NEW – our most flexible optimizer for repowering and revamping 600-volt legacy systems including parallel string input capabilities, enhanced inverter interop, and more.

Output power range: 11.0 - 16.4 kW
Output currents: 32, 30, 28, 25, 24 A



Our mid-sized optimizer for repowering and revamping 600-volt systems with higher power legacy modules.

Output power range: 5.8 - 6.7 kW
Output currents: 13.5, 12.8 A



Designed for repowering 600-volt legacy systems to recover performance, mix new and old modules, adapt to modern inverters, and more.

Output power range: 4.7 - 6.7 kW
Output current: 12.0 A

Ampt String Optimizers Deliver Unmatched Value


Patented Technology

  • Dual MPPT per optimizer – delivers more lifetime energy
  • String Stretch® – more modules per string
  • High Fixed-Voltage Bus (HFVB) – save on capex
  • Ampt Mode® – increases inverter power density
  • Direct-to-Converter™ – lowers battery converter cost per watt
  • High DC/AC (3:1) – longer storage durations at a lower cost
  • V-match® – adapts PV plant to legacy or future power equipment
  • Wireless Communication – optimizes O&M with string-level data

Improved ROI

  • Reduce upfront total system cost
  • Increase system lifetime performance
  • Realize a lower cost of energy