Batteries for Harley-Davidson Softail 1340 Softail 45 hp (petrol, from 1987)
Which battery does a Harley-Davidson Softail 1340 Softail need?
Specifications and battery: 1340 Softail (45 hp)
Harley-Davidson Softail 1340 Softail (45 hp, petrol, from 1987): depending on the equipment, it takes a conventional 19 Ah, 240 A battery (176 × 101 × 156 mm) or a 18 Ah, 250 A AGM battery (177 × 88 × 156 mm). Measure your current battery before choosing.
- Brand
-
Harley-Davidson
- Model
- Softail
- Built
- 1987 - 2026
- Fuel
- Petrol
- Cylinders
- 2
- Drive
- Belts
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Depending on equipment 1 | Conventional | 19 Ah | 240 A | 176 × 101 × 156 mm | + on the left |
| Depending on equipment 2 | AGM | 18 Ah | 250 A | 177 × 88 × 156 mm | + on the right |
This engine shares its battery with the 1340 Softail (58 hp), 1340 Softail (64 hp), 1340 Softail Custom (45 hp) and 1340 Softail Custom (58 hp): the compatible batteries are exactly the same.
Data: vehicle specifications and the battery manufacturer's application catalogue.
EFB, AGM or conventional for this engine?
Rule of thumb for the Harley-Davidson Softail 1340 Softail: fit the same technology as the original or better (conventional → EFB → AGM), with equal or higher capacity and cold cranking amps, and respect the size and terminal position of around 19 Ah.
Battery analysis for your Harley-Davidson Softail 1340 Softail
Quick answer Depending on the equipment, your motorbike uses one of these two main batteries: ordinary lead-acid 19 Ah (176×101×156 mm), for which we recommend VARTA YB16-B, or AGM 18 Ah (177×88×156 mm): VARTA YTX20L-BS. Before buying, check the Ah on your current battery's label or measure its length.
Batteries in your Harley-Davidson Softail 1340 Softail
Measure the width of yours: 101 or 88 mm
Prices and availability updated on 29/10/2026
Based on the batteries we found for your vehicle, our experts help you pick the right one.
📋 What we found
For your Harley-Davidson Softail 1340 Softail we found 10 compatible batteries. This list includes 8 AGM or EFB batteries and 2 conventional batteries.
📏 Battery size
The list contains batteries in different sizes or capacities (Ah). In many cases both variants fit, but it's worth checking your compartment dimensions and the Ah of your original battery before buying. Choose the one with the same dimensions as your current battery: a bigger one may not fit the compartment or the hold-down. If several match your size, the higher capacity gives more headroom for cold starts.
📊 View AGM vs EFB vs Conventional — full comparison
⭐ Our recommendation
For your Harley-Davidson Softail 1340 Softail we recommend the VARTA YB16-B (ordinary lead-acid, 19 Ah). Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.
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Verified selection
- Class: Motorcycle Batteries
- Brand: Harley-Davidson
- Model: Softail
- Engine: 1340 Softail
AGM / EFB batteries
AGM or EFB technology batteries: more charge cycles, faster recovery and a longer life than a conventional battery.
