Yuasa motorcycle AGM battery YTX14H-BS (YTX14H) 12Ah — 240 CCA, maintenance-free dry-packed acid

Yuasa YUAM6RH4H YTX14H-BS is a maintenance‑free AGM motorcycle battery supplied dry with an acid pack that delivers higher cold‑cranking power and long shelf life.

This YTX H Series battery combines advanced lead‑calcium chemistry and absorbed glass mat (AGM) construction to give more reliable starts, reduced self‑discharge, and a valve‑regulated, nonspillable design. Shipped dry with the electrolyte in a separate bottle, the battery is filled and activated by the user when ready. Compact dimensions and a 12 Ah capacity make it suitable for many motorcycles, ATVs, and powersports applications where dependable starting and low upkeep are priorities.

How much starting power does this battery provide?

The YTX14H‑BS offers 240 cold cranking amps (CCA) at 0 °F (−18 °C), which is up to 30% more starting power compared with earlier Yuasa designs. That extra CCA helps ensure faster, more reliable engine starts in cooler temperatures or after longer periods of inactivity.

• 240 CCA rating for strong cold starts
• 12 Ah capacity (10‑hour rate) for consistent power delivery
• Regular charge current: 1.4 A recommended

What makes the H Series AGM design better for maintenance?

AGM separators trap electrolyte in glass fibers, rendering the battery nonspillable and reducing the need to top up fluid. The valve‑regulated construction prevents water loss and eliminates routine refilling, so once activated the battery runs maintenance‑free under normal conditions.

• Absorbed Glass Mat (AGM) for no spills and vibration resistance
• Valve‑regulated to prevent water loss and eliminate refilling
• Dry shipped with an acid pack to activate only when needed

How long does the battery hold a charge when not in use?

Thanks to advanced lead‑calcium technology, this Yuasa battery retains its specific gravity far longer than conventional lead‑antimony types, reducing self‑discharge. That means the battery can sit longer between charges and remain ready to activate when you need it.

• Lead‑calcium alloy slows self‑discharge
• Longer shelf life before and after activation
• Ideal for seasonal vehicles and intermittent use

What are the size and installation details I should know?

The YTX14H‑BS is compact and straightforward to install after activation. Its case measures 6.0 in long × 3 7/16 in wide × 6 3/4 in high and weighs about 10.6 lb with acid, so check fit and polarity for your machine before filling and mounting.

• Dimensions: 150 mm × 87 mm × 145 mm (L×W×H)
• Weight with acid: approximately 10.6 lb (4.8 kg)
• Shipped dry with acid pack; follow manufacturer activation instructions

Who is this for? Riders and powersports owners who want a compact, high‑CCA battery that needs minimal upkeep will benefit most from the Yuasa YUAM6RH4H YTX14H‑BS. It suits motorcycles, scooters, ATVs, and similar vehicles where reliable starting power, low self‑discharge, and a nonspillable, valve‑regulated package are priorities. If you prefer to activate the battery upon installation and want a long‑lasting lead‑calcium AGM design, this Yuasa model is engineered for that balance of performance and convenience.