Independent Health & Diagnostics Test for your EV and Plug-in Hybrid in Essex and the South East

At CellCheck we specialise in professional EV / PHEV battery diagnostics and reporting. Using advanced testing methods and proprietary analysis, we assess the true health and performance of your vehicle’s battery.

Our service is designed for:

  • Sellers – Increase buyer confidence and support your asking price with verified battery data

  • Buyers – Avoid risk by understanding the real condition of the battery before purchase

  • Owners – Monitor battery health over time and protect the long-term value of your vehicle

We operate independently, meaning our reports are unbiased, transparent, and trusted by both sides of a transaction.

Each assessment is carried out on-site with precision and results are delivered in a clear, easy-to-understand format.

What Your CellCheck Certificate Includes

Every CellCheck report is designed to give a complete, transparent view of your EV / PHEV battery’s condition, combining high-level scoring with detailed technical analysis.

Your certificate includes:

  • Battery Health Score (%)

    A clear, independent indicator of overall battery condition

  • Market Benchmarking

    Performance compared against similar vehicles to provide real-world context

  • Advanced Battery Diagnostics

    In-depth analysis of battery performance, including key system checks and cell-level data

  • Range & Usability Insights

    Realistic expectations of vehicle range based on current battery condition

  • Risk & Anomaly Detection

    Identification of potential issues or early warning signs

  • Secure Digital Verification

    A unique, verifiable report that can be shared with buyers for complete transparency

CellCheck certificates are fully independent, giving both buyers and sellers confidence through accurate, data-driven insights.

EV Battery Health Check in Action ⚡

We test electric vehicle batteries to deliver an independent health certificate, so you know exactly what you’re buying or selling.

Client Reviews

“Thanks to CellCheck we were able to secure the sale of a Jaguar I-Pace as customer was not willing purchase without an independent battery health report”

 - Geoff: Taylors Group

“By advertising all electric vehicles and plug-in hybrids with a battery certificate, we have been able to sell 30% faster”

- Colin: Sell your car to Jax

“Using CellCheck to validate battery health for EV part exchanges has given us the ability to confidently value vehicles before taking into stock”

- Bobby: Sherwoods Motor Group

Contact Us

“We’d love to hear from you! Give us a call or fill out the form below, and we’ll get back to you as soon as possible.”!

Telephone - 07941 072911

WhatsApp us - https://wa.me/447941072911