Protocol guides
Brand-agnostic anchor content — OCPP, CCS, NACS, cooling, BESS framing, fleet CMS. Free lead magnets prove depth; Solo+ unlocks the rest.
ISO 15118 / PnC field notes
solo+TLS certs, contracts, and schedule renegotiation aborts.
Fleet CMS triage map
solo+Auth, schedules, and OCPP mapping issues in depot software.
BESS safety framing for EVSE techs
solo+What depot techs can check vs what BESS specialists own.
Metering & payment stack
solo+When the charger works but money or kWh doesn't.
Liquid cooling loops
solo+Pumps, leaks, airlocks, and false flow sensors.
CHAdeMO legacy triage
solo+CAN timeouts and lock faults on dual-standard cabinets.
NACS field notes
solo+Native NACS ports, adapters, and thermal derates.
Site power quality basics
Free lead magnetUndervoltage, harmonics, and breaker trips that look like EVSE faults.
CCS handshake basics
Free lead magnetSLAC → SDP → CableCheck → Precharge → CurrentDemand.
OCPP Faulted triage map
Free lead magnetWalk StatusNotification Faulted to the right subsystem fast.