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lead acid battery capacity indicator
Lead acid battery capacity indicator—monitor voltage, charge level, and health for automotive, solar, and backup systems.
The Lead Acid Battery Capacity Indicator is a reliable and easy-to-use device designed to monitor the state of charge and health of lead-acid batteries. It provides real-time information about battery voltage, charge level, and overall capacity, helping prevent overcharging, deep discharge, and prolong battery lifespan.
This indicator is ideal for automotive, solar, UPS, and backup power systems, as well as DIY battery projects. With clear LED or digital display options, users can quickly check battery status and make informed decisions about charging or maintenance. Its compact and durable design ensures long-term reliability in various environments.

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- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.
Mini Portable Virtual Laser Projection Keyboard and Mouse Wireless Bluetooth
- Compatible with Android, iOS, Windows and Mac all kinds of operation systems that can be used with any phone, tablet, PC and laptop for a smooth and fast way of text input.
- Built-in Bluetooth for connecting to other devices without complex wired troubles
- More stable and smarter
- Can change the mini USB port to micro USB port.Â
- With mini Bluetooth speakers, which support voice reporting and music playing
- 3 in 1 Function: Laser keyboard,Mouse and bluetooth speaker
- Good touch sensitivity
- The BEEP sound and brightness can be adjusted on the laser keyboard

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