Truck Freight: No
Contact: 866-675-8464
30-day returns available
Manufactures Part Number: BM-BT
Truck Freight: No
Bluetooth Battery Monitor
When you need a battery monitor but don't have space for the display or routing thecables would be a nightmare, there is now a solution. The BM-1(BT) will monitor yourboat or caravan's lead-acid batteries and transmit the data directly to your mobile phone,or tablet, wirelessly by bluetooth.
A simple Android app, freely available from the nasamarine.com website or Google PlayStore, (requires Android V4.3 or later) shows your service battery voltage, current flowingin or out, state of charge and time to charge or discharge the battery. An audible alarmwarns if the battery level gets dangerously low. It will also show the starter batteryvoltage. For apple users a more sophisticated app, with additional features can bepurchased from the Apple app store. Compatible with iPhone, iPad and iPod touch.Offers Apple Watch App for iPhone. (Requires iOS 9.0 or later)
The monitor, which draws a meagre 2 mA, is supplied with a 100 amp shunt and a premadecable assembly to simplify connection to your service battery.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
How we compare to other Sellers
Most Asked Questions
Most orders ship within 1–2 business days. Delivery times depend on your location and carrier, but you’ll receive tracking as soon as your order ships.
Free shipping is available on eligible orders. Shipping options and costs are shown at checkout.
Yes. Certain large or heavy items may ship via truck freight. If truck freight applies, it will be clearly noted on the product page.
We accept returns on unused items within the specified return window. Please see our Returns Policy for full details.
Many products include manufacturer instructions. If you need help, our support team is happy to assist.