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The Weird Fuses In Laptop Batteries
2016-09-05 14:36
I called them "externally triggerable fuse" in my first post. The datasheets call them "Combined Thermal Fuse/Resistor" or "Fuse-Resistance protector".Chances are your first time seeing one… Read More
Hacking The R2J240 With LGC Firmware
2016-08-30 10:34
The second battery controller I looked at was the Renesas R2J240-10F020. It's a complete black box with very little information available except for some outtakes from the datasheet on Chi… Read More
Hacking The Bq8030 With SANYO Firmware
2016-08-30 10:34
As mentioned in the previous article the bq8030 is the blank version of the bq20z90. If you bought some from Aliexpress they'd come up with the TI Boot ROM and you could use the flashing too… Read More
SMBusb - Hacking Smart Batteries
2016-08-26 15:40
Having gone deep down the rabbit hole of researching smart laptop battery controllers I've ended up reverse engineering a couple of them used in ThinkPad batteries. Looking around there's ve… Read More
2016-05-01 13:34
The Qualcomm Gobi2000 is an internal Mini PCI Express 3G modem. It was used in a variety of machines including the Lenovo Thinkpad X100e.It's a bit unintuitive to set up (to say the least) s… Read More
2016-03-02 21:03
Continued from Part 1.I checked around for a replacement display and ended up buying a Samsung LTN170X2-L02 (datasheet) for $25 shipped. Bargain.Another thing the UniMac adapter comes with i… Read More

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