Question about Makita Tools 18V 1/2" Lxt Lithium - Ion Hammer Driver - Drill Kit - BHP451

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Makita batteries - Makita Tools 18V 1/2" Lxt Lithium - Ion Hammer Driver - Drill Kit - BHP451

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  • illawarra34 Aug 17, 2008

    18v Makita LXT BL1830. Problem is now that charger will not charge two of the three batteries in the kit, saying "they're broke" and yet the actual battery was still holding charge and would power the impact driver no probs. Even when completely flat, the charger will not accept these batteries. Are the batteries at fault or is the charger dodgy?

  • illawarra34 Aug 17, 2008

    Nice trry lasvegastech BUT even with both battery and charger cool, charger still thinks the battery is faulty.

  • the1russ Oct 13, 2008

    Similar problem - 18v Makita Lithium Ion drill, about 2 years old, 1 of the original batteries stills accepts a charge. Have gotten 4 replacements that will work for 2-5 charges and then show up as bad on the charger and it won't charge them. Home depot has exchanged them as long as the date code stamped in the top is less than a year old. Opened one up and saw a circuit board on top of the battery pack - who needs that level of complexity just to charge a battery...just more to go wrong.

    Have tried it hot or cold, batteries completely flat or still with enough charge left in them to run the drill. Same story, the charger says they're no good and refuses to charge them.

    Can you bypass the "smarts" and just apply 18v for 15 minutes? At what current rate (amps)? which terminals?

  • goose0069 Feb 26, 2009

    same as others , my 18v lxt bat is coming up error , i no its not the charger as my spare bats charge fine . its a common fault from what i can gather . all i want to no is how or who will repair it.



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Make sure the charger is cold or keep it in a cold place, when makitas charges get hot, they will not charge.

Posted on Aug 17, 2008


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