SolarPairing / Works, closed loop
EFFEKTA AX-K1 4000/5000-48 (via Com Box) × Pylontech US2000 / US2000V2 / US3000 / US2000C / US3000C / US5000 / US5000-B / UP5000 / UF5000 / Phantom-S / Force-L1/L2 / Pelio-L / Fidus-L
Pylontech v2.40 lists EFFEKTA AX-K1 4000/5000-48 with the named Pylontech 48 V ESS families through a Com Box and RS485 at 9600 baud. The documented pairing supports on-grid and off-grid applications, activation and forced charging, with firmware 14.40/34.40. This AX-K1 row is distinct from AX-M1 despite the shared Com Box requirement. Confirm the exact unit, interface, firmware and battery arrangement before installation.
Status
Works, closed loop
Protocol
RS485
Last verified
2026-08-30
01 / About this pairing
Pylontech v2.40 lists EFFEKTA AX-K1 4000/5000-48 with the named Pylontech 48 V ESS families through a Com Box and RS485 at 9600 baud. The documented pairing supports on-grid and off-grid applications, activation and forced charging, with firmware 14.40/34.40. This AX-K1 row is distinct from AX-M1 despite the shared Com Box requirement. Confirm the exact unit, interface, firmware and battery arrangement before installation.
02 / Source
https://pylontech.com.br/wp-content/uploads/2025/10/Compatibility-List-of-Pylontech-and-Inverters-Ver.2.40.pdf