30A Beefy Bluetooth Solar Charge Controller With PWM For 12V 24V 36V 48V Systems, Four USB Ports, Backlit Display, Temperature Sensor, Aluminum Heat Sink, Ideal Regulator For Lithium, Lead Acid And Gel Batteries

Heavy duty Bluetooth PWM solar controller for 12-48V systems
✔️ Single unit, 30A PWM charge, Bluetooth control, 4 USB ports

The 30A solar charge controller is built for 12-48V battery banks and supports LiFePO4, gel, and lead-acid chemistries. It features Bluetooth connectivity, a backlit display, a temperature sensor, and an aluminum heat sink, making it a reliable regulator for off-grid solar setups, RVs, boats, and remote cabins.

✅ 4-stage PWM charging: fast charging, boost, float, and equalization
✅ Battery compatibility: lead-acid, gel, and LiFePO4 (lithium iron phosphate)
✅ Bluetooth monitoring: built-in module with app pairing, up to ~30 m range
✅ High input voltage: PV up to 100 V, max PV power 360 W (12V), 760 W (24V), 1170 W (36V), 1560 W (48V)
✅ Protections: short-circuit, open circuit, reverse connection, overload, and undervoltage cutoff at 8V

💡 What is a PWM solar charge controller used for in 12-48V off-grid systems? A handy, general explanation to help buyers understand why PWM matters. - Provides staged charging to optimize battery life - Regulates voltage and current for safe charging across chemistries - Enables Bluetooth monitoring and remote configuration - Protects against short-circuit, reverse polarity, and overcharge