Skip to content
Due to an increase in customer enquiries, response times may be slightly longer than usual. Thank you for your patience.
Due to an increase in customer enquiries, response times may be slightly longer than usual. Thank you for your patience.

Fogstar Energy 12V DIY Kit (Envision Grade B 280Ah)

Sold out
Original price £409.96
Current price £349.99

This exciting new Fogstar product is coming soon!

Pre-order the Fogstar Energy 12V DIY Kit now with just a 10% deposit. Shipping is expected to start on around the 9th January.

Build your own powerful and reliable energy storage solution with our complete 12V DIY kit. Ideal for campervans, caravans, boats, off-grid, and back-up power scenarios.

Key Features:

  • Comprehensive Kit: Includes everything needed to assemble a 12V Fogstar battery, including the case, LiFePO4 cells, accessories, and BMS.
  • Capacity: Grade B Envision 280Ah.
  • Smart BMS: The included JK 200A Smart BMS with 2A Active Balancing and Bluetooth ensures optimal battery performance and safety.
  • Durable Construction: The metal case with recessed terminals and ON/OFF switch provides a rugged and reliable housing for your battery.
  • Warranty: Backed by a one-year warranty on all components, including cells, BMS, and case.

Kit Specifications:

  • Voltage: 12V
  • Capacity: Envision Grade B 280Ah
  • BMS: JK 200A Smart BMS with 2A Active Balancing and Bluetooth
  • Case Material: Metal
  • Case Dimensions: L 400 x W 220 x H 265 mm
  • kWh: 3584kWh

Cell Specifications:

  • Manufacturer: Envision AESC
  • Model: ESS 72173207-280A
  • Size: 71mm x 207mm x 173mm
  • Capacity: 280Ah
  • Weight: 5.4KG
  • Maximum Discharge: 280 (1C)
  • Nominal Energy: 896Wh
  • Nominal Voltage: 3.2V
  • Cycle Life : 6000 cycles at 80% DOD

BMS Specifications:

  • Model: 200A
  • Balance Current: 2A
  • Pack Structure: 4S-8S
  • Nominal Voltage Per Cell: 3.2v
  • Operating Temperature: -30°C~75°C
  • P- / C-Connection Type: M6 Threaded Terminal - 2 each (4 total).

We recommend that users have a solid understanding of electrical systems and components before attempting to build their own battery.

Supporting documents are available upon request (UN38.3, Specification Reports & MSDS) - contact our Customer Service team for more information.

  • 1 year warranty on all 12V DIY Kits. Fogstar will verify your purchase prior to processing any warranty claims or returns.
  • If it is determined that the product is faulty, we will ship a new product to you immediately, you will only be asked to cover the cost of the shipping. 
  • Our warranty does not cover items that have been damaged due to gross negligence, normal wear and tear, damage due to accident or collision, abuse or incorrect installation.
  • Keep away from animals and children.
  • The Envision 280ah Prismatic batteries usually have a cycle life >6000 cycles before noticeable capacity drop off. Batteries should be recycled at this time.
  • Do not crush, incinerate or modify.
  • Only use within manufacturers specification.