Battery Monitor BM2 device for Cars & Campervans 12V Battery/leisure battery tester Compatible with Android iOS and Ipad with bluetooth 4.0 and above. Simultaneously Monitor Up to 4 Batteries. FEATURES ✅ Alternator Output Volt Tester | Access to Historical Data Graphically | Short-circuit & Reverse Connection Protection | 3M Range | Ignition Testing |Charging Testing & More.
eBay