> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# USB Charger for 7.4V LiPo Battery

**Type:** Product page · **SKU:** DFR0564 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/usb-charger-for-7-4v-lipo-battery.html ([markdown](https://core-electronics.com.au/usb-charger-for-7-4v-lipo-battery.html.md))

## Retired product

This product is retired and no longer available for purchase. Replaced by: CE08374.

**Replacement:** https://core-electronics.com.au/catalog/product/view/sku/CE08374

## How to buy

- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

Still using a big, bulky, traditional power adapter to charge your lithium battery? DFRobot provides you with a compact and efficient 7.4V lithium battery USB charger, only the size and weight of an ordinary Gravity sensor. With just a mobile phone AC adapter (or power bank) and an Android data cable, you can safely and efficiently charge the 7.4V lithium battery up to 1A, which commonly used in various [robots and motor drivers](https://www.dfrobot.com/category-51.html). The light-weight and micro USB interface features make it ideal for outdoor applications. In addition to serve as a charger, it can also be embedded in a variety of 7.4V lithium battery-powered projects, adding a USB charging function to it, eliminating the need for battery swapping and the use of traditional bulky power adapters.

**Board Overview**

![](https://core-electronics.com.au/attachments/localcontent/DFR0564_Overview_1317053e78f.png)

USB Charger for 7.4V LiPo Battery Board Overview

**Connection Diagram**

![](https://core-electronics.com.au/attachments/localcontent/DFR0564_App_4798783d077.png)

Use a mobile phone AC adapter or power bank to charge lithium battery
Charger for 7.4V 2S LiPo Batteries from DFRobot or Redesign Baofeng UV-5R charger(Russian)

###  Features

3. High efficiency boost type USB charger, designed for 7.4 lithium battery
4. Charge input and battery port reserved pads for easy modification and measurement
5. All-round protection of battery and power supply
6. Multifunction LED status indicator, system status at a glance
7. USB ESD shell
###  Applications

9. Robots and motor drivers
10. Lithium battery charger
###  Specification

12. Charge input voltage (USB IN):3-6V (5V, typical for USB IN)
13. Battery input (BAT IN): 7.4V 2s cells Li-polymer/Li-ion battery
14. Maximum charge current: 1A trickle charging, constant current, constant voltage three phases charging
15. Charge cutoff voltage: 8.4V±1%
16. Charge efficiency: >90%
17. Protections
    ? BAT IN: over charge/reverse connection protection
    ? USB IN: adaptive input current limitation, over heat/reverse connection protection
18. Operation temperature: -40?~85?
19. Dimension: 28.0mm\*37.0mm/ 1.1 \* 1.46 inches
###  Documents

21. [Product wiki](https://www.dfrobot.com/wiki/index.php/USB_Charger_for_7.4V_LiPo_Battery_SKU:_DFR0564)
###  Parts List

23. USB Charger for 7.4V LiPo Battery x1
24. 14\*14\*7mm Aluminum cooling fin x1
25. 14\*14\*0.5mm Thermal conductive silicone pad x1

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/f/dfr0564-900x600.jpg)