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The Modular Electric Drive Matrix (MEB) is Volkswagen Group's dedicated EV platform used across VW, Skoda, Audi, Cupra and — under licence — Ford. Its 48–82 kWh liquid-cooled packs are one of the most abundant HV battery families on the European used market.
What is a VW MEB pack. MEB platform battery packs (48/55/62/77/82 kWh) power VW ID.3, ID.4, ID.5, Skoda Enyaq, Audi Q4 e-tron, Cupra Born and Ford Explorer EV. Nominal pack voltage is ~400 V (96s or 108s cells depending on module architecture (55 kWh = 96s2p, 61 kWh = 108s2p, 82 kWh = 96s3p per batterydesign.net teardown)), operating window 310–460 V. Chemistry is NMC on all MEB1 packs (2020–2022); a 52 kWh LFP variant appeared in MEB2 (2023+). The pack is liquid-cooled and its original Bosch/Continental BMS is retained. BMS-EV controllers speak the MEB gateway CAN protocol (500 kbps) and translate to Deye, SOFAR, GoodWe, SolaX, SMA, Fronius, Sungrow and Kostal hybrid inverters.
MEB (Modularer E-Antriebs-Baukasten) is a modular vehicle architecture designed from scratch for battery-electric drivetrains. It debuted with the VW ID.3 in 2019 and has since been extended to every mass-market EV in the Volkswagen Group and to Ford's Explorer EV and Capri EV under a technology licence. All MEB battery packs share a common form factor (skateboard floor), common cell chemistry family (until the LFP addition in 2023), a common cooling architecture and a common high-voltage BMS communication protocol. That commonality is what makes them a well-suited second-life family — one integration effort covers eight vehicle nameplates.
| Vehicle | Model years | Pack capacities (gross) | Chemistry |
|---|---|---|---|
| VW ID.3 | 2020+ | 48, 58, 77 kWh | NMC |
| VW ID.4 | 2020+ | 52, 77, 82 kWh | NMC (52 kWh LFP in MEB2) |
| VW ID.5 | 2021+ | 77, 82 kWh | NMC |
| VW ID.7 | 2023+ | 77, 86 kWh | NMC |
| VW ID. Buzz | 2022+ | 77, 86 kWh | NMC |
| Skoda Enyaq iV / Coupe iV | 2020+ | 58, 77 kWh | NMC |
| Audi Q4 e-tron / Q4 Sportback e-tron | 2021+ | 52, 77 kWh | NMC |
| Cupra Born | 2021+ | 58, 77 kWh | NMC |
| Ford Explorer EV / Capri EV | 2024+ | 52, 77, 82 kWh | NMC |
Usable capacity is typically 90–93 % of the gross figure. State-of-health on used packs ranges from 85 % (early ID.3 taxi fleet) to 98 % (2023+ low-mileage warranty returns).
| Parameter | 55 kWh (8-mod, 96s2p) | 61 kWh (9-mod, 108s2p) | 82 kWh (12-mod, 96s3p) |
|---|---|---|---|
| Cell configuration | 96s2p (192 cells) | 108s2p (216 cells) | 96s3p (288 cells) |
| Nominal voltage | ~355 V | ~400 V | ~355 V (higher-capacity cells) |
| Operating window | 270–410 V | 310–460 V | 270–410 V |
| Max continuous discharge | ~150 A | ~180 A | ~200 A |
| Cooling | Liquid (glycol-water) | Liquid (glycol-water) | Liquid (glycol-water) |
| Weight (bare pack) | ~370 kg | ~430 kg | ~490 kg |
| Dimensions (L × W × H) | 1810 × 1500 × 140 mm | 2000 × 1500 × 140 mm | 2200 × 1500 × 140 mm |
| HV connector | Kostal LV216 | Kostal LV216 | Kostal LV216 |
| CAN bit rate | 500 kbps | 500 kbps | 500 kbps |
The pack ships from the vehicle with a fully functional battery management system integrated into the pack case. Depending on the model year and plant, this is either a Bosch or Continental unit. It handles cell balancing, over/undervoltage protection, over-temperature protection, isolation monitoring and contactor control. BMS-EV does not replace or bypass any of these functions — it wakes the BMS, reads its status frames on the MEB CAN bus, and re-encodes them into the format the hybrid inverter expects.
