3517 Battery Monitor BM2 NOTE: Lithium Version:Support 12V lithium battery Lead-acid version:Support 12V lead-acid batteries Why choose us? 1. We are the original factory. BM2 is the first 12V car battery monitor product since we started the company. It has mature technology, accurate measurement and stable program. 2. BM2 can be applied to both lead-acid batteries and lithium batteries to meet different requirements 3. BM2 has more functions than other products, stable and accurate, and uses patented algorithm to accurately test the car voltage 4. BM2 can be connected to the battery for a long time, with low energy consumption, about 1.5mA 5. We have added online customer service, you can contact us online in time to solve problems FEEDBACK APP PAGE BM2 is a kind of auto battery monitoring for all 12V car batteries, woks via Bluetooth and mobile phone APP, to check the battery status and relative systems in the cars . Works with all 12V batteries. Wireless (Bluetooth 4.0) in10 meter Software included for Android and iPhone All Apps for Android and iPhone are designed by ourselves, download for free via Internet Functions Receives notifications of battery conditions in Bluetooth range. Checks vehicle cranking system automatically while engine is starting. Checks charging system (alternator) Lists the time of each driving. Alerts mobile phone if detects abnormal data. Short-circuit and reverse connection protection. Data stored in battery monitor up to 35 days if out of sync. Automatic synchronization when in Bluetooth range. Compatible with all 12V vehicle batteries. Shows historical data graphically. Engine starting detection automatically. Free app for iOS and Android. Support mobiles: All iOS and Android smart phone with Bluetooth 4.0 iOS (iPhone 4S,5, 5C, 5S and later;iPad 2,iPad Air,iPad mini,iPad mini 2 and later) Android: at least Android 4.3 (support for Bluetooth 4.0 phones) Vehicle Coverage All 12V batteries, including motorcycle, car, SUVs, MPVs, light trucks, trucks, and boats. Including the Lead-Acid, AGM, GEL, EPB, Lithium metal batteries.