Good battery tester for DIY mechanics Top Don BT-200

Thanks @The Car Care Nut I went ahead and bought one of these through your store, hope it helps! Also wondering if you might have any guidance on a good DIY charger for these newer AGM batteries? This is for my wife's 2019 Acura RDX and the manual cautions you to get the correct battery charger as well or can cause damage to these batteries?

Why is my brand new 2 week old battery showing health 81% and 100% charged while using this tester I just received?

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Hi Mr. AMD, how can I test my 12V battery for my 2018 Camry Hybrid LE? Also kindly make a video on how to check the big Hybrid battery as well. Thanks 🙏

I don't know how reliable this device is but when you perform a loaded vs unloaded alternator test, the device is measuring the DC voltage across the battery, however in the test at no point did you add a load such as turning on the high beams or turning on the heater blower to max setting. Simply increasing the engine speed to 2,000-2,500 rpm isn't a load, in fact that's considered as the unloaded test. This device is comparing idle DC voltage vs high engine speed DC voltage. It needs to compared high engine speed DC voltage to high engine speed plus load DC voltage to accurately compare those values. Second issue is the device is measuring the AC voltage across the battery as opposed to the alternator for the ripple test. Measuring ac voltage is very finicky and if you're not measuring it off the alternator, I don't know how accurate that it.

I just bought one of these as I was having some issues with my headlights dimming and wanted to get an idea if it was battery or alternator related. It's a decent bit of kit for the price, I think the 300 model is pretty much the same but with a printer if anyone needs that option but for me this is fine as I'm just using it for home use maintenance and don't need to show rests to anyone else. As said elsewhere you can always take a picture of the screen on your phone and print that if necessary.

I just bought one of these as I was having some issues with my headlights dimming and wanted to get an idea if it was battery or alternator related. It's a decent bit of kit for the price, I think the 300 model is pretty much the same but with a printer if anyone needs that option but for me this is fine as I'm just using it for home use maintenance and don't need to show rests to anyone else. As said elsewhere you can always take a picture of the screen on your phone and print that if necessary.

I just bought one of these as I was having some issues with my headlights dimming and wanted to get an idea if it was battery or alternator related. It's a decent bit of kit for the price, I think the 300 model is pretty much the same but with a printer if anyone needs that option but for me this is fine as I'm just using it for home use maintenance and don't need to show rests to anyone else. As said elsewhere you can always take a picture of the screen on your phone and print that if necessary.

The code 2PXNQKIY doesn't work. No sale today.

Awesome 👏

you are a tool in your HSA, ask the box.

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Ok my Topdon BT100 on the charging test shows NO-OUTPUT and about 9.4V with a brand new charged battery. Battery test passes at 700 CCA. Any ideas? The booklet does not show this reading NO-OUTPUT

Great device , price is a bit too much

1) it doesn't load test
2) it doesn't have an Amp Hour unit (for deep cycle batteries)
It doesn't appear to really be a useful diagnostic tool for the condition of marine batteries.
Someone pls correct me if I'm wrong.

Topdon paid a few dozen channels to feature their product. Too bad it's not that great.

Awesome review! Hve you ever tested / reviewed the FOXWELL BT705 Battery Analyzer? Would be nice to see you review that product, since your reviews are very informative, Thanks and God Bless!

I appreciate the honest review which I expected as your not the BS type. 👍

And you want to tell us:
- that you have a "CCA 603" (what doesn't exist anywhere in the world)?
- that the "603 A" battery delivers 1,035 A?
- that the readable "Healthy 100 %" are "no State of Health/SoC"?
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I picked up one of these last week. Very easy to use. My only complaint is the clamps are way too small for a good connection, for some batteries. Note: one of your clamps popped off during your reverse polarity hookup for that very reason.

🌺🌷🌵🌴🎁🌹🌲🕊Your method of explanation is easy and the person understands it quickly, with a focus on explaining the content, as much as you wish to explain the device foxwall gt 75 ts bi dirrectional scon tool with ecu cooding tpms relearn program 31+sevices all system car diagnostic scanner Please and I wish you would upload a video about this device and explain the method clearly. I am from the Kingdom of Saudi Arabia. I listen to you and explain it, which is understood very quickly and smoothly🤟🤘🤙🤞✌👍🤚

It’s not consistent with result tried it on new battery it’s says replace battery

I always assumed a Tradesman would take really good care of their equipment especially as their livelihood depends on their tools. why treat them bad and have to continuously buy replacements.

My battery came back at 67% Health and 69% Charge. Its 2 years old. Is it time to replace the battery?

There is a Top Don BT300 that dose have the printer option.

Hello Ahmed, I know you did this review a long time ago and I'm not even sure you watch the comments on this video or not but I will ask a question anyway. Does it make any difference whether you check the battery directly or not. My Jeep's battery is under the passenger seat and has posts under the hood for jump starting, can I use those posts instead of connecting the tester directly to the battery posts? The tester is showing the battery internal resistance at 6.5 ohms so I would think that it is also reading the resistance of the cables from the battery to the remote posts too. What do you think? Thanks

With these type of testers you have to make sure you have a really good clean connection so clip it on and rotate the clip a bit so it bites though and corrosion and into clean metal or you will not get a accurate reading.

