Yousun

Posted on July 17, 2019 July 17, 2019

Greenworks Elite Li-Ion Battery Charging

4 chargers with different production dates

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Posted on April 5, 2019

Rebuild laptop battery with 18650

The actual battery capacity is 15.44Wh / 10.8V =1.429Ah

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Posted on March 3, 2019 March 3, 2019

DIY 48V 20Ah 13s8p Electric Bicycle Li-ion Battery

Use 104pcs 18650, INR18650P Shenzhen Zhuoneng, 2600mAh 3C .

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Posted on February 12, 2019

DIY 21V 26Ah Lawn mower Li-ion Battery

6 pcs * 3.6V 26Ah , 21V 6.0Ah Battery , box

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Posted on December 28, 2018 December 28, 2018

Dewalt DE9000 is the same as DC9000

Positive Left 220V DE9000 charger, Right 110V DC9000 charger

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Posted on December 9, 2018 December 9, 2018

Valence U27-12XP Battery balance board communication

Valence U27-12XP Battery balance board, Software, USB to 485 adapter

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Posted on November 26, 2018 December 9, 2018

Battery pack balance interface BUG

20s8p 84V 20Ah Battery pack

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Posted on October 1, 2018 October 6, 2018

Dewalt 36V 3.5Ah DC9360 Battery Rebuild – Li-Ion replaces LiFePO4

Internal battery and BMS are broken.

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Posted on September 19, 2018 August 31, 2019

12V Energy storage spot welder time controller

IC 556 Schematic Continue reading 12V Energy storage spot welder time controller

Posted on September 3, 2018 November 10, 2018

Maxim USB to 1-Wire Interface Adaptor

PCB and IC

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