Energy storage design, build & verification

  • Lotus Engineering has established battery test facilities to test at cell, module and pack level
  • Flexible solutions rapidly scalable to meet customer demands efficiently and cost-effectively
  • Delivering a comprehensive test array under climatic control
  • Walk-in laboratories offer a suite of testing capability:
    • Resistance, current and power mapping
    • Open circuit voltage determination
    • Lifetime testing, self-discharge determination

Wellesbourne Test Facility – Energy Storage Design Build & Verification

Battery Build and Repair

  • Controlled and Safe environment
  • Rework and repair of Prototype and Production battery assemblies
  • Industry leading standards of EV Safety
  • Development of tooling and methods

Dedicated EV Workshops

  • New secure clean environments for EV teardown
  • Dedicated facility focused on developing best practice
  • Collaboration with equipment suppliers

Lab Car Development

  • Lightweight and efficient designs
  • Dedicated LAB car build support
  • Climate controlled, secure area

BattCon – Flexible Battery Testing

Pack Tester

  • Regenerative battery energy discharge
  • Conforms to international standards for battery testing: IEC, ISO, UL, and GB/T, etc.
  • Dynamic (current/power) driving profile simulation tests for NEDC, FUDS, HPPC
  • Multiple voltage and current ranges for auto ranging and optimum resolution
  • High accuracy current/voltage measurement (0.05%F.S/0.02%F.S)
  • 2ms current slew rate (10%~90%)
  • Test channel parallel function
  • High power testing equipment
    • Voltage range : 60~1000V
    • Current range : 0~ 300A (<750A)
    • Power range : 0~120kW (<300kW)
  • Climatic range
    • -40°C / +80°C
  • Humidity range
    • 20%RH / 98%RH

Cell Charge / Discharge

  • Operating modes: CC / CP / CV / CR / CC-CV / CP-CV / Rest / SD test
  • Built-in DCIR test function
  • Channel parallel output function
  • High precision output and measurement up to 0.015% of F.S
  • Fast current response up to <100 μS
  • High sampling rate up to 10 mS
  • High efficiency charge and discharge with low heating
  • Energy recycling during discharge (AC/DC bi-directional regenerative series)
  • Waveform simulation function (current/power mode)