Question about Norelco Health & Beauty
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Posted on Jan 02, 2017
8/20/2009 I have successfully replaced batteries on Norelco 5841xl. Purchased 4AA NiMH rechargable batteries from CVS for $9.50. Only need 2. Removed 2 Philips/straight screws on back cover(1 screw hidden under sideburn trimmer extension button).
Specially, be sure to mark on the shaver which way the batteries are inserted, 'cause once removed there are no marks to tell which way to go. The 2 batteries are "SPOT WELDED" to the metal ribbon contact wires. I used a sharp jack-knife to carefully pry the top edge away from the battery, (Pressing down sharp edge, and prying the ribbon away from the battery) then with the knife reaching under the ribbon battery junction(knife sharp side up) and prying the ribbon away from the battery. I redid this process a few times, wearing away (fatiguing the metal) at the removal of the ribbon. the top of one sort-of broke off above the battery but no matter there was enough left below , that there was enough to solder a wire to if necessary. Anyway "success" 2 batteries removed, no threat to heat sensitive components below. Continuing, I used a sharp new nail-file to harshly scrape some scratches onto the top and bottom of the batteries, so the solder would have fresh rough (un-oxidized) metal to solder to. A 15 or 30 watt soldering iron might work but I used a 120 watt weller soldering gun to solder the ribbons to the batteries (as they were connected in series before). preheat the soldering tool to temp, Press soldering tool to the battery briefly and while there insert "rosin core solder" between junction between the battery and iron, after a small droplet forms, stop inserting and let the heat on the battery increase, seeing the solder wetting to the battery, only then remove heat quickly to prevent deeper heating of the battery. Having presoldered the 4 points on the batterys, insert batteries into holder, you can then solder batteries into place with iron pressing ribbon to battery, and a small touch of solder to the iron-ribbon-battery junction, to help "wetting" the surfaces (thereby helping the iron heat to transfer into the joint) and remove heat and let joint cool without movement, 'til frozen again. (Don't want "Cold-Soldering" joint to occur by movement while freezing) . One special note worth checking and evaluating: there are 2 capacitor cans at the bottom end of the battery holder, almost touching the bottom of the batteries..... BE VERY CAREFUL that the caps don't touch the horizontal wire connecting the 2 batteries together, or the batteries themselves. I have no knowledge of the concequences but don't wanna find out either. My shaver was 8 maybe 10 years old, and went from holding a charge for a week new, to not holding a useable charge for a complete shave. So I charged the newones once fully, it's been 2 weeks and I'm only down 20% to 80% charged, and it seems now on batteries to run just a little bit faster than new. (Like when the cord is in the wall). Avery awesome experience for me cause I thought the $90.00 shaver was a loss.
Just a thought in hindsight, Keep an eye for heat while charging, because I've not plugged it in and left it a long time unattended. The previous batteries were NiCad and these were NiMH and I'm not sure what the charging differences are, but I'm REAL HAPPY, and my keeping an eye for a while until I'm comfortable with it's safety, is a small price to pay for saving $90.00 for $10 batteries.
Only problem might be fire or explosion... Be careful in anything you do, ever... But there you go !!!!! Real Happy Camper...
Posted on Aug 22, 2009
It sounds like you need a new "head holder". These often wear out over time and fall apart. You will find a replacement at shaveroutlet.com. See link below.
Posted on Feb 04, 2010
You should always use the same type batteries that your shaver was designed to be used with. Your shaver was designed for use with NiCd batteries. If you have use NiMH batteries this may be causing the problem you described.
However, I would say that it is more likely that you have some sloppy solder that is bridging something that is not supposed to touch. You should check the battery solder joints on the circuit board and clean up any sloppy solder work that may be there.
Posted on Apr 16, 2010
It is doubtful that the battery is bad because they dont normally go bad suddenly. Usually, they will degrade slowly and hold a charge less and less before they stop working.
It sounds like you may have a loose connection somewhere. Check the leads from the circuit board to the moto and also the tabs that connect the battery to the circuit board. These sometimes break.
Posted on May 08, 2010
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This Norelco Razor contains rechargeable Nickel-Cadmium batteries, which must be
disposed of properly.
Batteries should be removed only when the razor is to be discarded. Batteries should be recycled or disposed of properly. To recycle the batteries please call 800-8BATTERY (1-800-822-8837) for a location in your area. If you have additional questions or need further assistance, Consumer Care can be reached at 1-800-243-3050. You can also visit this product's Support Site @ http://ow.ly/6j5Ep for chat, FAQ's, manuals, and more. Hope this helps. If so, let me know by rating this solution.
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