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 12 PIECE TAP DRILL SET WITH REFERENCE CARD RHETT STIDHAM ESTATE
SEARS CRAFTSMAN 12 PIECE TAP DRILL SET WITH REFERENCE CARD RHETT STIDHAM ESTATE
$31.50
SEARS Craftsman Gas Regulator 31320292 For Welding Torch
SEARS Craftsman Gas Regulator 31320292 For Welding Torch
$14.00
SEARS CRAFTSMAN ROTARY INDEXING TABLE 8 DIAMETER NEW IN BOX
SEARS CRAFTSMAN ROTARY INDEXING TABLE 8 DIAMETER NEW IN BOX
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Welder Arc Sears Craftsman 20 70 Infinite Amp Selection Model  113 201556
Welder Arc Sears Craftsman 20 70 Infinite Amp Selection Model 113 201556
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Sears Craftsman 10 Inch Radial Saw Owners Manual Model No 11323100
Sears Craftsman 10 Inch Radial Saw Owners Manual Model No 11323100
$7.99
Sears Roebuck Craftsman 7 1 4 Circular Saw Owners Manual Model No 135108000
Sears Roebuck Craftsman 7 1 4 Circular Saw Owners Manual Model No 135108000
$7.99
1980 Sears Roebuck Craftsman Router Owners Manual Model No 31517480
1980 Sears Roebuck Craftsman Router Owners Manual Model No 31517480
$7.99
1969 Sears Roebuck Craftsman Dado Sets Owners Manual Model No 720 3264
1969 Sears Roebuck Craftsman Dado Sets Owners Manual Model No 720 3264
$2.99
Sears Roebuck Craftsman Handbook of Circular Saw Blades  Power Tool Accessories
Sears Roebuck Craftsman Handbook of Circular Saw Blades Power Tool Accessories
$4.99
1977 How To Do More with Your Power Router Manual Sears Roebuck Craftsman
1977 How To Do More with Your Power Router Manual Sears Roebuck Craftsman
$4.99
VINTAGE Sears Craftsman 6 pc Auger Bit Set
VINTAGE Sears Craftsman 6 pc Auger Bit Set
$24.50
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
Headstock Assembly From 6 Sears Craftsman Power Tools Metal Lathe 10107300
Headstock Assembly From 6 Sears Craftsman Power Tools Metal Lathe 10107300
$79.99
Model Name Plate Poor condition For 6 Sears Craftsman Metal Lathe 10107300
Model Name Plate Poor condition For 6 Sears Craftsman Metal Lathe 10107300
$7.99
Carriage L9 9 From 6 Sears Craftsman Power Tools Metal Lathe 10107300
Carriage L9 9 From 6 Sears Craftsman Power Tools Metal Lathe 10107300
$69.99
Change Gear Guard M6 28 6 Sears Craftsman Power Tools Metal Lathe 10107300
Change Gear Guard M6 28 6 Sears Craftsman Power Tools Metal Lathe 10107300
$29.99
Change Gear Guard Bracket M6 95 From 6 Sears Craftsman Metal Lathe 10107300
Change Gear Guard Bracket M6 95 From 6 Sears Craftsman Metal Lathe 10107300
$17.99
Split Nut Guide M6 13  Bolts From 6 Sears Craftsman Metal Lathe 10107300
Split Nut Guide M6 13 Bolts From 6 Sears Craftsman Metal Lathe 10107300
$7.99
15 Sears Craftsman Mig Welding Gun Torch Welder 20105 20111 20549 Parts
15 Sears Craftsman Mig Welding Gun Torch Welder 20105 20111 20549 Parts
$169.95
Sears Craftsman Dial Indicator Set Vintage 1980 w case and accessories
Sears Craftsman Dial Indicator Set Vintage 1980 w case and accessories
$35.00
Vintage Kanetsu SEARS CRAFTSMAN Magnetic Base  MB BV Machinist Engineer
Vintage Kanetsu SEARS CRAFTSMAN Magnetic Base MB BV Machinist Engineer
$49.99
Cast Iron Slider Assembly From Sears Craftsman 6 1 8 Jointer Planer 152217060
Cast Iron Slider Assembly From Sears Craftsman 6 1 8 Jointer Planer 152217060
$28.99
Sheet Steel Pulley Guard From Sears Craftsman 6 1 8 Jointer Planer 152217060
Sheet Steel Pulley Guard From Sears Craftsman 6 1 8 Jointer Planer 152217060
$9.99
Carriage Feed Screw Guard M6 37 From 6 Sears Craftsman Metal Lathe 10107300
Carriage Feed Screw Guard M6 37 From 6 Sears Craftsman Metal Lathe 10107300
$9.99
Steel 2 1 2 Drive Pulley From Sears Craftsman 6 1 8 Jointer Planer 152217060
Steel 2 1 2 Drive Pulley From Sears Craftsman 6 1 8 Jointer Planer 152217060
$9.99
Depth Guide  Parts From Sears Craftsman 6 1 8 Jointer Planer 152217060
Depth Guide Parts From Sears Craftsman 6 1 8 Jointer Planer 152217060
$14.99
Handle 12 Long Threaded End Sears Craftsman 6 1 8 Jointer Planer 152217060
Handle 12 Long Threaded End Sears Craftsman 6 1 8 Jointer Planer 152217060
$9.99
OWNERS MANUAL CRAFTSMAN 1 3 HP Block GRINDER MODEL 21135 by Sears RR5
OWNERS MANUAL CRAFTSMAN 1 3 HP Block GRINDER MODEL 21135 by Sears RR5
$15.60
New Atlas Craftsman Sears Lathe Spindle Speed Chart Label Name Plate
New Atlas Craftsman Sears Lathe Spindle Speed Chart Label Name Plate
$23.93
SEARS CRAFTSMAN TOOLS ROUTER BIS KIT PLATE EDGE JOINER KIT 925423
SEARS CRAFTSMAN TOOLS ROUTER BIS KIT PLATE EDGE JOINER KIT 925423
$21.99
Sears Craftsman 1 2 Drill Chuck  2980
Sears Craftsman 1 2 Drill Chuck 2980
$19.99
Carriage and Cross Slide for Sears Craftsman Dunlap AA 1090703 metal lathe
Carriage and Cross Slide for Sears Craftsman Dunlap AA 1090703 metal lathe
$19.00
VINTAGE 12 SEARS CRAFTSMAN TOOLS BRASS OXY ACETYLENE TORCH MODEL 31354401
VINTAGE 12 SEARS CRAFTSMAN TOOLS BRASS OXY ACETYLENE TORCH MODEL 31354401
$16.99
Vintage 1950s Sears Craftsman 14 x 28 Deluxe Power Machine Tool Base AWESOME
Vintage 1950s Sears Craftsman 14 x 28 Deluxe Power Machine Tool Base AWESOME
$80.00
Vintage 1950s Sears Craftsman 16 x 30 Deluxe Power Machine Tool Base AWESOME
Vintage 1950s Sears Craftsman 16 x 30 Deluxe Power Machine Tool Base AWESOME
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Sears Craftsman Router Bit Sharpener Attachment Set 966501
Sears Craftsman Router Bit Sharpener Attachment Set 966501
$6.00
SEARS CRAFTSMAN 10 RADIAL ARM SAW 25HP W STAND GOOD CONDITION
SEARS CRAFTSMAN 10 RADIAL ARM SAW 25HP W STAND GOOD CONDITION
$350.00
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 Depth Micrometer USA 0 6
Sears Craftsman Depth Micrometer USA 0 6
$60.00

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