# TUBE LED T5 HF HE21 84.9CM 10W BLC CHA OSRAM - 4058075823853

**Brand:** OSRAM
**Category:** Bricolage & jardin
**Code (GTIN/SKU):** 4058075823853
**Canonical URL:** https://openreviews.io/en/reviews/osram/tube-led-t5-hf-he21-84-9cm-10w-blc-cha-osram-4058075823853

## Rating: 3.5/5 ★★★★☆ — 11 reviews analyzed
_Confidence: high_

## At a glance

TUBE LED T5 HF HE21 84.9CM 10W BLC CHA OSRAM - 4058075823853 reviews: 3.5/5 based on 11 analyzed reviews, updated November 2, 2026.

Praised: reduced consumption. Criticized: unpredictable compatibility.

11 reviews analyzed, all published on other sites.
Other sites: 1 source, 11 reviews, average rating 3.5/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This replacement LED tube is designed to upgrade existing lighting setups with a more energy-efficient solution. While it promises a simple installation, feedback is mixed regarding its overall effectiveness once put into service. Difficulties with adaptation and fluctuating performance depending on the existing installations are regularly reported, making electrical compatibility uncertain for some users.

## Strengths

- **Reduced consumption** — The 10W LED technology allows for substantial energy savings compared to older fluorescent tubes.

## Weaknesses

- **Unpredictable compatibility** — Several reports indicate operation or adaptation issues depending on the type of electronic ballast in place.

## Frequently asked questions

- Is this tube compatible with my current ballast?
- Is the light intensity equivalent to a traditional tube?
- Does the installation require modifying the wiring?
- What is the actual color temperature of the warm white?

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_Source: OpenReviews — https://openreviews.io/en/reviews/osram/tube-led-t5-hf-he21-84-9cm-10w-blc-cha-osram-4058075823853_