2pcs 5V Micro USB Input 1A 18650 Lithium Battery TP4056 DW01A Charger Module

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Seller: Top-Rated Plus Seller envistia ✉️ (36,970) 100%, Location: Fort Collins, Colorado, US, Ships to: WORLDWIDE & many other countries, Item: 191850083395 2pcs 5V Micro USB Input 1A 18650 Lithium Battery TP4056 DW01A Charger Module. 2 Pieces Enhanced Dual Function 5V Micro-USB Powered 1 1S LiPo Battery Charger TP4056 Module With Internal DW01A Battery Protection IC This is an enhanced USB-powered module for charging rechargeable lithium batteries using the constant-current/constant-voltage (CC/CV) charging method. It requires a 5 VDC input using a MicroUSB connector or solder pads and charges an 18650 lithium battery at up to 1A charge current and provides output connections to connect the battery to the device being powered.  Note that this module does not step up the battery voltage to 5V, it simply connects the battery to the OUT connectors. There are other types of modules on the market that use the TP4056 but lack any protection circuits or ICs. This module uses both the TP4056 and the DW01A Li-Ion battery protection IC, which together provide constant-current/constant-voltage (CC/CV) charging, along with protection against over-voltage, over-discharge, over-current and short circuits to protect the battery and the device that it is powering. The device to be powered by the battery is connected to the module's OUT+ and OUT- connectors and the battery is connected to the B+ and B- connections. When connected to USB power, the module provides up to 1A charge current until the battery is charged, then switches to a constant voltage mode to keep it charged.  During use (when USB power is disconnected), if the battery voltage drops below about 2.4V (over-discharge), the DW01A protection IC disconnects the battery from the OUT connectors, disabling discharge to protect the battery from running at too low of a voltage and to protect the device being powered from an under-voltage condition.   When the module is then connected to USB power, it will trickle charge the battery to 2.9V  (the over-discharge release voltage), at which point the charge current will be linearly increased to 1A maximum and the module will reconnect the battery to the OUT connections, allowing discharge of power from the battery to a connected load. Although the module cuts output power from the battery during an over-discharge situation, it still allows trickle charging of the battery to occur. The module also protects against overcurrent and short-circuit protection - it will cut the output from the battery if the discharge rate exceeds 3A or if a short-circuit condition occurs.  This module is perfect for charging single cell 3.7V 1 Ah or higher LiPo cells such as 16550s and 18650s that don't have their own protection circuit. It can charge two cells in parallel, however since the two cells share the charging current, they take twice as long to charge as a single cell.   Specifications:
  • Input: Micro USB female or + and - solder terminals
  • Input voltage: 4.5-6V (recommended voltage 5V)
  • Charge cut-off voltage: 4.2V + / - 1% (charges a 1S Lithium Ion Polymer Battery)
  • Maximum charging current output: 1000mA (can be adjusted by changing the value of Rprog resistor - resistor values for various current levels are specified in the documentation and usage instructions included with the module)
  • Battery overcharge protection voltage: 4.3V
  • Battery discharge protection voltage: 2.4V
  • Battery over-current protection level: 3A
  • Board size: 27mm x 17mm x 3.6mm LxWxH (29mm x 17mm including USB connector overhang)
  • Indicator LEDs: 
    • Red: Charging in progress 
    • Blue: Power on, charge complete
  • Working temperature: -10C - +85C
Operation:
  • Connect a micro USB cable for power, or 4.5V to 6V DC to the pads marked IN+ and IN- on left side of the module
  • Connect a battery to B+/B- pads on right side of module
  • Connect a load (something for the battery to power) to the OUT+/OUT- pads on the right side
  • If the load draws more than a few hundred milliamps of power, it should be disconnected when charging the battery
  • The red LED indicates charging in progress, blue LED indicates charging is complete
  • If the battery voltage drops below 2.4V, the module will disconnect the battery from the load, and will reconnect it when the voltage recovers to ~2.9V
  • If the load draws more than 3A current, the module will disconnect the battery from the load  
Package Includes: 2X (2 Pieces) 5V Enhanced TP4056/DW01A 1A Micro USB Lithium Battery Charging Module Link to online documentation & usage guide Get it faster! Stocks and ships from our US Colorado office for quick delivery. Click here for this same TP4056/DW01A module with a USB-C connector :  USB-C TP4056 DW01A 18650 Lithium Battery Charging Charger Module . Please contact us for quantity/OEM pricing. Note that this module does not step up the battery voltage to 5V, it simply connects the battery to the OUT connectors. If your device requires 5V support power, we recommend connecting the OUT+ and OUT- to a step-up boost converter such as this one: http://www.ebay.com/itm/2-0V-to-4-5V-In-5V-USB-Out-DC-DC-PFM-Boost-Step-up-Power-Supply-Converter-Module-/191837968803 , which will boost and regulate your battery voltage to 5V USB power. See the image in the photo gallery for an interconnect diagram for these two modules.   We provide FREE USPS First Class Shipping with Tracking - Not Economy Shipping
  • Condition: New
  • Country/Region of Manufacture: China
  • Output Voltage Rating (DC): 4.2V
  • MPN: TP4056/DW01A
  • Nominal Voltage Rating (DC): 5V Input
  • Nominal Current Rating: 1 A
  • Brand: Envistia
  • Input Voltage Range: 4.5V to 6V
  • Model: 2X TP4056 Charger + DW01 Protection Circuit
  • Device Function: Battery Charger
  • Maximum Peak Output Current: 1A
  • Maximum Continuous Output Current: 1A
  • Conversion Direction: Step-Down
  • Product Type: Power Regulator
  • Current Conversion: DC to DC
  • UPC: 732387202165

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