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SFK V4 Premium Heated w/200AMP BMS w/Bluetooth Ready to Build

Sun Fun Kits
Return Policy:
30 Day Returnable ( Restocking Fee : $0.00 )
Shipping Availability:
1 Day
Stock Status:
In Stock


Item Weight

Item Weight

57 lbs (all components),25.8 KG


345 MM,13.6 Inch,14.6 Inch / 371 MM Including handles
Certified Cells
Chose between Certified cells from SFK or use your own.

Cell Type:
Cell Type
All SFK Provided cells have individual test reports printed on each cell.
4 PACK RUIPI REPT 280 - Certified EV & ESS Grade 280 AH  $560.00
Kit Upgrades & Options

Heat Switch:
Heat Switch
With this switch you can turn on heating even when your battery is idle or when you are discharging. 5 heating modes 3 heat levels & 2 timer modes (auto shut-off after 12 or 24 hours)
Lid Color:
Lid Color
SFK kits are available in various colors:
Yellow lids can be used with in between cell heating pads.
Black lids can be used with either in between or side wall heating pads.
Heated Enclosure:
Heated Enclosure
Data Port (RS485):
Data Port (RS485)
A hard-link option to view BMS data, use this to integrate with popular Inverters using devices such as Solar-Assistant, or the upcoming SFK HUB. This will upgrade the BMS to the RS485 version as well.

Lithium Charger:
Lithium Charger
The SFK-PS-400 is a great choice for a plug in charger, it will fully charge your battery to its upper limit of 14.4 volts in about 10 hours and is designed for LifePo4 chemistries.
400 Watts / 30 Amps
Sun Fun Kits 13.6v 400 Watt 30 Amp Lithium Charger LifePo4  $140.00
Plug Type

Charging Plug:
Add Jacket:
Add Jacket
Excellent combination with the external switch option for full time use in the cold.
Bus Bars:
Bus Bars
Heavy Duty Bus Bars 250A - 60.0V  $25.00
Our Regular Price: $460.00 (14% OFF)
On Sale: $395.00
Configuration Price: $465.00

This is a complete ready to build combo KIT that includes all recommend components to build your DIY battery Kit. It incldes cells by EVE Lithium certified automotive grade, select from either endurance LF EVE 280K cells or High Performance EVE LF304 cells, the Sun Fun Kits 200A V2 BMS (now with 4S - 48V capability and built in heater port to automatically turn on the integrated heating pads) with complete wiring harness, the SFK battery Case, and a supplementary active balancing circuit. 

Version includes a 3mm / 1/8" Garolite FR4 Fiberglass mounting plate for increase heat management and strength.

Version 4 makes installs easier and supports new cell separator shims to make your install bespoke and easier than ever before. The ultimate DIY kit for all hot & cold environments!

All Kits are built in the USA using domestic and globally sourced components and come with your standard 2 year limited warranty on the BMS & CASE.

Shipping Availability 1 Day
GTIN 00850036385219
Manufacturer Sun Fun Kits
Battery Specs
Certification Standard GB/T 31485-2015
Cell Compatibility EVE LF280K , EVE LF280N , EVE LF304 , CATL 302 , CATL 280 , REPT 280 , REPT 302 , Lishen 272
Cells 4S
Construction Material ABS, Aluminum, PLA
Terminal Studs M8
Cable Specs
Wire Gauge 2 AWG
Physical Specs
Max Cell Height 204 MM
Item Weight 57 lbs (all components) , 25.8 KG
Height 260 MM , 10.6 Inch , 13 Inch including Terminal Stud
Width 180 MM , 7.5 Inch
Length 345 MM , 13.6 Inch , 14.6 Inch / 371 MM Including handles
Inside Dimensions 335 L x 180 W x 215 H (MM) , 13.2 L x 7.0 W x 8.4 H (Inch) , Tapered Dimensions
Kit Configurator
Cell Type Use you own cells , REPT 280 Endurance Cells (6000 Cycles) , EVE 280K V3 ESS Endurance (6000 Cycles) , EVE LF304 - High Performance Cells (3000 Cycles)
Lid Color Yellow Lid , Black Lid
General Information
Country of Origin USA , China
Customer Review