Top 5 Replacement Onboard Charger Modules in Canada for 2026

Published on Saturday, January 24, 2026

Replacement onboard charger modules are aftermarket and OEM-compatible AC-DC charging units designed for electric vehicles and e-mobility applications. For 2026 the market in Canada favors modules that support bidirectional charging, 400-800V architectures, and silicon carbide (SiC) power stages because they deliver higher conversion efficiency, smaller thermal footprints, and future-proof compatibility with fast-charging and vehicle-to-grid services. Canadian buyers prioritize cold-climate performance, reliability, and easy integration with existing vehicle control networks (CAN, ISO 15118), as well as clear diagnostics and warranty support. Fleet operators and independent service providers are driving demand for modular, serviceable designs that balance power (6.6 kW to 22 kW), efficiency, and cost, while individual EV owners look for units that improve charging speed, reduce energy losses, and enable new features like bidirectional energy export.

Top Picks Summary

  1. Delphi Technologies 11kW Onboard Charger Module
  2. BorgWarner 22kW Bi-Directional OBC
  3. Eaton 6.6kW EV Onboard Charger
  4. Valeo Siemens eAutomotive 11kW OBC
  5. Vitesco Technologies 800V SiC Onboard Charger
1
BEST 11KW OEM REPLACEMENT

Delphi Technologies 11kW Onboard Charger Module

Delphi Technologies 11kW Onboard Charger Module

Delphi Technologies' 11kW module is positioned as a best-in-class replacement for mid-range 400V EVs because it combines long-proven automotive-grade reliability with an economical bill-of-materials that keeps unit cost competitive for fleet and aftermarket programs. Compared with higher-power or bidirectional units on this list, it offers a pragmatic balance of charging speed and cost, making it an attractive drop-in replacement where 11kW three-phase capability is required without the premium of SiC or V2G functionality.

4.4
Onboard charger - Delphi Technologies
  • Smooth 11kW charge

  • OEM-fit reliability

Review Summary

89%

"Fleet operators and independent EV technicians report the Delphi 11kW module is durable, reliable, and straightforward to install, with consistent charging performance over long-term use. A few users note occasional firmware bugs and limited documentation compared with some OEM modules."

  • Quiet underhood whisper

  • 11 kW AC onboard charger targeted at passenger EVs with compact packaging.

Time-Saving Convenience

Tech-Savvy Living

Delphi Technologies' 11kW module is positioned as a best-in-class replacement for mid-range 400V EVs because it combines long-proven automotive-grade reliability with an economical bill-of-materials that keeps unit cost competitive for fleet and aftermarket programs. Compared with higher-power or bidirectional units on this list, it offers a pragmatic balance of charging speed and cost, making it an attractive drop-in replacement where 11kW three-phase capability is required without the premium of SiC or V2G functionality.

2
BEST BI-DIRECTIONAL REPLACEMENT

BorgWarner 22kW Bi-Directional OBC

BorgWarner 22kW Bi-Directional OBC

BorgWarner's 22kW bi-directional onboard charger leads the list for applications that require fast AC charging and vehicle-to-grid/vehicle-to-home energy flow, delivering higher throughput and advanced power electronics integration. It is technically superior for commercial and energy-use cases compared with single-direction or lower-power modules, though it carries a higher acquisition cost and complexity that makes it less economical for simple 11kW or 6.6kW replacement scenarios.

4.7
  • 22kW powerhouse

  • Bi-directional superhero

Review Summary

93%

"Owners praise the BorgWarner 22kW bi-directional charger for its robust V2G/V2L performance, high power handling, and excellent thermal management in extended use. Some cite higher cost and heavier weight but accept these trade-offs for the bi-directional capability."

  • Grid-friendly money-maker

  • 22 kW bi-directional architecture enabling vehicle-to-grid (V2G) and V2L capabilities.