I've got one of these BT-200s and use it muliple times a week, and sometimes multiple times a day when reconditioning batteries. It's a nice tester and seems to be fairly accurate.

I agree with your assesment 100%, especially on the cables. I just always take extra care with them and hang them on a handle of my tool cart when not in use. Not hanging it by the clamps but by dropping the meter between the handle and the cart to about halfway up the cables then let the clamp side fall to the outside of the cart handle. it slides in place better than the clamp side does and when removing, the meter doesn't hang up on the handle like the clamps would.

The lack of printing capability is a pain but has been taken care of by using my phone to take a picture of the screen and printing that if needed.


So far, using it in conjunction with a NOCO G3500, I'm batting about .750 with reconditioning batteries. The best case was a 3 year old Toyota battery that initially tested consistantly at 12% health. 4 rounds of the "Repair" cycle and three weeks later, it tested at 99%, and after sitting/resting for another 4 weeks, it still tested 99% health with a 98% charge. (I don't follow NOCO's Instructions to do this. There is a "Way", and it doesn't work quite as well with the newer NOCO chargers that are limited to 4 hours in the conditioning cycle.)

I get to do this for people quite often and, most times we win and sometimes we don't. Some batteries are just too sulfated to do anything with, or internally shorted and get really hot fairly early in the game. But the majority come through great and get put back into service with no problems.

Having the BT-200 has really helped me improve my process and is also super handy for checking our personal vehicles battery and charging systems. I highly recommend it for DIY folks.

Thanks for the video and the review. it was great!

Very good video , yes being able to to test battery,alternator and starter were always the items I used to have to guess at when replacing , sometimes spending money not needed .

This did tell the battery health. It's the percentage.

Good review

Good day, can I use a battery charger to charge my 12v battery from the jump start point in my fuse box area? My car is a 2016 Prius hybrid

Are you real sure this instrument doesnt give the battery health in percentage, I went to your Amazon link and watched the video several times and then paused on the first part and yes "Replace" was at the top, but on down was a Label "Healthy" with a % value out from it.

You don't need to know if it shows you BAD, GOOD, RECHARGE or REPLACE that simply is for amateurs. The most important thing is the internal resistance which tells you everything about the condition of the battery's plates and electrolyte. These types of conductive testers use internal resistance to calculate the State of Health(SOH) of the battery this is why it is smart enough to distinguish a good battery even if the battery is discharged.

I love your channel and have a battery question. My 2022 Corolla Cross with 345 miles on it wouldn't sit for a week without the battery going completely dead. The dealer towed it and said the battery had a dead/bad cell that was draining the charge. Hmmm? Does this sound possible? Is there no quality control in the battery industry or just bad luck on my part? Thanks so much.

I have a 2013 Camry hybrid and the 12v battery is original. It is rated at 355 CCA, mine is testing at 200CCA. I’m looking for a replacement but not finding any so far except from the Toyota dealer, for $291. Two questions, should it be preferably be an AGM? Also, with whatever I find, does this battery have to be “diagnostically registered” to the car or can I just make the swap?

I really like your video, But you didn't tell your viewers that CCA stands for cold cranking amps. I don't think the average DIY knows what that means. I would think you would explain everything in detail since the company ask you to review their product.

I have one and it does tell you healthy 35% 220A for example. You just scroll down to review data after the test.

Thank you so much for this video. I have the romondes branding of this same model and have watched several "review" videos that I considered worthless. I really appreciate your going the extra mile and now feel like I have some reasonable expectations with which to use this tool. I'm a home diy'er and think this will do what I need it to. Thanks again for sharing.

If the battery is dying it will give you a health determination in a percentage. I tested a battery that was still working but on its way out, It showed the health as 49% but indicated that it needed to be replaced. I also tested a good battery that wasn't 100% and the tester indicated 55% healthy, so it isn't all or nothing.

Great videos. I just purchased the XTOOL D8 Scanner due to your review and just ordered this BT200. I’m just a DIY’er. Thank you for sharing your knowledge.

Do you perform the same tests on a rav4 hybrid or any other Lexus /Toyota hybrid?

My TopDon 200 told me the original battery on my 2019 Highlander was healthy after it required a jump start earlier in the day. The next day, my Toyota dealer replaced the battery under warranty, after charging the old battery, doing a "load" test on it, and finding the battery was no good. Is there a battery load test that the dealer does that TopDon does not do, that would have told me that the battery was "bad"?

you said in your "Pros and Cons" that it didn't give % to give an accurate condition of the battery, yet you showed us earlier in the video that it di give us % of battery health.. ????

Great video. But this tester has no option for AGM spiral so I won't be able to test optima batteries. It has no options for in/out of vehicle.
Previous versions such as Topdon 100 and 101 do have such options.
Why Topdon kind went backwards?
I wonder

Says code no longer works

Car Care Nut---Were you paid to do this review?