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ThunderSky Winston

ThunderSky Winston WB-12V400AH-SET

ThunderSky Winston WB-12V400AH-SET

Regular price £2,650.00 GBP
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ThunderSky Winston WB-12V400AH-SET (4.8kWh, 12V)

Winston 4.8 kWh LiFeYPO4 Kit (12 V) with 400Ah Cells + BMS Mobile Monitoring.
High Energy Efficient Lithium Cell/Kit, original Winston Battery product with LiFePO4 (LiFeYPO4) technology.

Kit contents


Winston cells in set BMS123 Smart Set Original connectors Surge Protection Red + Black plastic caps


  • Model: WB-LYP400AHA
  • Capacity: 400 Ah
  • Original ThunderSky Winston designation: WB-LYP400AHA, TSWB-LYP400AHA
  • Recommended Initial and Follow-Up Charges: 3.65V
  • Minimum Voltage: 2.8 V
  • Maximum voltage: 3.8 V
  • Maximum Discharge Current: 3C continuously
  • Operating temperature: -45 to +85 °C (discharge)
  • Energy density: 93.43 Wh/kg

These battery cells are suitable for all traction applications, including electric vehicles. They are also fully suitable for stationary applications - for example as energy storage.
There is no self-discharge.
Can be recharged in any discharge state - no memory effect.
LiFePO4 is a very safe technology, it does not spontaneously combust, it does not react with moisture or oxygen.
All cells are supplied new directly from the manufacturer.
The original wooden box contains 6 cells, has dimensions of 543 × 509 × 425 mm and weighs 90 kg.

BASIC SPECIFICATIONS

Technology: Lithium (LiFeYPO4/LiFePO4)
Rated voltage: 3.3 V
Operating voltage (under load): 3.0 V
Capacity: 400 Ah
Operating temperature range: -45 to +85 °C
Weight: 13.5 kg
Dimensions: 461 × 285 × 65 mm


Module size when using 400Ah cells

1 article – Capacity 1.2 kWh / Depth 65 mm / Weight 13.5 kg
4 cells (12 V) – Total capacity 4.8 kWh / Depth 260 mm / Weight 54 kg
8 cells (24 V) – Total capacity 9.6 kWh / Depth 520 mm / Weight 108 kg
16 cells (48 V) – Total capacity 19.2 kWh / Depth 1040 mm / Weight 216 kg


Balance and protection electronics
An important part of any battery module is the balance and protection electronics. The most common solution is the BMS123 Smart BMS123. This advanced LiFePO4 battery monitoring and management solution supports Bluetooth connectivity to your phone, iPad, tablet, or other device. A free app for Android and iOS is included.


🏅 AUTHORISED WINSTON BATTERY UK DISTRIBUTOR

Sostin Group (via Elerix Ltd) is the exclusive official UK distributor for Winston Battery (formerly ThunderSky Winston). Every cell sold here is a genuine, Grade-A product supplied directly from the manufacturer — not grey market, not refurbished, not B-grade rejects.

✅ Why buy from Sostin Group?

  • Genuine Grade-A cells — direct from Winston Battery, zero middlemen
  • Manufacturer warranty — 8,000+ cycles / 20-year design life
  • AIG/AXA insured — Winston products covered by leading insurers
  • UK stock — no customs delays, no import surprises
  • Full documentation — spec sheets, safety certificates & test reports included
  • Technical support — manufacturer-trained staff on hand
  • BMS compatibility guaranteed — matched accessories available

⚠️ Beware of counterfeit Winston cells on eBay, Amazon & Alibaba. Fake or B-grade cells carry no warranty and pose serious safety risks. Sostin Group guarantees authenticity on every order.

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