Tech-Savvy Living

Time-Saving Convenience

BorgWarner's 22kW bi-directional onboard charger leads the list for applications that require fast AC charging and vehicle-to-grid/vehicle-to-home energy flow, delivering higher throughput and advanced power electronics integration. It is technically superior for commercial and energy-use cases compared with single-direction or lower-power modules, though it carries a higher acquisition cost and complexity that makes it less economical for simple 11kW or 6.6kW replacement scenarios.

3
BEST COMPACT 6.6KW REPLACEMENT

Eaton 6.6kW EV Onboard Charger

Eaton 6.6kW EV Onboard Charger

Eaton's 6.6kW onboard charger stands out as the market leader for compact, cost-sensitive replacement needs where space and budget are constrained, offering straightforward installation and proven robustness for lower-power EV platforms. While it delivers lower charging power than the 11kW or 22kW units on this list, its simpler design and lower parts cost can make it the most financially attractive option for entry-level vehicles and economical fleet refreshes.

4.3
  • Compact workhorse

  • Rugged duty-ready

Review Summary

87%

"Users find the Eaton 6.6kW onboard charger compact, reliable, and thermally stable in daily use, making it a solid choice for smaller EVs or retrofits. It lacks advanced features like bi-directional charging, which some buyers expected."

  • Simple plug-and-go

  • 6.6 kW onboard charger optimized for smaller or retrofit EV applications.

Increased Safety & Security

Eaton's 6.6kW onboard charger stands out as the market leader for compact, cost-sensitive replacement needs where space and budget are constrained, offering straightforward installation and proven robustness for lower-power EV platforms. While it delivers lower charging power than the 11kW or 22kW units on this list, its simpler design and lower parts cost can make it the most financially attractive option for entry-level vehicles and economical fleet refreshes.

4
BEST 11KW HIGH-RELIABILITY REPLACEMENT

Valeo Siemens eAutomotive 11kW OBC

Valeo Siemens eAutomotive 11kW OBC

Valeo Siemens eAutomotive's 11kW charger earns its place by combining modern thermal management and high integration with vehicle control systems, making it a strong replacement choice for OEM-alike performance at competitive pricing. It directly competes with the Delphi 11kW option but often offers enhanced packaging and software integration that can reduce vehicle-level engineering time, at a modest price premium compared with the most basic 11kW modules.

4.5
  • Integrated smart charging

  • Seamless OEM harmony

Review Summary

91%

"Operators report the Valeo Siemens 11kW OBC delivers quiet, efficient charging and integrates cleanly with vehicle systems, holding up well in fleet and private use. A few buyers experienced longer lead times or required software updates during service."

  • Silent city whisperer

  • 11 kW OBC built for automotive-grade durability and consistent thermal performance.

Tech-Savvy Living

Time-Saving Convenience

Optimized Work Efficiency

Valeo Siemens eAutomotive's 11kW charger earns its place by combining modern thermal management and high integration with vehicle control systems, making it a strong replacement choice for OEM-alike performance at competitive pricing. It directly competes with the Delphi 11kW option but often offers enhanced packaging and software integration that can reduce vehicle-level engineering time, at a modest price premium compared with the most basic 11kW modules.

5
BEST 800V SIC REPLACEMENT

Vitesco Technologies 800V SiC Onboard Charger

Vitesco Technologies 800V SiC Onboard Charger

Vitesco's 800V SiC onboard charger is the technical leader for high-voltage platforms and customers seeking maximum efficiency, reduced weight, and faster AC charging on next-generation EV architectures. It outperforms the 400V silicon-based chargers here in efficiency and thermal headroom, but its advanced SiC components and 800V design come with higher replacement cost and are best suited for vehicles already built around high-voltage systems or those being future-proofed for high-performance charging.

4.6
  • Ultra-fast SiC punch

  • High-voltage efficiency

Review Summary

90%

"Early adopters praise the Vitesco Technologies 800V SiC onboard charger for class-leading efficiency and fast charging capability on high-voltage platforms, with sustained performance in extended tests. Some users note a higher price and occasional firmware maturation issues typical of new SiC products."

