New Hitachi 3.6v HXP EBM315 Li-ion battery won't take a charge
I just purchased a new Hitachi 3.6v HXP EBM315 Li-ion battery to replace a (what I thought was) dead one. When I put it in the charger, the charger's indicator light stays on for about 10 seconds, the goes out. I have a an older battery that still takes a charge, and when it does, the charger's indicator light stays on until a full charge (longer than 10 seconds) Any thoughts?
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May be It can mean your LI ION battery is out of range by the deep discharged protection. !!! your charger is not defect and your battery also not in 80% of this cases you are certainly not the only one with this problem . i think your battery was or is new or for a long time not used have i right ? or it was long lay down in the stockroom by the store before it was selling as i know from experience it by the brand Hitachi its fast much allways going that way. in priority the little 10 volt batteries made of li-ion can have on stock for 5 years its out of range , but i send it back and for service they come back full loaded again and full of capacity. its fully under service and they know that problem, there are no costs as all people with Li Ion tools to sell should know this or asked by purchase by some companies to load it full before buying a new tool with li-ion batteries because it prevents a disappointment and a drive to the shop again.
Note to control it that way 80 % in case of this the charger is not defect ask someone or your dealer or friends to test that charger with a new or other functional or regular used Dewalt fitting li ion battery , then you know for shure that its realy not defect, but your battery can be boosted with a special cadex charger if its was little used but i have made in experienced an discovery (but only on Dewalt li ion batteries..because there are only 3 poles on Dewalt accu s to find its missing that special grooved protection circuits with multiple contacts inside on the li ion batteries as to find by all other regulary brands too find) used a simply auto charger 12 volts 4 amp placed + and - corresponding the pins + and - and for 20 seconds because its li-ion (always by unknown experiments wear safety glasses) under the load and repeat that 3 times on a 14,4 volt li ion battery and after i switched that battery fast after that short boost again in the original loader and if the lamp on the charger was again been continues red thats mean it was reborn new and accept its loading again in the official dewalt loader and it was be accepted from that time again without repeating the same problem after fully loading it again. its made me happy but only by Dewalt was this experiment functional simply + on + and - on -
Beware do not this on other brands like Panasonic Makita Hitachi or other Brands milwaukee to do this li ion action because its has no cure wasting not your time and do not experiment full on the separate cells it can made great explosions without electronic technical impossible because of complex protections that are marketing technical made ONLY by special CADEX chargers are used for it to boost it so it will be again fully functional again .
Li ION is not comparable with Nickel Cadmium or nickel metal hydride, the first must be trained for capacity and the second not but do not load nickel metal hydride batteries in the freezing cold most outside or in cellars the lasting life of that batteries is very short after that . the capaciti will loose and is not coming back and is very bad to boost., Nickel Cadmium is heavy and great instead of Nickel MH . and material is expensiver the only good improvement of NI MH is the weight and the building material, and no capacity memory if its used under normal temperatures. above 0 degrees .
Li-ION hold them as much on the charger change both fast after use will long last the life of the battery.
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.
Yes you can. On tools, 18 volts is 18 volts. Tools don't 'know' how the power is being created, either by Ni-Cad or Li-Ion means. Chargers are totally different. Most Li-Ion chargers can charge older Ni-Cad and some Ni-MH batteries but older Ni-Cad chargers will charge Li-Ion battery untill they overheat and sometimes start on fire because older chargers can't detect when the Li-Ion batteries are full.
according to the schematic I saw yes you can and I think that you will be pleased with its performance, their operator manual even lists the weight of tool with this battery. Makita has a 1 year limited warranty on the Li-Ion battery that you might want to consider if you have the receipt.
I would suggest taking all of them back to store for evaluation. They have a computer program that will be able to check the batterys for how many times charged and the condition. (most of them do) and also the chargers. Other than that we don't have a way to check the li ion with that program. If no satisfaction I would call manufacturer direct and speak with tech services for answers.
I think your tryiong to charge NIMH batteries oon a charger designed for Lithium Ion batteries. With all the new style batteries such as NICAD, NIMH and LI-ION, charging becomes difficult. Most chargers pre NIMH and LI-ion, were designed for NICAD's. The best advise, match your batteries with the correct charger
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
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