Blog & Updates

ISO 15118-20 Explained: V2G, Plug & Charge, and the EU 2027
What is ISO 15118-20? How does it transform bidirectional charging, Plug & Charge, and EU 2027 compliance requirements? This article provides a complete analysis of the second-generation charging communication standard.

Custom development of portable DC EV chargers: purpose-built for R&D and testing
How do portable DC EV chargers serve new energy vehicle R&D testing? Willdigits has successfully delivered customized equipment supporting multi-standard DC fast charging, demonstrating full-stack customization capabilities across hardware, software, and protocols.

EV Charger Cable Selection Guide: AC and DC Charging Current Calculation and Cost Optimization
Reasonable cable selection is key to the construction cost, safety, and system stability of EV chargers. This article explains AC/DC charging current calculation and cable selection in detail, and provides a neutral-free cost-reduction solution.

SECC Compatibility Field Test: On-Site Verification with 26 Vehicle Models Across 13 Brands
Charging compatibility is not just about "plugging in and charging." See how Willdigits uses SECC on-site in Jakarta to perform frame-by-frame verification at the communication level across 232 vehicles from 13 brands and 26 models.

OCPP Certification Case: Helping a Client Pass the OCA Test on the First Attempt
For EV chargers going overseas, OCPP certification is a hard requirement. See how Willdigits helps clients pass OCA testing on the first attempt at "Singapore speed."

Mobile charging stations usher in the era of "on-demand service": V2G technology turns electric vehicles into urban "power banks"
Mobile charging robots turn "cars searching for chargers" into "chargers finding cars," and V2G transforms EVs into the city's "mobile power banks." This article analyzes the rise of mobile charging, the V2G revolution, policy dividends, and business model innovation.
