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  • Sealey BT102 12V Digital Battery and Alternator Tester
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Sealey BT102 12V Digital Battery and Alternator Tester

by Sealey

RRP: £89.94
Price: £52.50 FREE UK delivery.
You Save: £37.44 (42%)
Only 8 left in stock.
Dispatched from and sold by ONE SAFE SOURCE.
20 new from £52.50
  • With over 34 years experience in the industry Sealey is a ideal choice of the professional. The range is so vast that it covers a wide range of markets and applications.
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Easter DIY Deals Easter DIY Deals

£52.50 FREE UK delivery. Only 8 left in stock. Dispatched from and sold by ONE SAFE SOURCE.

Frequently Bought Together

Sealey BT102 12V Digital Battery and Alternator Tester + CTEK MXS 5.0 Battery Charger with Automatic Temperature Compensation
Price For Both: £114.80

These items are dispatched from and sold by different sellers.

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Product Information

Technical Details
Part Number BT102
Item Weight281 g
Product Dimensions25.8 x 18 x 5.2 cm
Item model numberBT102
Item Package Quantity1
Batteries Included?No
Weight280 Grams
  
Additional Information
ASINB001K4AUNW
Best Sellers Rank 65,393 in DIY & Tools (See top 100)
Shipping Weight340 g
Delivery Destinations:Visit the Delivery Destinations Help page to see where this item can be delivered.
Date First Available11 May 2008
  
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Product Description

Product Description

Sealey compact design digital tester suitable for professional use. Utilises low current draw technology to evaluate condition of SLI, VRLA, AGM and Gel batteries and charging systems. Just key in the battery rating from the top of the battery. Simple, fast and accurate evaluation of battery condition. Results displayed on LED control panel. No internal battery and will test batteries with a residual charge of just 7V. Can also be used to evaluate the condition of the alternator and charging circuitry of the vehicle. Sealey provides 1 year warranty. Sealey tools and equipment are primarily for use in an automotive environment. With over 34 years experience in the industry Sealey is a ideal choice of the professional. The range is so vast that it covers a wide range of markets and applications.

Box Contains

1 x Piece

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Customer Reviews

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Most Helpful Customer Reviews

11 of 13 people found the following review helpful By K. BURTON TOP 500 REVIEWER on 26 April 2014
This Sealey BT102 is one of a newer breed of digital car battery and starting/charging system testers. A primary function of this hand-held device is to conduct a Cold-Cranking Amps ("CCA", in effect the "current" available) battery test, and it does this by measuring the internal conductance of the battery (the inverse of resistance; it's a measure of how much and how quickly that energy can still be delivered by the battery). The value of this kind of test is that it shows the actual CCA capacity still available, taking into account any possible internal battery faults (eg. sulphation, loss of paste, corrosion) which conventional lower-cost battery testing methods such as acid-gravity, drop-tests, and voltage testers do not always do. The result of this very accurate yet quick-to-do CCA test is to give a very good indication of overall battery capacity and health relative to its "as new" condition (ie. the CCA value stated on the label). The test is done by passing a low-current signal through the battery, so unlike the conventional "drop-test" method (which relies on placing a high current load onto the battery), the test can be repeated several times to confirm the results without any need to recharge the battery between tests.

This Sealey BT102 also includes the additional features necessary to test the car's alternator and electrical charging/starting system, which the similar looking, marginally cheaper Sealey BT101 doesn't. The BT102 is suitable for use with 12v batteries between 200-1200 CCA*, standard open/maintenance free and sealed Lead-Acid, AGM and Gel batteries too, and is reverse-polarity protected.
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2 of 2 people found the following review helpful By john eddie on 14 Feb. 2013
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first class bit of kit simple to use and give you the right readings all the time well happy with product
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This seems to work very well for car batteries, which my river boat engine has, but it's not designed to work with leisure batteries, which my yacht has. With no starting handle, and no decompressor, its nice to be able to check that if starting isn't fairly fast, it's something other than the battery's CCA that's at fault. If I'd had this sooner, I'd have saved myself six weeks worry and head scratching through December and January. The Yanmar in the Yacht has a decompressor and a starting handle, so CCA is less important.
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0 of 1 people found the following review helpful By RAMON MITCHELL on 26 Sept. 2014
Verified Purchase
Faulty. Refund given. Display not clear
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