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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Vintage Sears Craftsman 57225141 Benchtop Metal Mini Lathe Hobby 115V
Vintage Sears Craftsman 57225141 Benchtop Metal Mini Lathe Hobby 115V
$56.00
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Lot of 60 Sears Craftsman 7 x 7 8 Aluminum Oxide Abrasive discs fine med coars
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Sears Craftsman Vintage Router Bit NIB 1 8 Straight Bit 9 2552 1 4 Shank
Sears Craftsman Vintage Router Bit NIB 1 8 Straight Bit 9 2552 1 4 Shank
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Vintage Sears Craftsman 2980 Drill Chuck Capacity 5 64 to 1 2 With Box
Vintage Sears Craftsman 2980 Drill Chuck Capacity 5 64 to 1 2 With Box
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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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10 Sears Craftsman Mig Welding Gun Torch Stinger Parts Welder 20511 20559
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Sears Craftsman Atlas 6 Metal Lathe original Changing Gear Spider B 3207
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Vintage Sears Craftsman Oxygen Torch Solders Braces Cutting Stand Only
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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
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SEARS CRAFTSMAN 12 VERTICAL TILTING ELECTRONIC BAND SAW
SEARS CRAFTSMAN 12 VERTICAL TILTING ELECTRONIC BAND SAW
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Sears Craftsman Micrometer 0 1 64ths
Sears Craftsman Micrometer 0 1 64ths
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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
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Three Grinding Wheels 6 x3 4x1 2 Vitrified Aluminum Oxide Sears Craftsman
Three Grinding Wheels 6 x3 4x1 2 Vitrified Aluminum Oxide Sears Craftsman
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Sears Craftsman HANDBOOK of TAPS DIES THREADING ACCESSORIES 1979 30pages
Sears Craftsman HANDBOOK of TAPS DIES THREADING ACCESSORIES 1979 30pages
$5.00
Vintage Antique Sears Roebuck Craftsman Wizard Power Band saw Hacksaw Tool  3
Vintage Antique Sears Roebuck Craftsman Wizard Power Band saw Hacksaw Tool 3
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Vintage Antique Sears Roebuck Craftsman Power Band saw Hacksaw 1081501 Tool
Vintage Antique Sears Roebuck Craftsman Power Band saw Hacksaw 1081501 Tool
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CRAFTSMAN 4 Piece WIGGLER Center Finder Set PN 4004 MACHINIST TOOL SET Sears NR
CRAFTSMAN 4 Piece WIGGLER Center Finder Set PN 4004 MACHINIST TOOL SET Sears NR
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Vintage Sears Craftsman 2980 Drill Chuck Capacity 5 64 to 1 2
Vintage Sears Craftsman 2980 Drill Chuck Capacity 5 64 to 1 2
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Sears Craftsman Metal Machinist Tool chest Box
Sears Craftsman Metal Machinist Tool chest Box
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New Atlas Craftsman Sears Lathe Spindle Speed Chart Label Name Plate
New Atlas Craftsman Sears Lathe Spindle Speed Chart Label Name Plate
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Vintage Sears Craftsman  2980 Drill Chuck Capacity 5 64 1 2 w Key New in Box
Vintage Sears Craftsman 2980 Drill Chuck Capacity 5 64 1 2 w Key New in Box
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Sears Craftsman Protractor 3984
Sears Craftsman Protractor 3984
$7.99
28  2 Lead Screw 35 Dia 16TPI From Sears Craftsman 6 Metal Lathe 109 0701
28 2 Lead Screw 35 Dia 16TPI From Sears Craftsman 6 Metal Lathe 109 0701
$19.99
Heavy Steel or Cast Iron Headstock Body Sears Craftsman 6 Metal Lathe 109 0701
Heavy Steel or Cast Iron Headstock Body Sears Craftsman 6 Metal Lathe 109 0701
$19.99
Tailstock Assembly 3304 0 MT From Sears Craftsman 6 Metal Lathe 109 0701
Tailstock Assembly 3304 0 MT From Sears Craftsman 6 Metal Lathe 109 0701
$39.99
3 Step Headstock Pulley 1 2 Bore From Sears Craftsman 6 Metal Lathe 109 0701
3 Step Headstock Pulley 1 2 Bore From Sears Craftsman 6 Metal Lathe 109 0701
$16.99
Craftsman 1 2 Capacity Drill Chuck and Key Threaded
Craftsman 1 2 Capacity Drill Chuck and Key Threaded
$10.95
4 Steel Face Plate 1 2 Bore 20TP From Sears Craftsman 6 Metal Lathe 109 0701
4 Steel Face Plate 1 2 Bore 20TP From Sears Craftsman 6 Metal Lathe 109 0701
$12.99
3 Lathe Dog  281 From Sears Craftsman 6 Metal Lathe 109 0701 Nice Shape
3 Lathe Dog 281 From Sears Craftsman 6 Metal Lathe 109 0701 Nice Shape
$12.99
Armstrong Lathe Dog Clamping System Sears Craftsman 6 Metal Lathe 109 0701
Armstrong Lathe Dog Clamping System Sears Craftsman 6 Metal Lathe 109 0701
$22.99
Compound Rest Base 221 X From Sears Craftsman 6 Metal Lathe 109 0701
Compound Rest Base 221 X From Sears Craftsman 6 Metal Lathe 109 0701
$26.99
Lead Screw Handle Ball  Crank From Sears Craftsman 6 Metal Lathe 109 0701
Lead Screw Handle Ball Crank From Sears Craftsman 6 Metal Lathe 109 0701
$9.99
Model or Name Plate 3 4 X 1 3 4 From Sears Craftsman 6 Metal Lathe 109 0701
Model or Name Plate 3 4 X 1 3 4 From Sears Craftsman 6 Metal Lathe 109 0701
$9.99
Armstrong Tool Holders 1010L  R From Sears Craftsman 6 Metal Lathe 109 0701
Armstrong Tool Holders 1010L R From Sears Craftsman 6 Metal Lathe 109 0701
$19.99
2 Long 0 Morse Taper Dead Center For Sears Craftsman 6 Metal Lathe 109 0701
2 Long 0 Morse Taper Dead Center For Sears Craftsman 6 Metal Lathe 109 0701
$9.99
Sears Craftsman 12 Metal Lathe Parts List 10127430  10127440 Manual 1058
Sears Craftsman 12 Metal Lathe Parts List 10127430 10127440 Manual 1058
$15.00
Compound Tool Rest Assembly From Sears Craftsman 6 Metal Lathe 109 0701
Compound Tool Rest Assembly From Sears Craftsman 6 Metal Lathe 109 0701
$25.99
Small 1 5 8 Tool Post Assembly From Sears Craftsman 6 Metal Lathe 109 0701
Small 1 5 8 Tool Post Assembly From Sears Craftsman 6 Metal Lathe 109 0701
$15.99
Sears Craftsman 12 Metal Lathe 10107403 10127430 10127440 Parts List 1059
Sears Craftsman 12 Metal Lathe 10107403 10127430 10127440 Parts List 1059
$15.00

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