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 Commercial 0 1 Micrometer N
Sears Craftsman Commercial 0 1 Micrometer N
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Vintage Fixed Base Sears Craftsman Router 31517381 collet chuck size
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Rockwell Pedestal Grinder with Sears Craftsman Grinder
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Steel Pulley Assorted Parts from 12 Sears Craftsman Metal Lathe 10107403
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2 Morse Taper Drill Bits 1 National 1 CleForge for 12 Sears Craftsman Lathe
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Sears Craftsman 113234630 2HP 10 Compound Miter Saw LOCAL PICKUP ONLY
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SET OF 4 Sears Craftsman Telescoping Gages 40203 AA A C B IN ORIGINAL POUCH
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Sears Craftsman Commercial Router Model 31517380
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ORIGINAL SEARS CRAFTSMAN DUAL RANGE 30 295 AMP WELDER Great Condition
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Sears Craftsman 6Jointer 113206801 113206932 Operating Parts Manual 1122
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Sears Craftsman Drill Press 11321371 113213710 Operation Parts Manual 1120
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Sears 149 Craftsman 14923860 Wood Lathe Tail Stock Assembly 273 1
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12 Speed 1 HP Sears Craftsman Floor 15 Drill Press
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Vintage Sears Craftsman Locomotive Belt Sander 6 Amp 115 Volt Model 207 2230
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Vintage Sears Craftsman 3 x 21 Belt Sander 7 Amp 115 Volt Model 315 11720
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Sears Craftsman 12 Wood Lathe 113228000 113228160 Op Parts Manual 1128
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Sears Craftsman 6 Jointer 113206801 113206931 Op Parts List Manual 1122
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Sears Craftsman 4 Jointer 149236220 Owners Parts List Manual 1124
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5 pcs 1 2 x 80 sanding belts 180 grit Fits Sears Craftsman 12 band saw
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4 pcs 1 2 x 62 sanding belts 120 grit Fits Sears Craftsman 10 band saw
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VINTAGE SEARS CRAFTSMAN DIAL INDICATOR SET9 38675 IN ORGINAL BOX
VINTAGE SEARS CRAFTSMAN DIAL INDICATOR SET9 38675 IN ORGINAL BOX
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CRAFTSMAN SEARS 15 1 2 Heavy Duty Drill Press 11324520 Manual 0193
CRAFTSMAN SEARS 15 1 2 Heavy Duty Drill Press 11324520 Manual 0193
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Sears Craftsman Variable Speed 10 Band Saw 24 Amp 1 3HP 113244530 24453
Sears Craftsman Variable Speed 10 Band Saw 24 Amp 1 3HP 113244530 24453
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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
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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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5 lbs Sears Craftsman 351131 OXY ACETYLENE WELDING ROD COPPER COATED 3 32 18
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Sears Craftsman Vintage Arc Mobile Welder Home Shop Series
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Sears Craftsman Metal Lathe Model 10921270 Gear Cover
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NEW UNUSED SEARS CRAFTSMAN 9x1 4 THICK ALUMINUM OXIDE HUBBED GRINDING WHEEL
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NEW UNUSED SEARS CRAFTSMAN 9x1 4 THICK ALUMINUM OXIDE HUBBED GRINDING WHEEL
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Sears 149 Craftsman 14923860 Wood Lathe Tailstock Clamp 273 6
Sears 149 Craftsman 14923860 Wood Lathe Tailstock Clamp 273 6
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New Sears Craftsman 7 x 1 4 Aluminum Oxide Grinding Wheel For Metal Working
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Vintage Sears Craftsman Green Black Welding Goggles Steampunk
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SEARS CRAFTSMAN ROTARY INDEXING TABLE 8 DIAMETER NEW IN BOX
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