Comparison : Item # 42703850 (1 piece in stock until stock arrives approx May 20th 2025), SNTL300P Model Sentinel 300P Programmable Switch Mode Battery Charger (1 piece in stock until stock arrives approx May 20th 2025)
Item # 42703879, ESNTL300PM Model Sentinel 300P Programmable Switch Mode Battery Charger
Item # 42703875, ESNTL300PCLM Model Sentinel 300P Programmable Switch Mode Battery Charger
Item # 42703900, SNTL-RTC Model Remote Temperature Sensor
Item # 42703851, SNTL300P-FP Model Sentinel 300P Programmable Switch Mode Battery Charger - Fire Pump Approved