Leoch B21AGM‑055 12V 40Ah AGM Car Battery – Stop-Start, Japanese Car Replacement, Cold Weather Ready

Leoch B21AGM-055 – Premium AGM Automotive Battery

Core Features & Benefits

• 12V 40Ah AGM (Absorbed Glass Mat) design — sealed and maintenance-free

• High cranking power: ~330 CCA (Cold Cranking Amps) for strong starts, even in cold UK winters

• Japanese / JIS terminal layout — fits many Japanese/Asian car models

• No free acid, leak-proof and safe installation

• Low self-discharge & long shelf life

• Strong vibration resistance & durability — ideal for everyday and rough road use

• 3-year manufacturer warranty for peace of mind

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:

• Fully sealed & maintenance-free — no topping up of electrolyte

• Better vibration tolerance — ideal for rough roads or off-road

• Can be mounted in multiple orientations (within design limits) since no free liquid

• Lower self-discharge rate — holds charge longer when the car is idle

• Superior cold start performance thanks to high cranking amps