Sears Craftsman

How to Repair Sears Portable Tool Batteries

Craftsman and Diehard portable tool batteries are the two main names distributed by Sears. Newer portable tool batteries often contain lithium ion cells instead of nickel-based cells; while this type of cell produces more power and weighs less than nickel cells, it's not recommended for service or repairs done on a do-it-yourself basis. Lithium cells are volatile and must be charged in a certain way; every portable tool battery pack has power surge stabilizers fitted to ensure correct charging. However, you still find many nickel-based Sears portable
Panasoni EY6432 tool batteries
around, so if you have one and it's not operating correctly, try repairing it yourself.

Put your Sears portable tool battery on charge. Remove it from the charger once it's fully charged. Leave the
Panasonic EY9136 battery
for 12 hours or more. This allows bad cells in the battery to discharge so you can find out which cells you need to replace to repair the battery.

Remove the Sears portable
AEG BBM 18 STX tool battery
cover. There are six or eight Phillips screws holding the cover in place, so use a Phillips screwdriver to remove them and then lift off the cover from the main battery compartment. You can now get to the cells to test the voltage of each cell.

Use a multimeter and set it to measure volts. Place the metal tips on the ends of the two wires from the meter onto a battery cell. The metal tip on the end of the red wire touches the positive cell terminal and the metal tip on the end of the black wire touches the negative cell terminal. The raised round knob on top of the cell is positive and the flat plate on the base of the cell is negative.

Read the voltmeter. A good battery cell measures 1.2 volts. If the reading is below 1.1 volts, consider the cell bad and replace it. Put a mark on the cell using a pen so you can identify it. Test each cell, systematically marking bad cells.

Remove bad cells from the Sears portable link=http://www.battery-company.com.au/power-tool-battery-model.php/bosch_2+607+335+031_6_285.htm]Bosch 2 607 335 031 battery pack. If the cells are clipped in place, simply pry each cell out using a screwdriver. If they're wired in place using metal tabs, you need to use a soldering iron.

Heat the soldering iron, then place the tip on the cell's metal tab. Remove the soldering iron immediately after the solder melts and quickly lift the wired metal tab off the cell using a pair of long-nosed pliers. Repeat the process to remove all the bad cells. Turn off the soldering iron.

Purchase as many new cells as necessary from an electrical or hobby store. They are inexpensive and widely available. Take a bad cell to the store so you get an exact replacement.

Put the replacement cells into the
Makita 9120 battery
compartment. Push them into place using your fingers so they connect on the terminals, if the cells clip in place. If the cells are wired then heat a soldering iron.

Put a cell into position and place the metal tab onto the terminal. Place the end of the soldering iron onto the metal tab and then introduce a small amount of solder. Let it melt then remove the soldering iron and allow the connection to cool. Repeat the process on each cell terminal. Turn off the soldering iron.

Replace the
Ryobi 1311166 tool battery
cover on the battery compartment. Fix it in place using the Phillips screws and a screwdriver.

Charge your battery for half an hour. This equalizes the charge in the Sears portable tool battery pack. Use your repaired battery pack as usual.

