
Outback Flex Max Charge Controllers
The Flex Max (FM) charge controllers are approved for use with PowerSpout hydro turbines only when installed as per our guide.
The FM is a versatile large sized charge controller. Ideal for renewable energy systems. It comes in 3 options:
- FM60 - 60 amp 150V (stops working at 145V) solar/hydro approved
- FM80 - 80 amp 150V (stops working at 145V) solar/hydro approved
- FM100 - 100 amp 300V only approved for solar
Applications:
- For ELV off-grid solar PV installs most clients will use the 150V FM60 or FM80.
- For ELV off-grid hydro installs most clients will use the 150V version and PLT40/TRG40 turbines (12/24V battery). We do not recommend this product for use with a 48V battery unless a PowerClamp is installed.
READ MORE ABOUT THE FM60 and FM80...
READ MORE ABOUT THE FM100...
KEY FEATURES:
- MPPT Tracking for solar PV and hydro
- Up to 150/300V input options
- Up to 60/80/100 amps battery output depends model
- Keypad for access to extensive menu items and set points. Note FM100 needs a Mate 3S (not included).
More Images

Outback Flex Max Charge Controllers
The Flex Max (FM) charge controllers are approved for use with PowerSpout hydro turbines only when installed as per our guide.
The FM is a versatile large sized charge controller. Ideal for renewable energy systems. It comes in 3 options:
- FM60 - 60 amp 150V (stops working at 145V) solar/hydro approved
- FM80 - 80 amp 150V (stops working at 145V) solar/hydro approved
- FM100 - 100 amp 300V only approved for solar
Applications:
- For ELV off-grid solar PV installs most clients will use the 150V FM60 or FM80.
- For ELV off-grid hydro installs most clients will use the 150V version and PLT40/TRG40 turbines (12/24V battery). We do not recommend this product for use with a 48V battery unless a PowerClamp is installed.
READ MORE ABOUT THE FM60 and FM80...
READ MORE ABOUT THE FM100...
KEY FEATURES:
- MPPT Tracking for solar PV and hydro
- Up to 150/300V input options
- Up to 60/80/100 amps battery output depends model
- Keypad for access to extensive menu items and set points. Note FM100 needs a Mate 3S (not included).
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Flex Max (FM) charge controllers are approved for use with PowerSpout hydro turbines only when installed as per our guide.
The FM is a versatile large sized charge controller. Ideal for renewable energy systems. It comes in 3 options:
- FM60 - 60 amp 150V (stops working at 145V) solar/hydro approved
- FM80 - 80 amp 150V (stops working at 145V) solar/hydro approved
- FM100 - 100 amp 300V only approved for solar
Applications:
- For ELV off-grid solar PV installs most clients will use the 150V FM60 or FM80.
- For ELV off-grid hydro installs most clients will use the 150V version and PLT40/TRG40 turbines (12/24V battery). We do not recommend this product for use with a 48V battery unless a PowerClamp is installed.
READ MORE ABOUT THE FM60 and FM80...
READ MORE ABOUT THE FM100...
KEY FEATURES:
- MPPT Tracking for solar PV and hydro
- Up to 150/300V input options
- Up to 60/80/100 amps battery output depends model
- Keypad for access to extensive menu items and set points. Note FM100 needs a Mate 3S (not included).




