Bosch Premium High Cycle Marine Starting Battery 900Cca/100Ah M/Free

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Bosch Marine Battery HCM31-900

The Bosch HCM31-900 is a premium marine starting battery designed for reliability and power in demanding marine environments. Using maintenance-free calcium technology, it provides outstanding starting performance, fast recharge capability, and exceptional resistance to vibration and corrosion. Whether for boats, jet skis, or other marine vessels, the Bosch HCM31-900 delivers dependable power every time you turn the key.

Usually available in-store within 24 hours after purchase, this robust 12 V battery is built to last, backed by Bosch engineering and a 24-month warranty for total peace of mind.

Features:

High Cranking Power: 900 CCA ensures reliable engine starts even under heavy load.

Calcium Maintenance-Free Technology: No topping-up required — sealed for convenience and durability.

Quick Recharge Capability: Efficient energy recovery keeps your system ready for the next start.

Vibration & Corrosion Resistant: Engineered to withstand harsh marine environments.

Labyrinth Lid Design: Prevents electrolyte leakage and enhances battery safety.

Trusted Bosch Quality: Built for long service life and reliable marine performance.

Specifications:

  • Product Series: M4 HCM
  • Technology: Calcium Maintenance Free (MF)
  • Warranty Period : 24 months
  • Nominal Voltage: 12 V
  • Nominal Capacity (20 HR): 100 Ah
  • Reserve Capacity (RC): 180 minutes
  • Cold Cranking Amps (CCA): 900 CCA
  • Case Size (Dimensions): 330 mm (L) × 172 mm (W) × 208 mm (H)
  • Total Height (with Terminal): 230 mm
  • Approx. Weight (Gross): 24.83 kg (54.62 lbs)
  • Terminal Type: Marine Dual SAE / Threaded
  • Lid Design: Labyrinth Lid

Battery Shipping - All batteries can only be sent to Mainfreight Depots. Great Barrier Island, Chatham Island or Waiheke Island are also excluded.

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  • Smart Marine Manukau
  • Smart Marine Hamilton
  • Smart Marine Tauranga
  • Century Yuasa batteries Whangarei
  • Century Yuasa Batteries Napier
  • Century Yuasa Batteries New Plymouth
  • Century Yuasa Batteries Palmerston North
  • Century Yuasa Batteries Wellington
  • Century Yuasa Batteries Nelson
  • Century Yuasa Batteries Christchurch

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