3pcs 2s lithium

Buy 3pcs 2S 5A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board BMS for R190.00

Buy 3pcs 3S Lithium Battery Pack Power Indicator Board Electric Vehicle Battery Power for R210.00

Specifications: Size: 43*10*2.5mm Charging voltage: DC 9V Current: 4A Balance: YES Features: Built-in high-precision voltage detection circuit. Connect the terminals of the charger with high withstand voltage devices. Built-in three overcurrent detection circuit (overcurrent 1, overcurrent 2, load short circuit). Through the MOS tube can control the current charge and discharge. Wide operating temperature range: -40 ??~ +50 ?? Low current consumption. Description Of Welding Points: B+: Connect the battery positive B-: Connect the battery negative P+: Connect / discharge side positive (shared with the charging side and the discharge side) P-: Receiver / Discharge terminal negative (shared with the charging side and the discharge side) Note: Due to the manual measurement, there might be some errors, please understand. Package included: 1 x lithium battery protection board

3Pcs 3V To 5V 1A USB Charger DC-DC Converter Step Up Boost Module Features: Module uses the Taiwan production boost chip, high efficiency (up to 92%), plus built-in over-current protection chip, can be more good to protect the module and use the device after the class. Module with undervoltage protection, undervoltage protection into state below 2.5V, can be more better protect the battery, to avoid excessive discharge. Module can modify the fixed resistor adjusts the output voltage can be adjusted up to 12V output, but to ensure that the output power of less than 5W. This module uses TDK multilayer ceramic capacitors as main filter capacitor, the output ripple can be as low as 20mV (5V1A output case)! This module uses a standard USB interface, you can use all universal USB charging mobile phones, MP3, MP4 and other equipment, the perfect support for IPHONE and other mobile phone. Specification: Module properties: Non-isolated step-up module (BOOST) Input voltage: 2.5-6V Output voltage: 4-12 V(Adjustable, the default 5 v) Output current: 1000mA (Max) Efficiency: 92%(Max) (the higher the input voltage, the higher the efficiency) Switching frequency: 1MHz Output ripple: 20mV (MAX) Operating temperature: Industrial (-40°c to +85°c) Voltage regulation: ±2.5% Short circuit protection: None (please use the lithium battery with protection) Input: IN + postive, IN - negative Output: USB output Size: 3 x 1.3 x 0.8 cm Application: This module can be used for DIY mobile power output, enabling single or two ordinary lithium battery to 5V boost to the mobile phone or PSP device charging. DIY a mobile power supply, only need one battery, you can output 5V voltage for your phone, MP3, MP4, PSP charger, very easy. In order to power your electronic devices when your device needs 5V power supply, when you only have lithium battery, this module can be directly step-up to 5V, solve your problems. Note: This module is a fixed 5V output module Modules indicated above IN - (negative input), IN + (positive input), OUT-(negative output), OUT + (positive output) must be connected correctly, otherwise it may cause damage to the module This module has an LED light, when the charge when the LED lights can be used as indicator Package included: 3 x USB boost module

3pcs 4S 14.8V 16.8V Lithium Battery Protection Board For Power Tools Drill Straight Package contains 1 X item of the smallest listed variant.

3pcs 3.7V Lithium Battery Protection Board 18650 Polymer Battery Protection 6-12A 6MOS Package contains 1 X item of the smallest listed variant.

3pcs 3.7V To 5V 1A 2A Boost Module DIY Power Bank Mainboard Built In 18650 Lithium Battery

3Pcs Logging Recorder Shield Data Logger Module For Arduino UNO SD Card Features: SD card interface works with  FAT16 or FAT32 formatted cards. 3.3V level shifter circuitry prevents damage to your SD card. Real time clock (RTC) keeps the time going even when the Arduino is unplugged. Included libraries and example code for both SD and RTC, means you can get going quickly. Prototyping area for soldering connectors, circuitry or sensors. Onboard 3.3V regulator is both a reliable reference voltage and also reliably runs SD cards that require a lot of power to run. Works with Arduino UNO,  Duemilanove, Diecimila, Leonardo or ADK/Mega R3 or higher. ADK/Mega R2 or lower are not supported. Specification: Size: 68 x 53 x 23mm (approx) Regulator voltage: 3.3V Battery: CR1220 3V Note: This product has red and blue color, the color is random delivery. Package included: 3 x Data logger module 3 x Lithium cell

