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Baintech 12V 110AH Whitehaven Marine Lithium Battery


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Choosing lithium over a lead-acid battery means you’ll be switching to a lighter, more efficient power source. Your lithium battery will last several times longer than a comparable lead-acid alternative, so will need to be replaced less often, reducing costs in the long run. Make the switch and see the difference for yourself!

  • Fire-resistant Aluminium casing, with triple guard protection
  • Extra protection around the BMS
  • All marine grade fittings – 316 Stainless fittings
  • Extra Bonding to stop cell movement 


  • Internal 100A BMS
  • Lightweight 12kg
  • Strong aluminium enclosure
  • Lightweight
  • Soft carry handles
  • Parallel connect capable
  • Triple Guard Safety Protection
  • Designed and fully assembled in Australia

Constructed using the latest lithium iron phosphate cells. These prismatic cells are of the highest quality in a metal hard case. The battery has an inbuilt Battery Management System (BMS).

Designed for direct lead acid replacement, this lightweight battery has around double the usable capacity at up to a third of the weight of a lead-acid or AGM equivalent. The strong aluminium outer enclosure delivers a safe, lightweight, and powerful unit.


The battery voltages below are a useful guide:

  1. A normal full battery open-circuit voltage (Voc) with no load rests at 13.3V to 13.6V;
  2. Depending on the load voltage may dip 0.5V below the Voc;
  3. Below 13V Voc the battery is low and should be charged to promote a long lifespan.
  4. Below 12V Voc the battery is close to empty, and should be charged straight away;
  5. Low Voltage Disconnect (LVD) is set at ~10.5V.

How do I look after my battery for long battery life?

Keep it charged at above 13V at all times. Check the battery once a month.

How to care for my Lithium in storage?

All batteries, whether they are lead acid or lithium degrade faster in extreme cold and extreme hot environments. a. Do not charge battery when the ambient temperature is less than zero or above 45o C. b. Do not operate the battery in environments are -20o C or above 60o C. Doing so would reduce its life expectancy.

Will the battery be damaged if allowed to fully discharge?

Firstly, the BMS has a low voltage disconnect at around 10.5V, so the battery will never discharge to zero volts. If the battery is flattened and cuts out at LVD at 10.5V then it can be recovered without damage if on occasion. If it is done repeatedly then it will have a negative impact on longevity. Maintaining the battery charge at 13V or higher will maintain good battery life. Look after your lithium battery and it will give you many years of service.

What does my BMS do?

Your battery comes with a Battery Management System (BMS) mounted internally.

The BMS is an electronic solid-state circuit board that manages the cells and protects the battery across a range of scenarios which primarily includes over charge and over discharge protection. Unlike lead-acid batteries, overcharging or over-discharging a lithium battery may lead to a hazardous scenario. Therefore, the BMS is the heart and soul of a lithium battery.

The Slimline battery BMS is a highly reliable solid-state device that is primarily designed to keep the cells safe and the overall pack from being damaged by excessive voltage or excessive discharge event.

How can I install my battery?

Mounting orientation: The Slimline battery can be mounted flat or on its side in any orientation, except upside down – in this configuration the internal cells are upside down which is against the manufacturer’s recommendations. This is the only orientation that is not advisable.

Longevity & Depth of Discharge

One of the advantages of lithium batteries over lead-acid batteries is longevity. If you want to realise the long life potential out of your lithium battery then consideration must be given to depth of discharge. A battery lifespan is rated by the number of cycles before the original capacity has reduced by a certain amount; a cycle is defined as discharging from fully charged, to a percentage Depth of Discharge (DOD), and then charging back to full again. So, DOD describes what percentage of the battery capacity is being used each time. Note: DOD is different to State of Charge (SOC, also known as Charge Level); in fact, they add together to 100%. So, 80% DOD equates to 20% SOC. The less DOD you use each cycle, the longer the battery will last. This fact should be considered when choosing the battery Amp hour capacity. You will have a higher return on battery investment if there is enough capacity at hand such that you are not heavily discharging the battery on every cycle. Extra capacity ensures lower DOD, extended life and a higher financial return on your investment. BAINTECH batteries have a cycle life of 5,000 at 50% and 2,000 at 80% DOD.

Temperature range

The maximum window of acceptable operation is 0-45o C. If you regularly operate outside of this suggested range, you should consider changing the battery location or actively cool or heat the environment in order to preserve battery life. If the ambient temperature that the battery operates in is greater than 60o C you should cease use immediately.

Does the battery capacity degrade over time?

Yes, all batteries degrade slowly over time, even with no load sources connected. Storage temperature is important to degradation. Roughly every 10o C above ambient 20o C doubles the degradation rate. Cool ambient conditions are better as it slows down degradation rate.

Our batteries are between 2 and 3 times lighter than lead-acid batteries of the same Amp Hour capacity.

Stock on hand
Batteries are manufactured from our Brisbane factory and we carry stock of our most popular range ready for immediate road transport.

Proudly Australian
All our batteries are CAD designed, engineered, built, and supported from our Brisbane premises.

Verified Designs
We don’t just make batteries, we make systems. We ensure our batteries are compatible with popular chargers and inverters.

We have partnered with leading engineers to design a 12V battery range to provide solutions in the outdoor leisure and recreation space – including RV, 4×4, marine and camping.

5 Year Warranty
After-sales support and 5-year warranty on all Lithium Batteries.

Shipping is fast and FREE across Australia for orders over $200 on select brands. For more details about shipping see the full shipping page here.

We offer 30 Day Returns. If you decide you don't need a product we'll take it back so long as it is in original condition and has not been used within a 30 day period. See the full details here.

Found a better price online? We'll match it or beat it if we can. 

All you need to do is let us know via phone or email ( and we'll let you know what we can do.

You will need to provide evidence of the better price online and it must include any shipping or taxes charged by that site. I.e. It needs to be the total price.

This only applies to new products, it does not apply to used condition products.

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at The Boating Emporium.

  • Free Shipping Australia wide when you spend $200+. 
  • Price Match Guarantee. Best prices online guaranteed.
  • 30 Day Easy Returns. Not happy with your product, we'll take it back no questions asked.
  • Great Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, we know you'll love them. But is there is ever something wrong, we'll fix it.


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5 year replacement warranty