✅ Greater flexibility for residential and commercial ESS system design
✅ Better support for permitting and AHJ discussions
✅ Clearer system boundaries for battery and inverter integration
✅ More confidence when planning safe, scalable and code-aligned energy storage projects
As energy storage demand continues to grow, Pytes remains focused on building a safer, more flexible and installer-friendly ESS ecosystem for real-world solar and storage applications.
Pytes is a global energy storage solutions provider dedicated to delivering safe, reliable and scalable battery systems for residential, commercial and industrial applications. With a focus on certified safety, long-term performance and installer-friendly system design, Pytes supports solar professionals, distributors and end users with advanced LFP battery solutions for backup power, solar energy storage and energy independence.
