✅ 13PNA 90AHB master-slave BMS, CAN, RS485, TTL, APP; master handles up to 15 slaves
✅ Master monitors pack, slaves watch modules; scales 100A–300A without hardware change
✅ 100mA balance per cell, module delta <20mV, extends battery life
✅ DIN-rail master, slave PCB fits standard module, wiring time cut 30%
✅ Factory direct, 20-day lead for 100 sets, open protocol for customer EMS integration




















