12V 110AH Slimline Lithium Battery plus Bracket Kit

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Australian designed and engineered, the Baintech Lithium Battery range come with a 5 year warranty.Constructed using the latest lithium iron phosphate cells. These prismatic cells are the highest quality in a metal hard case. The battery has an inbuilt Battery Management System (BMS).

  • 5 year Warranty
  • Capacity: 110Ah
  • Nominal Voltage: 12.8V
  • Charge Voltage: 14.6V max
  • Charge Current: 100A
  • Discharge Current:100A max cont. – 200A surge
  • DC-DC Charger:  Not included
  • Operating Temp: 0-45oC
  • Weight: 14kg
  • Up to 3000 Charging Cycles | Lifecycle at 80 DOD%
  • Up to 5000 Charging Cycles | Lifecycle at 50 DOD%
  • LiFePO4 batteries are the safest lithium battery type
  • The BMS features: high capacity connectors, voltage, current and thermal protection. High and low temperature cutoff and charging protection 0°C and 50°C.
  • Size (L x D x H) 635 x 265 x 50mm

Click here for the Baintech 110Ah Slimline Lithium Battery User Guide

110Ah Slimline Lithium Battery + Bracket Kit – the BTLITH12110-SL model contains two (2) convenient grey Anderson plug connectors accessible from the side of the battery as shown in Figure 3. Both can be used as input and outputs for charging and running loads. Or one plug could be used to charge the battery and the second plug used for loads. Charge sources could include: – External AC charger with grey Anderson connector; – External (regulated) solar charger with grey Anderson connector; or – External DC-DC charger with grey Anderson connector.

For connected chargers and devices, a grey Anderson plug must be used. Check to ensure the Anderson is correctly wired (positive and negative) and do not attempt to use any coloured Anderson other than grey.

NOTE – There are no internal fuses inside the battery so an external fuse must be used for each Anderson connector, 100A maximum. The internal BMS is designed for up to 100A continuous charge and 100A continuous discharge. Please consider this when connecting charging devices and loads.

110Ah Slimline Lithium Battery + Bracket Kit Features:

  • 5 year Warranty
  • Australian Designed
  • Internal 100A BMS
  • Strong aluminium enclosure
  • Light weight
  • Slimline shape and size
  • Parallel connect capable

Baintech 12V 110Ah Slimline Lithium Battery + Bracket Kit Specifications:

  • Capacity: 110Ah
  • Nominal Voltage: 12.8V
  • Charge Voltage: 14.6V max
  • Charge Current: 100A
  • Discharge Current:100A max cont. – 200A surge
  • DC-DC Charger:  Not included
  • Operating Temp: 0-45oC
  • Weight: 14kg
  • Up to 3000 Charging Cycles | Lifecycle at 80 DOD%
  • Up to 5000 Charging Cycles | Lifecycle at 50 DOD%
  • LiFePO4 batteries are the safest lithium battery type
  • Size (L x D x H) 635 x 265 x 50mm

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

At just 11kg, the unique slimline shape makes it the perfect battery for installations where space is a premium. Slide it behind a seat, bolt it to a wall or at the back of a cupboard.

The Slimline battery provides up to 100A of continuous discharge or charge and can be stacked in parallel to increase amp hour storage capacity. Charge and discharge are via the two grey Anderson plugs. Note, an external fuse must be used.

The strong aluminium outer enclosure delivers a safe, lightweight and powerful unit which is the perfect building block for next generation battery systems.

Why our lithium batteries are superior to others in the market:

  • Massive 5 Year Warranty
  • Designed and assembled in Australia
  • Custom designed BMS System by engineers in Brisbane
  • The slimmest designs on the market; 75Ah and 110Ah Slim just 50mm thick
  • In-built DC-DC Charger capability available – unlike any lithium on the market
  • Constructed using the latest lithium iron phosphate cells
  • Local after-sales support

How can I put solar input into this unit? Do I need an MPPT?

Yes, you need some source of regulated solar either a PWM or MPPT or in some cases portable blankets and foldable panels have a regulator already built-in so you can connect directly to the Grey Anderson Plug.

Do I use the Grey Anderson plug and have a split between outputs/loads and solar input?

The Grey Anderson plug in the Battery is connected directly to the internal battery cells, This means you can put power in and take power out of this connection exactly the same way as Pos and Neg terminals work on a conventional battery.

The easiest way to do this is to use an Anderson Parallel/splitter cable such as our BTA2AP0.5 which turns the single connector into TWO so you can run 1 as input and 1 as output. The other way is to run the grey Anderson to a distribution panel and connect you solar and devises to the panel.

How do I mount the battery?

The Batteries come with 1 set of Brackets included. if you require extra brackets they can be purchased separately.

Battery FAQs

Will I be able to run two in parallel for 220ah? And will that be able to run an inverter to run a small microwave?

Yes, you can parallel up another 110 Slimline – giving you a total battery bank of 220Ah. By combining the two batteries it will also increase the current flow capability from 100 Amp to 200 Amps continuous. This will allow you to run an inverter up to 2000w which covers you to run a small microwave.

The Slimline 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.


If the battery is unintentionally discharged flat then it can be recovered?

First remove all loads sources and switch off the LED voltmeter. Apply a ‘dumb’ charger which charges the battery without needing to ‘see’ the battery first.

How do I look after my battery for a 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 which 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, over charging 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 which 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 with the Anderson plugs at the top – in this configuration the internal cells are upside down which is against the manufacturer’s recommendations. This is the only orientation that is not allowed.

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.

Why Lithium?

Lithium batteries provide more usable capacity than lead acid batteries. Deep discharging does not affect the life of a lithium battery the way it does with lead acid batteries. You can use the battery longer before needing to recharge, without damage to the battery.

Cost Effective Over Life Cycle

When considering the usable capacity and lifespan of lithium batteries, they work out cheaper than lead acid. When you add the cost and inconvenience of refitting new lead-based batteries every few years the total cost of ownership over the long term is far better with lithium batteries.

Longer life

Lithium batteries are rated for 2,000 – 5,000 cycles and much more if used carefully, giving you several times the life expectancy of standard lead acid batteries


Lithium batteries allow you to pull far more amps out of the same size battery systems


Lithium batteries are less than half the weight of the equivalent lead acid battery.

Fast recharge

Lithium batteries charge more efficiently, and don’t require as many stages during charging. Therefore, they will charge faster, and hold more of the energy from solar panels and other charging device.