My Heavy Metals had gotten weak displays or even died. It's time to give them a new battery.
With the tools ready, it's time to start.
The battery locks on the 1288 module are not very easy to open. It's harder than on a casual DW-6900 for instance. You got to stick the sharp tooth tweezer deep into the lock to pry it open.
The AC contact.
The reset procedure. Conect the AC contact with the back of the battery with a sharp tooth tweezer or similar objects (I have used two staples or two screwdrivers instead in the past). Hold for about 2 seconds.
These are 4 very happy Heavy Metals!
WWWOOOOWWWW!!!!!!!
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