There’s several tutorials out there about replacing the main battery (in the Autel MaxiSys Ultra scan tool), but almost nothing about the battery in the VCMI itself. Here is the guide to replace the Autel VCMI VCI battery.
Possible reasons for replacing the battery:
- The VCMI VCI battery is faulty.
- Reduced battery life due to years of use and wear.
Disclaimer: This is simply a record of user experience. Opening the casing may void the warranty. We are not responsible for any resulting issues. Proceed at your own risk.
For example:
No complains with Autel Ultra quality. But the VCMI has recently taken a real nose dive. But for four years of use, abuse and getting hoods shut on it. So get the battery replaced.
Tools required:
- A 2.5mm hex socket
- A 2.0mm hex socket
- Packet screwdriver
- A replacement battery
Instruction:
For reference, we call the end of the VCMI with the hanging hook as the top. The scope/BNC end will be the bottom. All the exterior work will be done at the top. Start with these four recessed 2.5mm screws:
Gently work the rubberized bumper off the plastic clips and you’ll find two 2.0mm screws.
These screws simultaneously hold the upper retainer to the metal case, and also hold the hanging hook in. If your hook falls out on the floor, not to worry, it slides right back in.
Then it’s down to four more 2.5mm recessed screws and the upper retainer pops off.
From there, the guts of the Autel VCMI slide right out the top.
You can buy a replacement battery from ebay or aliexpress. Googling with ‘SP515783’ and order battery (Li-ion Battery 3750mAh 3.8V 14.25Wh & 9 wires).
The replacement so similar to the original, I have to wonder if it’s an OE or OEM part:
The battery itself is only held in with double-sided sticky foam. Just pried it out with a pocket screwdriver.
Flip the guts of the VCMI over to find the battery cable connection, covered with a bit of fabric tape. Pops off with a pocket screwdriver blade.
Connect up your new battery, tape it down and reverse the removal process. Be aware, the replacement battery came completely discharged out of the box, and would not power the VCMI on immediately after installation. Let the new battery charge afterwards.
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