I've followed HELP2DIY's advice
4 #3 phillips screws will open the case
there are actually 2 fuses 15A glass type which i can see that both wires through the visible glass are intact
the rest of the resistors and capacitators & what-not on the circuit board/ breadboard also show no signs of any electrical burns
i've also have 2 replacement batteries just to test this charger & still blinking
any others found a way to fix this "made in china" product?
i also went to AzOn for similar reviews with no real answer but to just buy another one
SOURCE: Drill battery charger doesn't work
Hi Firemedic13; Most chargers like yours have a fuse inside them. Remove the screws that hold the charger together. The fuse will be on the low voltage side of the transformer. Un-solder and replace it with one of the same value. If the charger is not held together with screws (doubtfull) you will have to carefully cut along the seam where they were glued together. A dremmel tool works good for this. After repairing use some ABS pipe glue to re-seal them together. If the fuse is not blown then the unit will require testing by someone that is proficient with a multimeter. Most times it is the transformer that has fried a wire. If the sides of the transformer have any burnt spots on it then it will be the culprit. Hope this has helped. Best regards; HELP2DIY Please dont forget to rate my answer.
SOURCE: brand new hitachi 18v, one
I have just had a similar issue I left the drill unused for a period and when i placed it in the charger the charger showed the battery as charged after about 15 secondseconds.
Following a internet search i found a site that suggested for a imlar problem with a camera jump starting the low battery with a 9 v battery. I had a spare from the drill which was fully charged so placed a contact from + to + and - to - and held for about 2 mins. I then placed the battery back in the charger and it started charging. Running the battery down as we speak to recharge again well worth a try. If you dont have a spare maybe the 9 v would work
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