Can this product be used on a deep charge golf-cart battery?

It can only be used to detect the car battery, not to charge the battery. Our BM550 battery tester can test all 6v 12v 24v 100-2000 CCA car batteries.

Will this tester accurately measure internal resistance in a 12V deep cycle lawnmower battery?

It measures 6v 12v and 24v system batteries. It does read internal resistance but I’m not sure how accurate that particular measurement is because I have never compared this other battery testers.

How do i know if my car battery test result soh, soc, and cca numbers are good or not?

Not sure about social or soh. Cca is one of two prompted questions. If you are not sure of target cca, you might need to look up you battery model and confirm. Once you input cca, the meter goes through a test cycle and gives you actual cca. It decides good or bad based on the cca you input.

Will it give the remaining ah amp hours for batteries or just cca?

Reported values are CCA's. Remaining AH isn't part of the output. You could, roughly, determine the remaining AH through the SOC (State of Charge). For sake of example, if the battery is a 10AH battery, and the SOC = 80%, then you have, roughly, 8AH "left" in the battery. That's not exactly the best way to derive that but it's a ballpark. The element that isn't taken into account is why the battery SOC is where it's at (e.g. age, degradation, discharge due to parasitic draw, etc.). Depending on the combination of those factors will determine what the actual AH capacity is, at that SOH and SOC.

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🔧 Power up your ride with precision — never get stranded again!

RAPID CLEAR RESULTS - 1.8-inch HD display delivers quick, accurate readings to keep you ahead of battery failures.
EFFORTLESS PLUG PLAY DESIGN - Connect clips correctly and start testing immediately—no tech expertise required.
UNIVERSAL VOLTAGE COMPATIBILITY - Seamlessly tests 6V, 12V, and 24V batteries across all vehicle types.
BUILT IN REVERSE POLARITY PROTECTION - Safeguards your device and battery by preventing damage from incorrect clip connections.
COMPREHENSIVE BATTERY HEALTH METRICS - Instantly reveals SOH, SOC, internal resistance, and voltage for total battery insight.

The KINGBOLEN BM550 is a professional-grade digital battery tester designed for 6V, 12V, and 24V batteries ranging from 2Ah to 220Ah. It supports a wide variety of battery types including flooded, AGM, GEL, and EFB, delivering fast, accurate CCA, voltage, internal resistance, and health status readings on a crisp 1.8-inch HD screen. Its user-friendly plug-and-play setup and built-in reverse polarity protection make it an essential tool for car, truck, SUV, ATV, boat, and motorcycle owners who demand reliable battery diagnostics and peace of mind.

Reviews

S**A

Accurate And superb product

Product is accurate superb product most reliable product

13.09.2025

F**L

Best quality

Best battery tester

11.07.2025

E**A

Good

The media could not be loaded. The product is good

16.12.2024

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€ 61.17

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Netherlandswinkel

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TrustScore 4,5 | 7.300+ reviews

Fatima A.

Beste internationale verzending die ik ooit heb geprobeerd. Elke cent waard!

3 dagen geleden

Imran F.

Zeer betrouwbare winkel met echte producten. Zal zeker weer kopen!

2 weken geleden

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Brand	KINGBOLEN
Power Source	Battery Powered
Style	Digital,Regular
Colour	Black,Red
Item dimensions L x W x H	12.4 x 7 x 2.3 Centimeters
Min. Operating Voltage	12 Volts
Specification Met	CE
Measurement Type	Voltage Tester
UPC	756029690011
Manufacturer	king
Model number	KBL550
Number of Memory Sticks	1
Item Weight	250 g
Product Dimensions	12.4 x 6.96 x 2.26 cm; 250 g
Item model number	KBL550
Item Height	0.89 Inches
Item Width	2.74 Inches
Included Components	NO
Are batteries included?	No

KINGBOLEN BM550 6V 12V 24V Car Battery Tester, 100-2000 CCA Voltage Tester 2Ah-220Ah Internal Resistance Tester Accurate Digital Auto Battery Analyzer for Cars Trucks SUV ATV Boats Motorcycles Vehicle

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