OSRAM BATTERYstart 300 OBSL300 Review
The TopTenUAE Team consists of expert researchers and reviewers dedicated to finding the best products and services in the Emirates. We analyze the local market to save you time and money.
Who this is for
Drivers prioritising a compact, documented 12V unit from an established automotive-lighting and accessories brand.
Who should avoid it
Choose the GOOLOO A3 for larger engines or inflation, or the AstroAI S8 for a lower dated price and a higher published operating ceiling.
How we assessed this
Editorial research only. We checked the exact Amazon.ae offer and compared it with first-party manufacturer documentation; TopTenUAE did not conduct hands-on testing.
UAE availability and ownership
- Availability
- In stock, sold and shipped by Amazon.ae when checked on 4 September 2026. Reconfirm availability at checkout.
- Shipping
- Amazon.ae displayed UAE delivery when checked; live delivery timing can change.
- Warranty
- The offer displayed a one-year manufacturer warranty. Confirm current UAE eligibility and claim handling before purchase.
- Compatibility
- 12V vehicles only. The OSRAM manual publishes −20°C to 40°C operation and warns against extreme heat; separate charge and storage ranges were not found.
Sources
- BATTERYstart 300 OBSL300 — OSRAM (checked 4 September 2026)
- BATTERYstart 200 / 300 user instruction — OSRAM (checked 4 September 2026)
- OSRAM BATTERYstart 300 Amazon.ae listing — Amazon.ae (checked 4 September 2026)
The Good
- Official manual and product sheet publish unusually specific current figures
- Compact 168 × 88 × 33mm body
- The checked offer was sold and shipped by Amazon.ae
Watch Out
- Highest dated price in the shortlist
- The 40°C operating ceiling requires special caution in UAE summer conditions
- No integrated compressor and no separately published storage-temperature range
Technical Specifications
| Vehicle system | 12V only |
| Engine rating | Up to 6.0L petrol / 3.0L diesel |
| Current | 300A for 3 seconds; 1500A peak for 0.1 seconds |
| Battery | 13,000mAh lithium-cobalt (LiCoO2) |
| Operating temperature | −20°C to 40°C |
| Charging temperature | Not separately published in the reviewed manual |
| Storage temperature | Not separately published in the reviewed manual |
| Charging | USB-C; approximately 3 hours |
Why we picked this
"Best compact premium pick for buyers who value detailed OSRAM documentation, smart clamps and a current Amazon.ae-sold offer."
Key Features
- 300A starting current
- 1500A peak current
- Up to 6.0L petrol or 3.0L diesel
- 13,000mAh LiCoO2 battery
- Smart safety clamps and boost function
- LED light and two USB outputs
Real User Feedback
"Skip it if you need more than 6.0L petrol or 3.0L diesel support, a built-in compressor, or operation above the manual’s 40°C ceiling."