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Sears Craftsman Knotted Wire Wheel Brush 6 in Diameter Fits 1 2 5 8 964817
Sears Craftsman Knotted Wire Wheel Brush 6 in Diameter Fits 1 2 5 8 964817
$9.50
SEARS CRAFTSMAN 4 Jaw Chuck 101 21590 Made in England 5479 used refurbished
SEARS CRAFTSMAN 4 Jaw Chuck 101 21590 Made in England 5479 used refurbished
$95.00
Craftsman Sears 109 6 Metal Lathe 32 Tooth Change Gear Atlas 3235 10920630
Craftsman Sears 109 6 Metal Lathe 32 Tooth Change Gear Atlas 3235 10920630
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Craftsman Sears 109 6 Metal Lathe Tailstock Spindle Screw 10920630 Tail Stock
Craftsman Sears 109 6 Metal Lathe Tailstock Spindle Screw 10920630 Tail Stock
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Craftsman Sears 109 6 Metal Lathe Tailstock Base with 2 Screws 10920630
Craftsman Sears 109 6 Metal Lathe Tailstock Base with 2 Screws 10920630
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Original Craftsman Sears 109 6 Metal Lathe Spindle Collar  Screws 10920630
Original Craftsman Sears 109 6 Metal Lathe Spindle Collar Screws 10920630
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Craftsman Sears 10920630 6 Metal Lathe Headstock Gear Cover w Threading Chart
Craftsman Sears 10920630 6 Metal Lathe Headstock Gear Cover w Threading Chart
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Sears Craftsman Router Bit Sharpener Attachment 9 6650 with Mandrel Assembly
Sears Craftsman Router Bit Sharpener Attachment 9 6650 with Mandrel Assembly
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Craftsman Sears 109 10920630 6 LEAD SCREW SUPPORT END BEARING A 3541
Craftsman Sears 109 10920630 6 LEAD SCREW SUPPORT END BEARING A 3541
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Rechargeable Cordless Soldering Iron Sears Craftsman 15 watts
Rechargeable Cordless Soldering Iron Sears Craftsman 15 watts
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Craftsman Sears 109 10920630 6 RIGHT AND LEFT FRONT CARRIAGE GIBB A 3444 3443
Craftsman Sears 109 10920630 6 RIGHT AND LEFT FRONT CARRIAGE GIBB A 3444 3443
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Craftsman Sears 109 10920630 6 LEAD SCREW BOLT
Craftsman Sears 109 10920630 6 LEAD SCREW BOLT
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Craftsman Sears 109 10920630 6 LEAD SCREW CLIP
Craftsman Sears 109 10920630 6 LEAD SCREW CLIP
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Craftsman Sears 109 10920630 6 SWIVEL T BOLT
Craftsman Sears 109 10920630 6 SWIVEL T BOLT
$24.99
CHANGE GEAR RACK for 6 x 18 ATLAS 618 METAL LATHE SEARS CRAFTSMAN 101 or 109
CHANGE GEAR RACK for 6 x 18 ATLAS 618 METAL LATHE SEARS CRAFTSMAN 101 or 109
$29.95
Craftsman Sears 109 10920630 6 CHANGE GEAR SPIDER B 3207
Craftsman Sears 109 10920630 6 CHANGE GEAR SPIDER B 3207
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Sears Craftsman No Center Hole Aluminum Oxide Sanding Disc 9 IN Diameter
Sears Craftsman No Center Hole Aluminum Oxide Sanding Disc 9 IN Diameter
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Sears Craftsman WORKING VINTAGE 10 Radial Arm Saw Model
Sears Craftsman WORKING VINTAGE 10 Radial Arm Saw Model
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Sears Craftsman Japan Magnetic Base Indicator Holder Model No 9 38908
Sears Craftsman Japan Magnetic Base Indicator Holder Model No 9 38908
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Vintage Sears Magnetic Dial Indicator  Flexible Stand 38912 +NIB Dial Indicator
Vintage Sears Magnetic Dial Indicator Flexible Stand 38912 +NIB Dial Indicator
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Sears Craftsman 3 piece Machinists Micrometer and Caliper Tool Kit
Sears Craftsman 3 piece Machinists Micrometer and Caliper Tool Kit
$88.98
Sears Craftsman 6 Metal Lathe 10121200 Operation and Parts List Manual 602
Sears Craftsman 6 Metal Lathe 10121200 Operation and Parts List Manual 602
$15.00
1950s Sears Craftsman Belt Sander Model 2072230 3 Inch Complete Tool Box
1950s Sears Craftsman Belt Sander Model 2072230 3 Inch Complete Tool Box
$69.99
New Sears Craftsman 7 x 1 4 Aluminum Oxide Grinding Wheel For Metal Working
New Sears Craftsman 7 x 1 4 Aluminum Oxide Grinding Wheel For Metal Working
$9.97
New Atlas Craftsman Sears Name Plate Label 1 3 16 H 5 3 4 Long
New Atlas Craftsman Sears Name Plate Label 1 3 16 H 5 3 4 Long
$16.93
Sears Craftsman Commercial 0 1 Micrometer N
Sears Craftsman Commercial 0 1 Micrometer N
$9.95
LS Starrett No 2 Micrometer From 12 Sears Craftsman Metal Lathe 10107403
LS Starrett No 2 Micrometer From 12 Sears Craftsman Metal Lathe 10107403
$17.99
Cast Iron Inner Guard L5 152 From 12 Sears Craftsman Metal Lathe 10107403
Cast Iron Inner Guard L5 152 From 12 Sears Craftsman Metal Lathe 10107403
$17.99
Sears Craftsman Model 927959 Edge Guide  Circle Cutting Attachment
Sears Craftsman Model 927959 Edge Guide Circle Cutting Attachment
$9.00
Sears Craftsman Bench Vise 51871 5 1 2 Jaws 40
Sears Craftsman Bench Vise 51871 5 1 2 Jaws 40
$49.99
Vintage 1989 Sears Craftsman Wire Wheel Brush 8 Coarse Heavy Duty Wide Face
Vintage 1989 Sears Craftsman Wire Wheel Brush 8 Coarse Heavy Duty Wide Face
$19.99
Vintage Sears Craftsman Dual Heat Solder Gun Model No 113540 460
Vintage Sears Craftsman Dual Heat Solder Gun Model No 113540 460
$10.00
WALL CHART for 6 x 18 ATLAS 618 METAL LATHE SEARS CRAFTSMAN 101 16 Speed
WALL CHART for 6 x 18 ATLAS 618 METAL LATHE SEARS CRAFTSMAN 101 16 Speed
$15.00
Rockwell Pedestal Grinder with Sears Craftsman Grinder
Rockwell Pedestal Grinder with Sears Craftsman Grinder
$699.99
SET OF 4 Sears Craftsman Telescoping Gages 40203 AA A C  B IN ORIGINAL POUCH
SET OF 4 Sears Craftsman Telescoping Gages 40203 AA A C B IN ORIGINAL POUCH
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Sears Craftsman 109 6 Lathe 56 Tooth Change Gear A 3251 1 2 Bore
Sears Craftsman 109 6 Lathe 56 Tooth Change Gear A 3251 1 2 Bore
$12.50
Sears Craftsman 109 6 Lathe 32 Tooth Change Gear A 3235 1 2 Bore
Sears Craftsman 109 6 Lathe 32 Tooth Change Gear A 3235 1 2 Bore
$12.50
Vintage SEARS CRAFTSMAN Drill Chuck 92980 5 64 to 1 2  1 2 20 Thread
Vintage SEARS CRAFTSMAN Drill Chuck 92980 5 64 to 1 2 1 2 20 Thread
$22.96
54282 VINTAGE SEARS CRAFTSMAN WELDING TORCH PROPANE MAPP gas  OXYGEN
54282 VINTAGE SEARS CRAFTSMAN WELDING TORCH PROPANE MAPP gas OXYGEN
$12.50

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