I have 2 x chargers with a problem. Charger 1- I plug in the charger, the slow flashing red light comes on as per normal, then I plug in the battery, and within a few seconds, the light goes off. The charger does not charge at all, and the fan noise does not come on either. Charger 2- I plug the charger in and turn on power, the red light comes on and flashes fast with no battery in it. If i put the battery in, it just keeps flashing fast. It does not charge. I am disappointed with this Hitachi product, as I have paid for one of the most expensive drill and impact drivers there is on the market, and 2 x chargers have stopped working. Can anybody please help me solve my challenge here?
The time this li ion questions are now more marketing technical modified that only special cadex loaders can boost li ion batteries
Dewalt and Hitachi have both the most simple used concept for loading thats true a 12 volt batterie loader for a car can be used by some Dewalt 14 volt batteries to boost the deep unloading protector so it will be accepted again by the original loader but Festool Panasonic Makita and many more Brands have batteries with special futures in the li ion circuits written there is it unpossible only by special CADEX chargers a special LOG file concept from where it was bought how many load cycles it has and many more data to show if someone replaced a batterie in a store by service can give that exactly if the battery was selled with the right tool and is not elder then the tool.
Li ion is become more and more a little detective unther the service and warranty jobs these day now.
I had the same problem with a Hitachi BSL-1815X. When you placed it on the charger the chargers red light would go out completely. Ian's solution worked like a charm. At first, I read his post to me I should connect a nine volt battery to the drill battery. That didn't work. Then I realized he was connecting the bad battery to a fully charged battery of the same model. So I connect the positive and negative of a fully charged BSL-1815X to the bad BSL-1815X. It worked like a charm. I allowed it to charge from the good battery for about 3 minutes then put it back on the charger. The red light came on solid and about an hour later the red light began flashing and battery was fully charged. Thank you Ian for the excellent advise.
I live by hitachi, one of the good things about it is lowes will exchange them as long as you have a receipt and it's under 30 days. If not chargers are not very expensive, or you can send it back for repairs. I have 10 of those combo packs and never had a problem with a single one, for you to get 2 is a freak accident.
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
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: Two brand new Hitachi BSL1815X
These batteries have big problems that Hitachi doesn't address very well. Unlike NiCad batteries, Lith-Ion ones must be periodically used and recharged to retain their battery functions, i.e. if they have been sitting on the shelf at a store for an extended period of time, chances are they will be dead when bought and will not accept a charge. If they go dead i.e. no little red light on the charger when you plug the battery unit in...it's basically junk.
If you can return them or exercise the warranty do so. If / when you get new ones DO NOT completely discharge them like you would NiCads. Lith-Ion batteries do not have the "battery memory" issues that NiCads have which means you don't lose running time if you don't fully discharge the battery unit prior to recharge. Completely discharging before recharge will ultimately kill them. Use the 1815X till almost dead and then charge it. It is also recommended Lith-Ion batteries not be stored fully charged i.e. charge the 1815X fully, drive a couple bolts or screws, remove the battery unit and then put it away. Do not leave battery unit plugged into the tool when you put the tool away. This will discharge and kill the battery unit.
There are non-Hitachi substitute batteries now on the market. I'm guessing the same precautions apply but I don't own one of the replacements so I don't truly know.
The actual batteries in the Hitachi BSL 1815X are Sanyo UR18650SAX lithium ion batteries. Lithium Ion cells aren't all that easy to get commercially because of handling & safety requirements. Not certain if you can take apart the 1815X and swap out the bad Sanyo cells.
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