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OutBack Power FLEXmax 60 MPPT charge controller

Model: FLEXmax 60 · SKU: FM60 to 150VDC

Prepared Nov 12, 2026

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Common specifications

Controller type	MPPTSource [2]
Maximum PV voltage	150 VSource [2]
Maximum PV input power	750 W at 12 V; 1500 W at 24 V; 3000 W at 48 V; 3750 W at 60 VSource [2]
Maximum PV input power by battery voltage	Not documented
PV input current / MPPT	Not documented
Charge current	60 ASource [1]
Battery voltage	12, 24, 36, 48 or 60 VDC (single model, selectable)Source [2]
Battery chemistry	Not documented
Efficiency	Not documented
MPPT tracking efficiency	Not documented
Maximum conversion efficiency	98.1 %Source [2]
Full-load efficiency	Not documented
Charger efficiency	Not documented
Weighted efficiency	Not documented
Rated charge power	Not documented
Load output current	Not documented
Self-consumption	Not documented
Enclosure	Indoor Type 1Source [2]
Safety listing	Not documented
Enclosure volume	Not documented
Warranty term	5 yearsSource [2]

All recorded specifications

Battery voltage	12, 24, 36, 48 or 60 VDC (single model, selectable)Documented claim Conditions Printed as one model, selectable at start-up. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Printed as one model, selectable at start-up. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Official datasheet · FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power) [2]
Charge current	60 ADocumented claim Conditions Printed as 60 amps maximum continuous output current (up to 40°C without thermal derating) in the owner's manual; the 2019 spec sheet prints 60A @ 104°F (40°C) with adjustable current limit. Location: PDF page 7, Introduction, features Printed as 60 amps maximum continuous output current (up to 40°C without thermal derating) in the owner's manual; the 2019 spec sheet prints 60A @ 104°F (40°C) with adjustable current limit. Location: PDF page 7, Introduction, features Official installation manual · OutBack Power FLEXmax Series Charge Controllers (FLEXmax 80) Owner's Manual (900-0009-01-00 Rev D) [1]
Controller type	MPPTDocumented claim Conditions Printed as continuous MPPT. Location: PDF page 1, Page 1, title Printed as continuous MPPT. Location: PDF page 1, Page 1, title Official datasheet · FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power) [2]
Enclosure	Indoor Type 1Documented claim Conditions Printed as Indoor Type 1. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Printed as Indoor Type 1. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Official datasheet · FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power) [2]
Maximum conversion efficiency	98.1 %Documented claim Conditions Printed as power conversion efficiency, typical. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Printed as power conversion efficiency, typical. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Official datasheet · FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power) [2]
Maximum PV input power	750 W at 12 V; 1500 W at 24 V; 3000 W at 48 V; 3750 W at 60 VDocumented claim Conditions Printed as the NEC recommended solar array STC nameplate per battery voltage. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Printed as the NEC recommended solar array STC nameplate per battery voltage. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Official datasheet · FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power) [2]
Maximum PV voltage	150 VDocumented claim Conditions Printed as 150VDC absolute maximum at the coldest conditions (145VDC start-up and operating maximum). Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Printed as 150VDC absolute maximum at the coldest conditions (145VDC start-up and operating maximum). Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Official datasheet · FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power) [2]
Operating temperature	-40 to 60 °C-40 to 140 °F convertedDocumented claim Conditions Printed as –40 to 60°C, power derated above 40°C. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Printed as –40 to 60°C, power derated above 40°C. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Official datasheet · FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power) [2]

Warranty

Warranty term	5 yearsDocumented claim Conditions Printed as standard 5 year, extended 10 year available. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Printed as standard 5 year, extended 10 year available. Location: PDF page 2, FLEXmax 60/80 Specifications, FLEXmax 60 column Official datasheet · FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power) [2]

Certificate records

No records documented.

Sources and revisions

OutBack Power FLEXmax Series Charge Controllers (FLEXmax 80) Owner's Manual (900-0009-01-00 Rev D)Official installation manual · Revision Rev D · 2020-01 · Checked Oct 1, 2026https://outbackpower.com/wp-content/uploads/2026/06/owner_manual.pdf
FLEXmax 60/80 Specifications, #980-00080-01-001 REV A, 09/2019 (OutBack Power)Official datasheet · Revision #980-00080-01-001 REV A · Checked Nov 3, 2026https://outbackpower.com/downloads/documents/charge_controllers/flexmax_6080/specsheet.pdf