-
Motorcycle battery Varta YTX20L-BS (518901026) 12V 18Ah 250A AGM
- 12 V
- 18 Ah
- 250 A
- AGM VARTA 518901025 · 18 Ah · 250 A
Dimensions 177×88×156 mm
€53.60
-
Motorcycle battery Varta YTX20HL-BS (518918032) 12V 18Ah 320A AGM
- 12 V
- 18 Ah
- 320 A
- AGM VARTA 518918032 · 18 Ah · 320 A
Dimensions 175×87×154 mm
€83.19
-
Motorcycle battery Exide ETX20HL-BS 12V 18Ah 270A AGM
- 12 V
- 18 Ah
- 270 A
- AGM EXIDE ETX20HL-BS · 18 Ah · 270 A
Dimensions 175×90×155 mm
€56.40
-
Motorcycle battery Motobatt MBTX20UHD 12V 21Ah 310A AGM
- 12 V
- 21 Ah
- 310 A
- Quadflex MOTOBATT MBTX20UHD · 21 Ah · 310 A
Dimensions 175×87×155 mm
€149.20
-
Motorcycle battery Varta YTX20L-4 (518909027) 12V 18Ah 270A AGM
- 12 V
- 18 Ah
- 270 A
- AGM VARTA 518909027 · 18 Ah · 270 A
Dimensions 175×87×154 mm
€93.20
-
Motorcycle battery Motobatt MBTX20U 12V 21Ah 310A AGM
- 12 V
- 21 Ah
- 310 A
- Quadflex MOTOBATT MBTX20U · 21 Ah · 310 A
Dimensions 175×87×155 mm
€149.20
-
Motorcycle battery Varta YTX20-BS (518902026) 12V 18Ah 250A AGM
- 12 V
- 18 Ah
- 250 A
- AGM VARTA 518902025 · 18 Ah · 250 A
Dimensions 177×88×156 mm
€112.60
-
Motorcycle battery Exide AGM12-19 12V 18Ah 270A AGM
- 12 V
- 18 Ah
- 270 A
- AGM EXIDE AGM12-19 · 18 Ah · 270 A
Dimensions 175×90×155 mm
€79.10
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| AGM / EFB batteries | VARTA | 518901025 | 18 Ah | 250 A | 177×88×156 mm | AGM | €53.60 | More info |
| AGM / EFB batteries | VARTA | 518918032 | 18 Ah | 320 A | 175×87×154 mm | AGM | €83.19 | More info |
| AGM / EFB batteries | EXIDE | ETX20HL-BS | 18 Ah | 270 A | 175×90×155 mm | AGM | €56.40 | More info |
| AGM / EFB batteries | MOTOBATT | MBTX20UHD | 21 Ah | 310 A | 175×87×155 mm | Quadflex | €149.20 | More info |
| AGM / EFB batteries | VARTA | 518909027 | 18 Ah | 270 A | 175×87×154 mm | AGM | €93.20 | More info |
| AGM / EFB batteries | MOTOBATT | MBTX20U | 21 Ah | 310 A | 175×87×155 mm | Quadflex | €149.20 | More info |
| AGM / EFB batteries | VARTA | 518902025 | 18 Ah | 250 A | 177×88×156 mm | AGM | €112.60 | More info |
| AGM / EFB batteries | EXIDE | AGM12-19 | 18 Ah | 270 A | 175×90×155 mm | AGM | €79.10 | More info |
Conventional batteries
Standard lead-acid batteries.
-
Motorcycle battery Varta YB16-B (519012019) 12V 19Ah 240A
- 12 V
- 19 Ah
- 240 A
Dimensions 176×101×156 mm
- ✓ Varta brand
€148.50
-
Motorcycle battery Exide EB16-B 12V 19Ah 190A
- 12 V
- 19 Ah
- 190 A
- Conventional EXIDE EB16-B · 19 Ah · 190 A
Dimensions 175×100×155 mm
€72.40
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| Conventional batteries | VARTA | 519012024 | 19 Ah | 240 A | 176×101×156 mm | Conventional | €148.50 | More info |
| Conventional batteries | EXIDE | EB16-B | 19 Ah | 190 A | 175×100×155 mm | Conventional | €72.40 | More info |
Frequently asked questions
- Harley-Davidson Softail 1340 Softail (45 hp, petrol, from 1987): depending on the equipment, it takes a conventional 19 Ah, 240 A battery (176 × 101 × 156 mm) or a 18 Ah, 250 A AGM battery (177 × 88 × 156 mm). Measure your current battery before choosing. We found 10 compatible batteries priced between 53,60€ — 149,20€. Check dimensions and positive terminal position before purchasing.
- Motorcycles can use GEL, AGM, or conventional batteries. GEL batteries are ideal for occasional use. AGM batteries are the best option for heavy use or high-power motorcycles. Always check the polarity before installation.
- Polarity indicates which side has the positive (+) terminal. This is critical for motorcycles because some models have the positive terminal on the left and others on the right. Check the label on your current battery or the manufacturer's manual.
- Yes. First disconnect the negative (−) wire and then the positive (+) wire. When installing the new one, connect the positive (+) wire first and then the negative (−) wire. Always respect the correct polarity.
- 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.