After-Sales Care Vendor-Independent · 24/7

Your BESS.
Always Performing.

Proactive, predictive and vendor-independent after-sales care — from remote diagnostics to on-site maintenance, backed by contractual availability guarantees.

Discuss Your Package What's Included

Why Choose Us

WHAT MAKES OUR AFTER-SALES
DIFFERENT.

Technology Independence

We service BESS systems regardless of the cell manufacturer. Our engineers understand different architectures — giving you an unbiased, objective assessment of your system's condition with no brand loyalty.

Multi-Vendor Objective Assessment Any Architecture

Predictive — Not Reactive

We don't wait for failures. Using live EMS data and degradation models, we predict potential issues before they impact your project's profitability — turning reactive maintenance into a managed process.

Data-Driven Predictive Analytics Early Warning

Dedicated Monitoring Team

24/7 monitoring is not an automated alert for us — it's a team of experts evaluating anomalies in real time, both at the grid and module level. Human intelligence behind every alarm.

24/7 Expert Team Real-Time Analysis Grid + Module Level

Business Value

AFTER-SALES AS A
REVENUE PROTECTION TOOL.

Our after-sales model is built around one principle — your BESS must generate the revenue your business plan promised. We treat every service intervention as an investment protection decision.

Our goal is not to invoice expensive field dispatches. With advanced remote diagnostics, we resolve the majority of situations without on-site visits — minimising downtime and saving your operational budget.

Request a Service Proposal

Availability SLA

Guaranteeduptime

We contractually commit to system availability aligned with your financial model — a direct parameter for return on investment.

Capacity Guarantee

SoHmanagement

We actively monitor battery State of Health. If degradation exceeds your business plan projections, we propose corrective measures before it becomes critical.

OPEX Optimisation

Remotefirst

Advanced diagnostics allow us to resolve most issues remotely — fewer costly field dispatches, less downtime, lower operational costs for you.

Service Scope

WHAT'S INCLUDED IN
EVERY CONTRACT.

Four technical pillars — each designed to protect the performance, safety and financial returns of your BESS asset.

Preventive Maintenance

Regular visual and thermographic inspections of HV/LV components, cooling system (HVAC) checks, and fire protection verification — scheduled to minimise operational disruption.

Thermographic HV/LV inspections
HVAC & cooling system checks
Fire suppression system verification
Mechanical integrity inspection

Reporting & EMS Access

Client access to the Volthein EMS dashboard with full system visibility. Supplemented by regular monthly and annual service reports covering performance metrics and battery health trends.

Client EMS portal access
Monthly performance reports
Annual battery health analysis
Degradation trend forecasting

Certified Service Team

Our engineers hold HV/EHV (VN/VVN) authorisations and are regularly trained directly by technology manufacturers — including CATL. You get specialists, not generalists.

HV/EHV certified engineers
Manufacturer training (incl. CATL)
Multi-architecture expertise
Continuous competence development

SLA & Spare Parts Logistics

Defined response and resolution times tailored to your project requirements, backed by a complete spare parts logistics chain — so the right component arrives when it's needed, not when it's available.

Defined fault response times
Customisable SLA parameters
Spare parts pre-positioning
Complete logistics management

Protect Your Investment

READY TO SECURE YOUR
BESS PERFORMANCE?

Tell us about your system and operational requirements — we'll propose a tailored after-sales package with defined SLAs and availability guarantees.

How we integrate Volthein EMS

Jan Misovic

Sales Manager

Discuss Your Package

We respond within 1 business day.

Your BESS.Always Performing.

WHAT MAKES OUR AFTER-SALESDIFFERENT.