Feature: Onboard 2W mono amplifier (5V power supply up to 3W) can directly connected speakers (recommended with 4Ω3W speakers), 3.5mm gold-plated headphone jack can be accessed by headphones or external audio. With MicroUSB power supply interface, using mobile bank power or USB charger power supply, can also be used 3.7V lithium battery, USB 5V power supply. Support TF card (mobile phone memory card), U disk playback mode. With a speaker terminal without soldering, easy wiring. 1) Support MP3 format, power automatically play, led status turn to red. 2) Support U disk (tested with 32G), TF card (tested with 16G) playing mode, power default TF card mode, if the TF card does not exist automatically jump to U disk mode, and both devices are installed, you can manually set the playback mode, please refer to the key operation instructions. Key operation instructions: "Prev / V--" key: "short press" to switch "Previous" song, "long press" to switch "volume down" "Next / v ++" key: "short press" to switch "next song", "long press" to switch "volume increase" "P / P / Mode" key: "short press" to "play / pause" switch, "long press" for the U disk, TF card "mode" select "Repeat" key: "short press" for the "single / full song" cycle switch (no long press function) Note: 1. Long press time about 2S 2. If you use U disk mode, the recommended 5V power supply, some U disk does not support 3.7V power supply. Specifications: Power supply range: 3.7 - 5.5V Product size: 45mm * 36mm Package includes: 3 x MP3 Lossless Decoder Board

Buy 2S 7.4V 8A Peak Current 15A 18650 Lithium Battery Protection Board With Over-Charge Discharge Protec for R227.21

Buy 2S String Anti-overcharge Over-discharge 7.4V Lithium Battery Protection Board for R161.54

Specifications: Display: Power, Voltage, Close, the key for cycle. Voltage range: 8-70V, products will display based on the voltage value, voltage fluctuations, power meter will be follow as the voltage fluctuation! (Comes with reverse polarity protection, can be guarantee use effectively) The product is suitable for lead-acid 12V, 24V, 36V, 48V (can be changes via key, specific please see setup instructions as below) The product is suitable for 3.7V lithium series multi-platform, 3 string, 4 string, 5 string, 6 string, 7 string and 8 string 9 string 10 string 11 string 12 string 13 string 14 string 15 string (can be changes via key, detail information please see as below) Cable Length: 30cm Instructions: 1. Press and hold switch on the product, power on, automatically select the interface (please follow as the code corresponds blow) 2. Select your battery type after corresponding, for example 3 series lithium battery, you need to enter the selection screen, press the key point to L3 interface, then off, re-energized, choose success, such as the need to set 12V lead-acid batteries, the key point press to P12V interface, power, re-energized, both choose success 3. Instruments can be used if you Select successful.. Meter shows the power interface, tap switch, switch to voltage interface, click the switch, turn off the meter. cycle shown as the code corresponds Code: Suitable for L3: 3 string lithium L4: 4 string lithium L5: 5 string lithium L6: 6 string lithium L7: 7 string lithium L8: 8 string lithium L9: 9 string lithium L10: 10 string lithium L11: 11 string lithium L12: 12 string lithium L13: 13 string lithium L14: 14 string lithium P12V: 12V lead-acid P24V: 24V lead-acid P36V: 36V lead-acid P48V: 48V lead-acid Special Function Setting (requires electric iron, you must power off setting, electric iron must be grounded) A point connection, the backlight will be automatically shut down if delay10 seconds, the voltage fluctuation will automatic wake-up exceeds 0.3V / 0.5 seconds. B point connection, lithium choose 3-4.1V curve (lithium professionals) Package includes: 3 x Battery Capacity 3 x Cable

Buy 3Pcs 5S 10A Li-ion Lithium Battery 18650 Charger Protection Board 18.5V 21V for R471.68

Buy 3pcs 3S 12V 25A 18650 Lithium Battery Protection Board 11.1V 12.6V With Balanced Circuit for R352.06

Buy 3pcs 3S 11.1V 25A 18650 Li-ion Lithium Battery BMS Protection PCB Board With Ba for R236.75