12VVoltage
66AhCapacity (C20)
845ACold cranking amps
At a glance: In a nutshell: Optima YTR-5.0, a battery for boats and motorhomes, rated 66Ah 12V 845A. Terminal position is the detail people most often forget.
Technical figures at a glance
MakeOptima
Model codeYTR-5.0
RangeOPTIMA YELLOW TOP
Used forboats and motorhomes
Voltage12V
Capacity (C20)66Ah
Cold cranking amps845A
ChemistrySpiral-cell AGM
Size L × W × H309 × 172 × 219 mm
Battery weight20.6 kg
Positive terminalpositive on the right-hand side
EAN4016987141038
Installation and maintenance tips
Narrowboat crews rely on their batteries for days between charges. Take the main leads from opposite corners of the bank so every battery shares the load. Lights that dim long before bedtime point to lost capacity.
Buying the Optima YTR-5.0 online
Your boat or motorhome runs on a Optima YTR-5.0? This is its page. Capacity, size and chemistry decide whether a leisure battery suits the job, and the table lists all three. Logbook in hand, typing the code at baterias.online takes seconds.
Small and light at 66Ah, ideal where space is short. With 845A, it punches above its size on frosty mornings.
Questions and answers
Does the Optima YTR-5.0 have an EAN?
The EAN for this product is 4016987141038. It is usually printed on the label or the packaging.
Is this the right replacement for my current battery?
Read the part number on your existing battery and look up the original fitment in the manual. If either points to YTR-5.0, or the figures agree, it will work.
How long does ordering take at baterias.online?
Yes. Open this page, check the figures, add it to your basket and finish checkout in a few steps.
Before you order: a quick checklist
- ✓ Make room for 309 × 172 × 219 mm, including clearance above the posts.
- ✓ Before ordering, glance at your current battery: this reference is positive on the right-hand side, and your cables need to reach that corner.
- ✓ The capacity rating, 66Ah, should suit the consumers you run. Lots of electrical equipment calls for the higher end.
Explore more
You will find this battery in the boats and motorhomes section of baterias.online, ready to order. Note the fitting date somewhere you will find it again.
About the technology: spiral-cell AGM
Each cylinder in a spiral battery is a complete cell. Classic cars with tight battery boxes sometimes benefit from the compact spiral shape. Never open a spiral battery to add water.