  • Future-ready speedster

  • 800V SiC-based onboard charger delivering very high efficiency and reduced losses.

Time-Saving Convenience

Tech-Savvy Living

Vitesco's 800V SiC onboard charger is the technical leader for high-voltage platforms and customers seeking maximum efficiency, reduced weight, and faster AC charging on next-generation EV architectures. It outperforms the 400V silicon-based chargers here in efficiency and thermal headroom, but its advanced SiC components and 800V design come with higher replacement cost and are best suited for vehicles already built around high-voltage systems or those being future-proofed for high-performance charging.

How to Choose

What Research Shows About Onboard Charger Benefits

Peer-reviewed studies, industry reports, and government research consistently show that modern onboard charger design choices deliver measurable benefits: silicon carbide switching reduces losses and heat, bidirectional systems enable grid services and backup power, and improved thermal management increases reliability and lifetime. Canadian and international pilot projects have demonstrated that V2G and high-efficiency OBCs can reduce operating costs and support cleaner grid integration when paired with smart charging standards.

Silicon carbide (SiC) power stages: industry analyses and IEEE papers report lower switching losses and higher efficiency compared with silicon IGBTs, typically improving conversion efficiency by several percentage points and allowing smaller cooling systems and passive components.

Bidirectional charging (V2G): pilot projects and utility studies show V2G can provide peak shaving, frequency regulation, and backup power, creating potential revenue streams for fleets and aggregated residential systems.

High-voltage architectures (400-800V): research indicates 800V systems reduce current for a given power level, lowering conductor and component stress and enabling faster charging with smaller cable cross-sections.

Thermal management and diagnostics: studies and field reports link active thermal control and integrated diagnostics to longer component lifetime, reduced degradation, and lower maintenance costs for fleet operators.

Standards and interoperability: government reports and standards bodies (for example, ISO 15118 and CHAdeMO/IEC guidance) emphasize the importance of smart charging protocols to maximize the benefits of modern OBC features.

Frequently Asked Questions

Which onboard charger module should I choose for V2G?

For vehicle-to-grid needs, choose the BorgWarner 22kW Bi-Directional OBC, which uses a 22 kW bi-directional architecture for V2G/V2L and supports grid services via CAN/ISO communications; it’s rated 4.7.

What power and bi-directional capabilities does BorgWarner 22kW offer?

The BorgWarner 22kW Bi-Directional OBC provides a 22 kW bi-directional architecture enabling vehicle-to-grid (V2G) and vehicle-to-load (V2L) capabilities, with robust thermal management for sustained charging/discharging; rating is 4.7.

Is the Eaton 6.6kW replacement worth the lower power?

Eaton’s 6.6kW EV Onboard Charger is a cost-sensitive replacement for smaller or retrofit EVs, optimized for Level 2 AC charging with common EV communication protocols; it’s rated 4.3, but no price was provided.

Which onboard charger is better for tight spaces?

Eaton 6.6kW EV Onboard Charger is designed for smaller or retrofit EV applications with compact packaging, simplified installation, and lower weight for tight spaces; it’s rated 4.3. No warranty duration is listed.

Conclusion

In Canada the replacement onboard charger market is maturing fast, and the five highlighted modules cover the most relevant needs: Delphi Technologies 11kW Onboard Charger Module for reliable OEM-level performance, BorgWarner 22kW Bi-Directional OBC for high-power V2G-ready use, Eaton 6.6kW EV Onboard Charger for compact and cost-effective replacements, Valeo Siemens eAutomotive 11kW OBC for a balanced OEM-grade solution, and Vitesco Technologies 800V SiC Onboard Charger as the most future-proof pick thanks to its SiC power stage and 800V compatibility. We hope you found what you were looking for—use the search to refine by power, compatibility, or features if you want to narrow or expand your options.

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