The leagend BM5-D is a 12V battery monitor that pairs the under-bonnet unit with a wireless, solar-powered display you place in front of the windshield - no wiring required. It shows state of health, state of charge, temperature and voltage in real time, automatically tests the starting and charging systems, and alarms on abnormal data. The display switches itself on and off with vehicle vibration and can be topped up over Type-C.
BATTERY MONITORING
● Real-time display of state of health, state of charge, temperature and voltage;
● The wireless display requires no wiring and can be placed in front of the windshield;

AUTOMATIC MONITORING
● Automatically test the starting and charging systems of the vehicle;
● Automatic alarm when data is abnormal;
● Automatic power on and off;
BUILT-IN PROTECTION
Built-in fuse, reverse connection, short-circuit and overcurrent protection;
SOLAR-POWERED DISPLAY
● The display is powered by a built-in lithium battery and solar panel;
● Type-C 5V charging is available when the display battery is low
SPECIFICATIONS
Inquiry & Sample Request
Faqs
2. We respect our customers and are fully willing to grow together with them to achieve a win-win situation.
2.Small-batch trial orders are supported.
1. The customer provides the required drawings/detailed parameters.
2. The project is confirmed to be feasible.
3. A contract is signed with the customer and a deposit is paid.
4. Follow up on the customer's needs and make samples.
5. The customer tests and confirms the samples.
6. Mass production begins.
2.During the warranty period, we provide free repair and free firmware software updates.
2.If the defective rate exceeds the acceptable range based on the sampling inspection ratio, the factory shall re-produce the goods.
2.On-site factory visits require an appointment 7 working days in advance. We will arrange a dedicated person to receive you and provide a full tour of the production workshop, quality inspection process, warehousing and logistics. Video factory visits can be booked at any time and support bilingual explanations in Chinese and English.
2.Standard quotes are valid for 30 days, while quotes for customized products are valid for 15 days.