Technical support

Structured support for Epever controller selection and deployment

Epever service is designed for teams that already know the site basics and need a disciplined way to move from load profile to hardware list. The process covers PV input limits, nominal battery voltage, MPPT current, battery chemistry, inverter pairing, monitoring expectations, documentation language and replacement planning. It is intentionally lean: fewer sales layers, clearer engineering questions and a quote path that avoids vague "solar kit" bundles.

Service table

What support covers before equipment is released

System sizingPV wattage, Voc at lowest site temperature, battery voltage, charge current and load behavior are checked together so the selected controller is not judged by amp rating alone.
Battery profile reviewLead-acid, gel, AGM and LiFePO4 settings are documented with absorption, float, low-voltage disconnect and temperature limits where applicable.
Integration notesInverter charger pairing, DC breaker sizing, cable routing, communication accessories and site monitoring options are listed in a practical commissioning sheet.
Distributor readinessStocking suggestions, carton labeling, manual language and replacement unit policy are aligned for repeat channel orders rather than one-off project guesses.
Methodology

Four steps from project data to a quoted bill of materials

  1. Capture the electrical envelope. The first pass records PV array layout, expected cold-weather Voc, battery bank voltage, charging current, inverter size and critical load hours. This prevents a controller from being chosen only from a product name or a search keyword.
  2. Check battery behavior. Epever support asks whether the bank is flooded lead-acid, AGM, gel or LiFePO4 and whether a BMS can disconnect under fault. Lithium settings are reviewed without claiming that any chemistry has no safety risk.
  3. Match accessories and documentation. Communication modules, remote displays, breakers, cabling and language requirements are put beside the controller model so installers know what arrives with the shipment and what remains local scope.
  4. Confirm market compliance wording. CE, IEC, RoHS and other references are used only where the documentation applies. If a project needs a local grid approval or a utility-specific form, the note is flagged before the buyer commits.

This technical flow is especially useful for RV solar distributors, telecom power maintainers, remote cabin integrators, agricultural pump installers and small commercial off-grid contractors. These buyers usually do not need a decorative proposal. They need a fast answer to whether a controller can accept the PV string, charge the battery safely, withstand the enclosure environment and give the owner enough data to understand alarms. Epever keeps the support conversation factual and repeatable so a successful first order can become a stable product line.

Send your PV and battery envelope for a controller review

A short technical brief is enough to begin: array wattage, battery voltage, chemistry, ambient range, load type and delivery market.

Start Support Request