The battery in my MB was the original Bosch so 20 years old when I replaced it.
Pros: 20 years old
Vehicle:
Mercedes
Reviews of Bosch battery
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224 votes
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(for general reference Lion are one of the worst battery brands out there. Exide are OK but that's far too expensive. Bosch and Varta are generally the exact same product with different stickers on and are always good, and rarely all that expensive.
Pros: good, rarely expensive
Cons: far too expensive
I went to a Škoda dealer to look at a car to buy. The car was a Rapid 1.4 SE DSG which was advertised at £8995. The car was stored remotely from the dealer, basically in a field. The battery was completely flat.
Cons: flat battery
Vehicle:
Skoda Rapid
I will second a class 3 Bosch. I have one in a hilly city that absolutely rocks the steeps and has a great battery life. Going on 2 years strong and I've had zero battery issues. It rains a lot here but no problems with the Shimano drivetrain either, just regular maintenance.
Pros: great battery life, rocks the steeps
Cons: regular maintenance
The Bosch has slightly lower Cold Cranking Amps at 330 vs the Yuasa at 360. Also Bosch has 4 yr warranty vs Yuasa 5yr.
Pros: 4 year warranty
Cons: lower Cold Cranking Amps
A few hours later he came back with a new S4 018 Bosch battery (original one was Yuasa HSB056). He assured me it had the same specs, despite being a different brand (40Ah, 12V). He installed it, and then told me it was a “slightly different base size” from the old one.
Pros: same specs, new battery
Cons: different base size
Part number: S4 018
I have a Cube Stereo Hybrid pro (insert numbers here)
Priced about 3.5k retail, it's an absolute dream to ride. Quiet, huge battery (bosch power tube 800)
Pros: quiet, huge battery
I bought a brand new Bosch battery last year ( not Halfords)and when I checked the voltage it was less than 10 volts so there are dud batteries out there.
Pros: brand new battery
Cons: less than 10 volts
After 7 sets of battery drains, I installed a new set and left it on a shelf untouched for a week. Turned on and dead. Made a warranty claim with Bosch to which their lazy troubleshooting reply:
Let me start by apologizing on behalf of BOSCH for any inconvenience this has caused you. I performed a complete inspection: I 1st charged up your lithium battery. I then calibrated & tested unit with both alkaline & lithium batteries: PASSED. I know it’s an inconvience. But: Leaving any batteries in unit when not in use: ( Unit will drain all battery types )—( Unit self discharges batteries when not in use ) --That is why Bosch put in manual tom remove batteries. PG# 21—Attached – ( they actually don’t say how long the “ extended period is “) That way it is not considerd a factory defect. Other than that: unit is operating to all Manufacurers Specification & Tolerances. Best regards,
-Well I'm never buying another Bosch product again with customer service like that. Pissed that I bought this expensive paperweight. What product in today's world drains batteries when not in use? Clearly flawed engineering they are hiding and do not value the end users. A recall is in order.
Cons: drains batteries when not in use
Why on earth would you pay $600 for battery + terminal. I bought recently a BOSCH AGM for $235 and installed it for free by myself after watching a tutorial on youtube.
Pros: AGM battery, easy install
Cons: expensive dealership price
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What we know about Bosch battery
The brand is registered in Germany.
In March 2026, PartReview users have a mixed opinion of Bosch battery.
PR Score — 70 out of 100, based on 70 reviews and 224 votes. 43 positive reviews, 14 neutral reviews, 13 negative reviews. Average rating — 3.6 (out of 5). Vote balance: 157 up, 67 down.
In the ranking of the best battery this part is at position 8, behind ODYSSEY and OEM BMW , but ahead of Duralast and OEM Toyota.
Users also evaluated the qualities of Bosch battery:
- Cranking - starter turns slowly, especially when cold - rated ambivalently. 3.2 points out of 5.
- Lights - headlights and interior lights are dim - rated ambivalently. 2.5 points out of 5.
- Indicator - battery warning or built-in indicator shows low charge - rated ambivalently. 2.7 points out of 5.
Battery Bosch in car-specific ratings
See which car brands and models owners choose Bosch battery for. Below are car-specific ratings where this part is in the Top-3:
- Bosch ranked #1 in battery ratings for: Volkswagen Golf, Audi A4, Ford Fiesta, Volkswagen Beetle .
- Bosch ranked #2 for: Ford Mustang, Volkswagen Corrado .
Battery Bosch in comparisons
There are 27 comparisons of Bosch battery with other manufacturers on PartReview.
In particular, see which battery are better: Bosch or OEM Audi, OEM Chevrolet or Bosch, Bosch or OEM Hyundai, Bosch or OEM Mercedes, Bosch or Duralast .