Certified Cells
Every SFK315EX has its UNIQUE manufacturer test report and cell data on the battery. TRY IT OUT! Scan the QR code on this image with your phone and you will see the capacity tests, manufacture date, IR and voltage values as well as batch ids of each cell used in your battery. Sun Fun Kits batteries use Certified UL1973 & UL9540A Cells.
Victron communication
The SFK315EX is Victron Communication ready using the SFK data port and SFK data cable.
Multi-function I/O
The SFK315EX includes the GEN 2 B switch multi-function i/o that allows users to turn on/off Bluetooth, set standby or low temp heating, and also set active balancing modes.
Heating Modes
Automatic low temperature charging heating, or set standby heating where the battery uses its own power to keep itself warm (even when not charging).
Active Balancing Modes
Always on, or only on when the battery is near full, or disable active balancing and use passive balancing.
Bluetooth
Enable or disable bluetooth for maximum security.
2 (48V) Series Or 4 (24V) Parallel
The SFK315EX is one of the very few batteries on the market that can be connected in series up to 48V while also including functionality to allow for low temperature self heating. You can also parallel your batteries with up to 4 units (bus bars are needed to ensure proper balancing).
The only battery on the market where you can set theheating mode
Choose to have your heating only work when you need to charge in the cold.
OR
Tell your battery to stay warm even if its not charging.
OR
Disable heating and only set cold temperature protection.
You choose, and you set the temperature to engage heating!
The only battery where you can set upper and lower SOC limits!
No more dead lithium batteries if you left the light on in your RV. Set a reserve and the SFK315EX will disable discharging if the SOC gets too low.
Like keeping your RV plugged in the whole time? The SFK315EX can be set to have an upper SOC limit so it won't get stressed staying at high SOC ranges while in storage.
Low Temperature Heating
High quality silicone rubber heating pads ensure your SFK315EX stays nice and warm during cold weather charging. The system is automatic and does not require jumper cables or switches. Simply set the minimum required temperature in the SFK BMS app and your battery will begin to heat itself so you can charge your battery safely.
100's of cycles later and your battery
will remain balanced guaranteed!
A 5 amp balancer ensures the SFK315EX cells do not drift like other batteries. Certified UL1973 & UL9540A cells ensure long usage life worry free.
Serviceable & Upgradeable
Sun Fun Kits batteries are designed to be serviceable and upgradable which means you can easily change components or service your battery; but you won't have to worry about this because you're covered for 10 years with our USA warranty (dealer installed, 8 years self installed).
