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Batteries & Hybrid

Charge controllers, lithium BMS alarms and battery problems in hybrid and off-grid systems.

2 in-depth guides

Lithium Battery BMS Errors in Hybrid Solar Systems: Communication, Imbalance and Protection Trips
Batteries & Hybrid

Lithium Battery BMS Errors in Hybrid Solar Systems: Communication, Imbalance and Protection Trips

How the battery management system (BMS) in lithium solar batteries works with hybrid inverters, what common BMS alarms mean — communication loss, cell overvoltage, imbalance, temperature — and how to troubleshoot them safely.

·8 min read
Solar Battery Not Charging? Charge Controller and Battery Troubleshooting Guide
Batteries & Hybrid

Solar Battery Not Charging? Charge Controller and Battery Troubleshooting Guide

Step-by-step troubleshooting for solar batteries that won't charge or charge slowly — PV input, MPPT and PWM charge controller settings, battery type and voltage settings, cabling losses, lead-acid sulphation and lithium protection modes.

·8 min read