Optima
Optima YTR-3.7 · Motorhome battery 12V 48Ah 660A
Reference: BOL-OPTIMA-YTR-3.7 · EAN 4016987114667
The Optima YTR-3.7 (ETN 840 222 000, also written 840222000) is a motorhome battery with 12 V, 48 Ah and 660 A cold cranking current, measuring 237 × 172 × 197 mm, with the positive terminal on the right.
Optima YTR-3.7 · Motorhome battery 12V 48Ah 660A images
- Voltage
- 12V
- Capacity
- 48Ah
- Cold cranking amps (EN)
- 660A
- Technology
- Spiral AGM
- Dimensions (L × W × H)
- 237 × 172 × 197 mm
- Polarity
- Positive terminal on the right
Price:
€199.45
Tax included
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 YTR-3.7 at a glance
The Optima YTR-3.7 is made for the living area of a motorhome. Unlike the starter battery, it takes slow, deep discharges night after night.
The YTR-3.7 belongs to the Optima OPTIMA YELLOW TOP range. See all Optima batteries
Inside the YTR-3.7: spiral AGM technology
Inside, the YTR-3.7 rolls its plates into cylindrical cells (spiral AGM). It is the basis of OPTIMA batteries.
Equivalents and alternatives to the Optima YTR-3.7
No other reference in the catalogue fully matches the dimensions and polarity of the YTR-3.7; you will find the closest ones among our leisure batteries for motorhomes and caravans.
Optima YTR-3.7 codes and part numbers
This is how the Optima YTR-3.7 appears on the label and in parts catalogues:
| Commercial reference | YTR-3.7 |
|---|---|
| ETN code | 840222000 (also 840 222 000) |
| EAN | 4016987114667 |
| Case size according to Optima | 35 (BCI) |
| Base hold-down | B3 |
| Also known as | Optima 840222000 · Optima 840 222 000 |
| Not to be confused with | Optima RTR-3.7 (44 Ah, 730 A), Optima YTR-2.7 (38 Ah, 460 A) |
Check this before ordering the Optima YTR-3.7
- The YTR-3.7 delivers 660 A cold cranking (EN standard); do not go below what your original battery states.
- Capacity of the YTR-3.7: 48 Ah; the same as your current battery or slightly more is fine.
- The YTR-3.7 has the positive terminal on the right: compare it with your current battery.
- The YTR-3.7 needs 237 × 172 × 197 mm of space: measure it with the hold-down clamp in place.
Frequently asked questions about the Optima YTR-3.7
What is the ETN code of the Optima YTR-3.7?
840222000, also written 840 222 000. The ETN (European Type Number) is printed on the label and used in parts catalogues.
How much does the Optima YTR-3.7 weigh?
The YTR-3.7 weighs 17.6 kg.
What is the cold cranking current of the Optima YTR-3.7?
660 A to the EN standard, with 48 Ah capacity.
Which side is the positive terminal on the Optima YTR-3.7?
The YTR-3.7 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.
Other options if you are unsure about the YTR-3.7
- All leisure batteries for motorhomes and caravans
- More Optima models
- Optima YTU-4.2 · 55 Ah, 765 A, 254×175×200 mm
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