Optima
Optima YTS-4.2 · Motorhome battery 12V 55Ah 765A
Reference: BOL-OPTIMA-YTS-4.2 · EAN 4016987113523
Optima YTS-4.2 (ETN 812 254 000, also written 812254000): motorhome battery with 12 V, 55 Ah and 765 A cold cranking current, measuring 254 × 175 × 200 mm, with the positive terminal on the left.
Optima YTS-4.2 · Motorhome battery 12V 55Ah 765A images
- Voltage
- 12V
- Capacity
- 55Ah
- Cold cranking amps (EN)
- 765A
- Technology
- Spiral AGM
- Dimensions (L × W × H)
- 254 × 175 × 200 mm
- Polarity
- Positive terminal on the left
Price:
€209.20
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VAT included. The exact shipping cost is shown in the cart before you pay.
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For Spain, Portugal, France, Germany, Italy, Belgium and the Netherlands you see the exact cost before paying. For the rest of Europe we send you a shipping quote, with no obligation.
14 days to return your order
If it does not fit, you have 14 days from delivery to return it unused.
The Optima YTS-4.2 at a glance
The Optima YTS-4.2 is made for the living area of a motorhome. Unlike the starter battery, it takes slow, deep discharges night after night.
The YTS-4.2 belongs to the Optima OPTIMA YELLOW TOP range. More Optima batteries
Spiral AGM technology in the YTS-4.2
Inside, the YTS-4.2 rolls its plates into cylindrical cells (spiral AGM). It is the basis of OPTIMA batteries.
Equivalents and alternatives to the Optima YTS-4.2
Other AGM batteries that fit the YTS-4.2's tray with the same polarity: an AGM can only be replaced by another AGM.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Optima YTU-4.2 | Spiral AGM | 55 Ah | 765 A | 254 × 175 × 200 |
Part numbers and codes for the Optima YTS-4.2
This is how the Optima YTS-4.2 appears on the label and in parts catalogues:
| Commercial reference | YTS-4.2 |
|---|---|
| ETN code | 812254000 (also 812 254 000) |
| EAN | 4016987113523 |
| Case size according to Optima | 34 (BCI) |
| Base hold-down | B00 |
| Also known as | Optima 812254000 · Optima 812 254 000 |
| Not to be confused with | Optima RTS-4.2 (50 Ah, 815 A) |
Check this before ordering the Optima YTS-4.2
- The YTS-4.2 delivers 765 A cold cranking (EN standard); do not go below what your original battery states.
- Capacity of the YTS-4.2: 55 Ah; the same as your current battery or slightly more is fine.
- The YTS-4.2 has the positive terminal on the left: compare it with your current battery.
- Length, width and height of the YTS-4.2: 254 × 175 × 200 mm.
Frequently asked questions about the Optima YTS-4.2
What is the ETN code of the Optima YTS-4.2?
812254000, also written 812 254 000. The ETN (European Type Number) is printed on the label and used in parts catalogues.
How much does the Optima YTS-4.2 weigh?
20.3 kg, with 55 Ah of capacity.
Which battery is equivalent to the Optima YTS-4.2?
Only other AGM batteries with its dimensions and polarity: Optima YTU-4.2. Neither an EFB nor a conventional battery replaces the YTS-4.2.
What is the cold cranking current of the Optima YTS-4.2?
765 A to the EN standard, with 55 Ah capacity.
Which side is the positive terminal on the Optima YTS-4.2?
On the YTS-4.2, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.
Can it be charged from the engine and from solar panels at the same time?
Yes, with a solar regulator and a charge booster or relay from the alternator. Both sources can coexist if each has its own controller.
Keep comparing: alternatives to the YTS-4.2
- All leisure batteries for motorhomes and caravans
- The whole Optima range
- Optima YTR-5.0 · 66 Ah, 845 A, 309×172×219 mm
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