NCC Trained · Victron Dealer

Foxygen 12V 105Ah Lithium Leisure Battery

Foxygen

£319.99

Warranty 12 years

Available to order

Design your full system

183 five-star Google reviews

Delivery

Dispatched every Monday and Thursday with next-day delivery

Free UK delivery on orders over £50

  • Made in the UK · NCC & Victron trained team
  • Technical support from the people who build the systems
  • Need help? Speak with an expert

About this product

Campervan Conversions · Budget Lithium · Winter Touring
✓ 105Ah LiFePO4✓ Smart BMS✓ Bluetooth✓ Self-Heating✓ 3000 Cycles
105Ah lithium leisure battery with Bluetooth, self-heating, and Smart BMS — affordable off-grid power from Foxygen

Provides 1,344Wh of usable lithium power with Bluetooth monitoring and automatic self-heating for year-round campervan use. This Foxygen lithium leisure battery features a Smart BMS with Bluetooth app connectivity, integrated heating pads for safe winter charging, and Grade A LiFePO4 cells. The compact 10.64kg form factor fits standard battery compartments whilst delivering genuine deep-cycle performance. If you want lithium benefits — lightweight, deep cycling, winter-ready — at an accessible price point, this is the ideal choice.

  • 105Ah / 1,344Wh usable LiFePO4 capacity for daily off-grid campervan power
  • Smart BMS with Bluetooth monitoring for real-time state of charge and cell health
  • Automatic self-heating enables safe charging in sub-zero winter temperatures
  • Grade A prismatic cells for reliable deep-cycle performance
  • Compact and lightweight at 10.64kg — fits standard battery compartments
  • Parallel connection up to 6 units for scalable capacity
  • 3000 cycles at 80% Depth of Discharge

⚡ Key Features

01Bluetooth Smart Monitoring

Track state of charge, cell voltages, temperature, and charge status directly from your smartphone. No external shunt or monitor required.

02Winter Self-Heating

Integrated heating pads automatically warm cells before allowing charge current in freezing conditions, ensuring safe year-round UK van life.

03Scalable Capacity

Connect up to 6 batteries in parallel for massive capacity expansion. Start with one 105Ah and add more as your power needs grow.

🔋 Estimated Runtime

Based on the System Builder’s appliance power and daily-use settings, with a 105Ah × 12.8V = 1344Wh lithium battery. Each tile shows one load on its own, with no solar or alternator charging; no reserve or losses are deducted. Real mixed-use runtime will be shorter.

Compressor Fridge (48L)

~4.2 days

40W × 8h/day = 320Wh/day

LED Down Lights x 4

~33.6 days

8W × 5h/day = 40Wh/day

Phone/Tablet Chargers

~33.6 days

20W × 2h/day = 40Wh/day

12V TV (24 inch)

~14.9 days

30W × 3h/day = 90Wh/day

Diesel Heater

~19.1 days

8.8W × 8h/day = 70.4Wh/day

Water Pump

~89.6 days

60W × 0.25h/day = 15Wh/day

🔧 Tech Specs

Shared
  • Capacity : 105Ah (1,344Wh)
  • Nominal Voltage : 12.8V
  • Chemistry : LiFePO4 (Lithium Iron Phosphate) - Grade A Prismatic Cells
  • Weight : 10.64kg
  • Dimensions : 260mm (L) x 170mm (W) x 208mm (H)
  • Max Continuous Discharge Current : 100A
  • Charge Voltage : 14.4V ± 0.2V
  • Charge Current : 60A
  • Max Parallel Units : 6
  • BMS : Smart BMS with Bluetooth, self-heating, overcharge/over-discharge/short circuit/temperature protection
  • Cycle Life : 3000 cycles at 80% DoD
  • Warranty : 12 years

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Questions and answers

Can Rayne Automotive help me choose the right option?

Yes. Use the System Builder for a full specification, or book a consultation and tell us what you want to run and what is already fitted.

Do you supply trade accounts?

Yes. Van converters can apply for a Rayne Automotive trade account for kit pricing and support.

Is help available after I buy?

Yes. The Help Centre carries installation instructions, and the team supports what it sells.

Building the complete electrical system?

Plan the charging, storage and distribution together with the System Builder, browse the example complete systems, or book a consultation and tell us what you want to run and what is already fitted.