Batteries for Jacobsen All Javelin MK11
Which battery does a Jacobsen All Javelin MK11 need?
Specifications and battery: Javelin MK11
Jacobsen All Javelin MK11: depending on the equipment, it takes a conventional 9 Ah, 85 A battery (136 × 76 × 139 mm) or a 9 Ah, 120 A AGM battery (135 × 75 × 140 mm). Measure your current battery before choosing. In every case the positive terminal is on the left.
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Depending on equipment 1 | Conventional | 9 Ah | 85 A | 136 × 76 × 139 mm | + on the left |
| Depending on equipment 2 | AGM | 9 Ah | 120 A | 135 × 75 × 140 mm | + on the left |
This engine shares its battery with the 42642, 43020, 43032, 43037, 43043 and RE-8E: the compatible batteries are exactly the same.
Data: vehicle specifications and the battery manufacturer's application catalogue.
Battery analysis for your Jacobsen All Javelin MK11
Quick answer You need an ordinary lead-acid battery of 9 Ah. Our recommendation: VARTA 12N9-4B-1.
Prices and availability updated on 23/10/2026
Based on the batteries we found for your vehicle, our experts help you pick the right one.
📋 What we found
For your Jacobsen All Javelin MK11 we found 6 compatible batteries. This list includes 2 AGM or EFB batteries and 4 conventional batteries.
📊 View AGM vs EFB vs Conventional — full comparison
⭐ Our recommendation
For your Jacobsen All Javelin MK11 we recommend the VARTA 12N9-4B-1 (ordinary lead-acid, 9 Ah). Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.
- Get it on Tuesday before 5 PM — your product ships on Monday.
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Verified selection
- Class: Lawnmower Batteries
- Brand: Jacobsen
- Model: All
- Engine: Javelin MK11
AGM / EFB batteries
AGM or EFB technology batteries: more charge cycles, faster recovery and a longer life than a conventional battery.
Conventional batteries
Standard lead-acid batteries.
-
Motorcycle battery Varta 12N9-4B-1 (509014008) 12V 9Ah 85A
- 12 V
- 9 Ah
- 85 A
Dimensions 136×76×139 mm
- ✓ Varta brand
€110.60
-
Motorcycle battery Fulbat FB9-B GEL 12V 9.5Ah 115A GEL
- 12 V
- 9.50 Ah
- 115 A
- GEL FULBAT FB9-B GEL · 9.50 Ah · 115 A
Dimensions 135×75×139 mm
€58.04
-
Motorcycle battery Exide EB9-B 12V 9Ah 100A
- 12 V
- 9 Ah
- 100 A
- Conventional EXIDE EB9-B · 9 Ah · 100 A
Dimensions 135×75×140 mm
€48.50
-
Motorcycle battery Exide 12N9-4B-1 12V 9Ah 85A
- 12 V
- 9 Ah
- 85 A
- Conventional EXIDE 12N9-4B-1 · 9 Ah · 85 A
Dimensions 135×75×140 mm
€47.50
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| Conventional batteries | VARTA | 509014009 | 9 Ah | 85 A | 136×76×139 mm | Conventional | €110.60 | More info |
| Conventional batteries | FULBAT | FB9-B GEL | 9.50 Ah | 115 A | 135×75×139 mm | GEL | €58.04 | More info |
| Conventional batteries | EXIDE | EB9-B | 9 Ah | 100 A | 135×75×140 mm | Conventional | €48.50 | More info |
| Conventional batteries | EXIDE | 12N9-4B-1 | 9 Ah | 85 A | 135×75×140 mm | Conventional | €47.50 | More info |
Frequently asked questions
- Jacobsen All Javelin MK11: depending on the equipment, it takes a conventional 9 Ah, 85 A battery (136 × 76 × 139 mm) or a 9 Ah, 120 A AGM battery (135 × 75 × 140 mm). Measure your current battery before choosing. In every case the positive terminal is on the left. We found 6 compatible batteries priced between 33,80€ — 110,60€. Check dimensions and positive terminal position before purchasing.
- Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your Jacobsen All Javelin MK11 battery compartment and the positive terminal position matches.
- Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.
- All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.
- Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.
- In mainland Spain delivery takes 24-48 working hours if you order before 6:00 pm (Monday to Friday) and the battery is in stock; mainland Portugal takes 1 to 4 working days, the Balearic Islands 2 to 5 working days and other EU destinations 4 to 7 working days. Batteries are shipped fully charged and ready to install.