Romondes via Amazon has for Prime Members: ANCEL 12V Battery Monitor (BM300) for $39.99 – 20% w/ ‘clipped’ coupon on product page – $9 w/ code 7HXRUXNB= $19.99. Shipping is Free.
About this item:
- BM300 can help monitor your battery health, including Voltage, Cranking, Charging system and travel records.
- Quickly reads data (Accuracy over 99.5%) to determine if the car battery is abnormal and take appropriate measures to protect the battery.
- Bluetooth Connection
- Compatible with all 12V 100-2000CCA batteries, including regular flooding, AGM flat, AGM spiral, GEL and EFB batteries for cars, trucks, hybrids, suv’s, boats, RV’s, motorcycles, and even solar power systems. It can meet the needs of batteries of different models.
- " Trip" function observes the monitored output curve of each battery check and gain insight into usage patterns over the past 30 days. It records every instance of power consumption, giving you a comprehensive overview of battery performance.