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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 305Ah)

Fogstar Energy 12V DIY Kit (Envision Grade B 305Ah)

Fogstar
Sold out
£389.96
£349.99

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 305Ah.
  • 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 305Ah
  • 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: 3904kWh

Cell Specifications:

  • Manufacturer: Envision
  • Model: ESS 72173207-305A
  • Size: 71mm x 207mm x 173mm
  • Capacity: 305Ah
  • Weight: 5.5KG
  • Maximum Discharge: 305A (1C)
  • Nominal Voltage: 3.2V
  • Cycle Life : 3500 cycles @ 0.5C

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 305Ah Prismatic batteries usually have a cycle life >3500 cycles before noticeable capacity drop off. Batteries should be recycled at this time.
  • Do not crush, incinerate or modify.
  • Only use within manufacturers specification.