Sealey Battery & Alternator Tester 12V LCD Screen AK500

Sealey Battery & Alternator Tester 12V LCD Screen AK500

Marsoni

M251S

$22.48

Get it in 3 business days with 1 day shipping. Friday, May 29

Sealey Battery & Alternator Tester 12V LCD Screen AK500LCD Display verifies the condition of battery and alternator output. Suitable for 12V DC systems and connects to vehicle via the vehicle accessory power socket. Fitted with 250mm cable and powered by connection to vehicle. Specifications Detail LCD Display verifies the condition of battery and alternator output. Detail Suitable for 12V DC systems and connects to vehicle via the vehicle accessory power socket. Detail Fitted with 250mm cable and powered

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Didn't really believe the hype. Did a little research and watched Project Farm and decided to try. Im not a snake oil guy....but I will say my 2013 common rail TDI is quieter and I get a tad more fuel mileage. Does it pay for itself? Well, it does get better mpg, but I feel the reduction in noise most likely relates to less wear and tear and thats good enough for me. Im only using 1oz per fill up (about 14 gallons) so it lasts a very long time. I get 40mpg and im not light footed.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 2, 2026

Verified Purchase

James Jay

Boise, US

★★★★★ 5

It's a spark plug

What i needwd

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 27, 2026

Verified Purchase

Grantham, US