Sale
Warranty
3 Years
Specifications
Sale
B21AGM-055
£95.99
£82.78
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Automotive JIS
B21AGM-055
L:
20.05 cm
H:
22.40 cm
D:
13.45 cm
Leoch B21AGM-055 – Premium AGM Automotive Battery
Core Features & Benefits
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12V 40Ah AGM (Absorbed Glass Mat) design — sealed and maintenance-free
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High cranking power: ~330 CCA (Cold Cranking Amps) for strong starts, even in cold UK winters
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Japanese / JIS terminal layout — fits many Japanese/Asian car models
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No free acid, leak-proof and safe installation
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Low self-discharge & long shelf life
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Strong vibration resistance & durability — ideal for everyday and rough road use
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3-year manufacturer warranty for peace of mind
| Voltage | 12v |
| Ah | 40Ah (C20) |
| CCA | 330 CCA |
| Weight | 12.3kg |
| Length | 205mm |
| Width | 134.5mm |
| Height | 224mm |
| Terminal Layout | 1 |
Why Choose a Premium AGM Battery?
AGM (Absorbed Glass Mat) is one of the most advanced lead-acid battery technologies. Here’s why many buyers prefer it over a conventional flooded battery:
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Fully sealed & maintenance-free — no topping up of electrolyte
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Better vibration tolerance — ideal for rough roads or off-road
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Can be mounted in multiple orientations (within design limits) since no free liquid
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Lower self-discharge rate — holds charge longer when the car is idle
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Superior cold start performance thanks to high cranking amps
3-year Manufacturer's Warranty
- Warranty:
- 3 Years
- Specifications:
- https://www.leochbattery.co.uk/app/uploads/2025/08/B21AGM-055AGM-B21-40L-D.pdf