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2S 20A 18650 lithium battery protection board (BMS)
2S 20A 18650 lithium battery protection board (BMS)—overcharge, over-discharge, and overcurrent protection for 2-cell Li-ion packs.
Description
The 2S 20A 18650 Lithium Battery Protection Board (BMS) is a compact and reliable solution designed to protect 2-cell (2S) 18650 Li-ion battery packs from overcharge, over-discharge, and overcurrent conditions. Rated for 20A continuous current, it ensures safe operation and longevity of your battery packs in DIY and portable electronics projects.
This BMS provides balanced charging protection, preventing cell damage and maintaining uniform voltage across both 18650 cells. It is ideal for DIY power banks, electric scooters, battery packs for Arduino/ESP32 projects, portable devices, and small EV applications.
With short-circuit protection, overcurrent protection, and thermal safeguards, this 2S 20A BMS ensures the safety and efficiency of your lithium battery systems while maintaining compact size for easy integration.
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- Â Support 802.11b / n / g wireless standard
- Independent development MCU platform
- High cost performance
- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
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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.
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