APsystems DS3 vs APsystems DS3-L

Last updated: November 2, 2026

The APsystems DS3 and the APsystems DS3-L are evenly matched, rated 4.7 and 4.6. The APsystems DS3-L costs $15.63 less ($177.56 vs $193.19).

APsystems DS3 vs APsystems DS3-L

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every two panel microinverter; a clear win is highlighted. How we rank explains each one.

Factor weightAPsystems DS3APsystems DS3-L
Overall rating4.7/54.6/5
Value 25%73 $0.22 per watt ($193.19, 880 W)69 $0.23 per watt ($177.56, 768 W)
Grid listing 20%100 UL 1741 listed, meets rapid shutdown100 UL 1741 listed, meets rapid shutdown
Efficiency 15%80 97% CEC weighted efficiency80 97% CEC weighted efficiency
Input current 15%100 20 A per input100 18 A per input
Warranty 25%100 25-year warranty100 25-year warranty

Specifications

APsystems DS3APsystems DS3-L
Output
Panel inputs22
AC output880 W768 W
Grid voltage240 V split phase or 208 V240 V split phase or 208 V
CEC efficiency97%97%
Peak efficiency97.3%97.3%
Panel input
Largest panel660 W570 W
Current per input20 A18 A
MPPT range28 to 45 V28 to 45 V
Listing and build
UL 1741YesYes
Rapid shutdownYesYes
Monitoringgateway (sold separately)gateway (sold separately)
EnclosureNEMA 6NEMA 6
Weight6.8 lb5.7 lb
Warranty25 years25 years
Released2021-092021-09

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