Product Overview

The Bosch Marine HCM27-780 is a premium dual purpose marine battery designed to deliver both high cranking power and reliable deep-cycle performance. Built to withstand the harsh marine environment, it provides the strength to start engines quickly while also supporting the continuous power needs of onboard equipment such as navigation systems, pumps, lighting, and sound systems.

This dual capability makes it a versatile choice for boat owners who want one battery to handle multiple roles. With Bosch’s engineering expertise, the HCM27-780 offers durability, long service life, and dependable performance even under demanding conditions on the water.


Key Features

  • Dual purpose design providing strong starting power and dependable deep-cycle capacity

  • 780 cold cranking amps for confident engine starts in marine applications

  • 100Ah capacity to run essential onboard accessories and electronics

  • Sealed, maintenance-free construction for safety and convenience

  • Enhanced resistance to vibration and corrosion for longer service life

  • Built with Bosch advanced technology for reliable performance in marine environments


Technical Specifications

  • Battery Type: Dual Purpose (Starting + Deep Cycle)

  • Voltage: 12V

  • Capacity: 100Ah

  • Cold Cranking Amps (CCA): 780

  • Dimensions: 304mm (L) x 173mm (W) x 225mm (H)

  • Weight: Approx. 23.5 kg

  • Terminal Type: Dual Post

  • Warranty: 24 months (private use)


Why Choose the Bosch HCM27-780?

Marine batteries face constant challenges from vibration, temperature variations, and heavy electrical demands. The HCM27-780 is engineered to handle these conditions, giving boat owners confidence in both starting reliability and accessory power. Its dual purpose nature means you don’t have to compromise between starting performance and deep-cycle capability, making it ideal for a wide range of marine uses.

Whether you are heading out for a day of fishing or enjoying extended time on the water, this battery is designed to keep your vessel running smoothly and your onboard systems operating without interruption.

Voltage 12
CCA 780
Amp Hour 100
Length MM 306
Width MM 173
Height MM 225
Warranty 24
Assembly Positive Left
Post type Dual System Terminals
Battery Type Calcium
Weight KG 22.7
Model # HCM27-780
Barcode # 04047023045959

Be The First To Review This Product!

Help other Archer Batteries Pty Ltd users shop smarter by writing reviews for products you have purchased.

Write a product review

Q1
Is the Bosch Marine HCM27-780 suitable for both starting and deep-cycle use?
Yes, the HCM27-780 is a dual purpose battery designed to deliver strong cranking power for starting marine engines and reliable deep-cycle performance for running onboard accessories.
Q2
What is the capacity of the Bosch HCM27-780?
The HCM27-780 has a capacity of 100Ah, providing ample power for marine electronics and accessories.
Q3
How much starting power does this battery provide?
It delivers 780 cold cranking amps (CCA), ensuring dependable engine starts in a wide range of marine conditions.
Q4
What type of terminals does the Bosch HCM27-780 use?
This model is equipped with dual post terminals, making it versatile for different marine setups.
Q5
Is the Bosch Marine HCM27-780 maintenance free?
Yes, it is fully sealed and maintenance free, offering safe, spill-proof performance without the need for topping up fluids.
Q6
What warranty does the Bosch HCM27-780 come with?
The Bosch Marine HCM27-780 is backed by a 24-month warranty for private use, giving peace of mind and assurance of quality.

Alternative Options

Staff Picked Accessories

More From This Category