Interested in reviews of OSRAM BATTERYcharge 904? It got 4.3 out of 5 stars from our customers. Find specific customer reviews of OSRAM BATTERYcharge 904 below. We will appreciate if you also share your experiences with OSRAM BATTERYcharge 904 after purchasing.
Verified purchase - review from a price comparison website
Quality
Size
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Jan, Klatovy
Rated 23/01/2026, variant OSRAM BATTERYcharge 904
Verified purchase
So far 4 years of operation without a single fault, I have had the battery in my moto for 5 years and in my car for 8 years, both without any sign of life decline. Of course, I keep the batteries on the charger for any length of time during extended downtime and over the winter. We are talking about Pb, agm and lifepo4.
absolutely reliable and safe
perfect "winter mode", the torch can be kept on all winter
can handle all common battery types including LIPEFO4
I don't know
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Alena, Rosice u Brna
Rated 18/01/2026, variant OSRAM BATTERYcharge 904
Verified purchase
works, simple intuitive operation
light
slightly waterproof
uses normal Phillips head screws if it needs to be opened
really works without a problem even in light frost
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Customer, Bratislava - Nové Mesto
Rated 05/10/2025, variant OSRAM BATTERYcharge 904
Verified purchase
Total junk from OSRAM. The BATTERYcharge 904 died after just a few uses — in 3 years I used it maybe 5–6 times, then a capacitor literally exploded and killed the electronics, LCD went dead. The build quality is a joke: cheapest components from China inside, practically zero lifespan. This is not “German quality,” it’s a disposable product with a big brand logo on the box. Money completely wasted. From a company like OSRAM I expected reliability, but this is a huge disappointment. Never again. If you need a real charger, get a CTEK or Bosch — more expensive, but at least they actually work and don’t blow up.
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Alfred Technologies s.r.o., Praha 8 - Libeň
Rated 11/09/2025, variant OSRAM BATTERYcharge 904
Verified purchase
compact
charger used only sporadically (about 4 times in 2 years) and after exactly 2 years and a month it stopped working. Money thrown out the window, OSRAM a big disappointment for the kind of company it is. Never again
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Jakub, Pravčice
Rated 26/08/2025, variant OSRAM BATTERYcharge 904
Verified purchase
Connected to car battery ( completely outside the car) unfortunately had three attempts ( two independent chargers) and neither charged.
not charging
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Anonymous customer
Rated 15/06/2025, variant OSRAM BATTERYcharge 904
Verified purchase
Simple control
KO 5 months after the end of warranty
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David, Plzen
Rated 13/06/2025, variant OSRAM BATTERYcharge 904
Verified purchase - review from a price comparison website
Connectivity easy to use
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Tomáš, IVANOVICE NA HANÉ
Rated 18/05/2025, variant OSRAM BATTERYcharge 904
Verified purchase - review from a price comparison website
It's working exactly as it should.
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Radek, Cheb 2
Rated 17/03/2025, variant OSRAM BATTERYcharge 904
Verified purchase - review from a price comparison website
It's working, it's charging. After reconnection, it remembers the previous settings.
I would have liked a bit longer cables, but that's not essential.
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