MEB uses a 500 kbps high-speed CAN bus with a distinct set of message IDs shared across all Volkswagen Group MEB vehicles. Key frames the BMS-EV controller subscribes to:
0x1A5555xx — Pack voltage, current, SOC (100 ms)0x1B0555xx — Cell min/max voltage, module temperatures (500 ms)0x1C0555xx — Charge/discharge current limits, contactor state (100 ms)0x1D5555xx — Isolation resistance, HVIL status (1 s)The controller also transmits the wake-up and keep-alive frames that the vehicle gateway would normally send.
The MEB pack contains two main contactors (positive and negative), a precharge contactor with a series resistor (~30 Ω), an internal current shunt and an isolation monitor. The BMS-EV controller sequences precharge before closing the main contactors. High-Voltage Interlock (HVIL) is a low-voltage loop routed through every service disconnect and the HV connector — the BMS opens the contactors within 100 ms if HVIL is broken. Isolation resistance is monitored continuously; a fault below 100 Ω/V will open the contactors.
| Inverter family | Recommended model | Battery-side voltage range |
|---|---|---|
| Deye | SUN HP3 5/8/10/12/15/20/25/30/50 kW | 160–500 V |
| SOFAR | HYD 5–20 KTL-3PH | 180–800 V DC |
| GoodWe | EH / ET series | 180–800 V DC |
| SolaX | X3 Hybrid G4 | 180–800 V DC |
| SMA | Tripower Smart Energy 5.0–10.0 | 180–550 V |
| Fronius | Symo GEN24 Plus | 200–500 V |
| Sungrow | SH RT series | 180–800 V DC |
| Kostal | Plenticore Plus / BI | 180–800 V DC |
All eight inverter families work with all MEB pack sizes because the pack's 310–460 V operating window fits every listed inverter's DC input range.
A typical residential retrofit using a 77 kWh VW ID.4 pack:
Typical annual yield in Central Europe: 14 500 kWh from PV, 90 % self-consumption, 98 % of daily household demand covered April–October, 55 % covered November–February.
No. The cell counts differ (96s2p, 108s2p, 96s3p depending on pack size) so their voltage ranges do not overlap. Two separate packs cannot be paralleled at the DC bus without a DC-DC converter, which is not part of the standard architecture. Use a single pack per inverter.
No. The BMS-EV controller emulates the frames that the vehicle gateway would normally send (wake-up, ignition status, keep-alive). The gateway module itself is not required and can be removed.
Yes, and it is arguably the best MEB variant for stationary reuse: LFP chemistry tolerates deeper cycling and has ~4000-cycle life at 100 % DoD. BMS-EV firmware v3.2+ auto-detects LFP and selects the appropriate SOC curve.
Large 77–82 kWh packs sustain ~200 A continuous, which is ~80 kW at nominal voltage. In practice the inverter limits the discharge (10 kW for a residential Deye SUN 10K-SG04LP3). Small 48–58 kWh packs are rated ~150 A / ~55 kW continuous.
Yes, the pack's onboard BMS is powered from a 12 V rail. A small 12 V, 5 A DIN-rail power supply is sufficient. The BMS draws ~500 mA in normal operation.
NMC MEB packs typically deliver another 1500–2500 cycles at 80 % DoD when cycled once per day at moderate C-rate, which is 8–12 years of daily household use. LFP variants extend that to 4000+ cycles (15+ years).
The pack still operates but is thermally derated by its BMS above ~40 °C cell temperature. For light-duty residential use (average discharge ≤ 5 kW, ambient ≤ 25 °C) that is rarely reached. Higher-power installations require the external glycol loop.
Technically yes, practically no. Once modules are removed the original BMS no longer sees the full 96s/108s string and refuses to close contactors. Rebuilding a smaller string requires a full aftermarket BMS and voids the safety architecture of the pack. BMS-EV keeps the pack intact.
Deye SUN HP3 series is the most common pairing in the field — it has the widest DC voltage window (160–500 V), well-documented CAN interface and broad availability. See the MEB + Deye integration guide.
| Parameter | Value | Source |
|---|---|---|
| MEB pack configurations (55/61/82 kWh) | 96s2p / 108s2p / 96s3p | batterydesign.net VW MEB benchmarking |
| Nominal voltage | ~355–400 V per pack | batterydesign.net teardown data |
| CAN bit rate | 500 kbps | MEB gateway specification, dalathegreat/Battery-Emulator MEB implementation |