CompareAC charging systems
three good systems, different strengths
VOOL, Zaptec and Easee all make 22 kW chargers with phase balancing. The differences are in the cable, the connections, the protection, the load controller and the platform. Here they are, from the makers' data.
Last reviewed:
Hardware
Charger
| AMP X VOLTVOOL 22 kW + LMC | Zaptec Pro | Easee Charge Core | |
|---|---|---|---|
| Made in | Estonia | Norway | Norway |
| Max power | 22 kW | 22 kW | 22 kW |
| Cable | Fixed Type 2, 6.5 m included | Type 2 socket | Type 2 socket |
| Residual current | 30 mA AC + 6 mA DC detection; Type A RCD per charger | Built-in Type B protection; chargers can share a circuit | 30 mA AC + 6 mA DC detection; Type A RCD per charger |
| Connectivity | 4G, Wi-Fi, Ethernet, Bluetooth, RS485/CAN | 4G, Wi-Fi; no Ethernet | LTE-M, Wi-Fi, Bluetooth; no Ethernet |
| OCPP | 1.6 and 2.0.1 | 1.6 | 1.6J (cloud) |
| Enclosure | IP55, IK10 | IP54, IK10 | IP54, IK10 |
| Operating temperature | −30 to +55 °C | −30 to +40 °C | −30 to +40 °C |
| Phase balancing, 1↔3-phase | Yes, patented phase switching (EP 4 285 454 B1) | Yes | Yes |
| Warranty | 5 years | 5 years | 5 years |
Manufacturer data: vool.com and VOOL data (Nov 2026); Zaptec Pro via plugchoice.com and Zaptec documentation; Easee Charge Core product sheet v1.03 (June 2024). Checked 4 November 2026. Specifications change; ask each maker for the current sheet.
Load management
Against the whole building
| AMP X VOLTVOOL | Zaptec | Easee | |
|---|---|---|---|
| Measurement | Current clamps on the main feed (VOOL LMC) | Zaptec Sense (accessory) | Equalizer on the smart meter (accessory) |
| Control | Local in the LMC | Cloud (Zaptec Portal) | Local between chargers (Easee Link) |
| Without internet | Dynamic control continues | Fixed fallback values | Continues via Easee Link |
| Chargers per system | 64 per LMC, cascadable; solar considered | About 30 per circuit group recommended (TN 63 A) | Unlimited per site (product sheet) |
Platform
Billing and openness
| AMP X VOLTVOOL | Zaptec | Easee | |
|---|---|---|---|
| Built-in billing with card payment | Yes, automatic | Via third party | Via integration partner |
| Monthly payout to the residence | Yes | Via third party | Via third party |
| Portal manages other brands | Any OCPP charger | Zaptec only | Easee only |
| Open API | Accounting API, webhooks | Yes | Easee API |
From a reseller comparison based on manufacturer datasheets (October 2026) and the makers' sites; re-check before a tender.
In one line each
Where each is strongest
VOOL
Cable included, IP55 and +55 °C, Ethernet for underground car parks, OCPP 2.0.1, local load management that keeps working offline, built-in billing and payout, a portal for any OCPP brand.
Zaptec Pro
Built-in Type B protection, so several chargers share one circuit with less work in the distribution board.
Easee Charge Core
Unlimited chargers per installation and local radio between chargers.
AMP X VOLT installs and operates VOOL systems. This comparison is factual and dated; corrections from any maker are welcome at charge@ampxvolt.eu.