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Pylontech RT12100G31 Smart Lithium Battery


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Pylontech's 12.8V 100Ah 1280Wh LiFePO4 battery is ideal for marine, vehicle, and RV applications. The RT12100G31 is an ideal solution for portal power storage, external enclosures, and a drop-in replacement for AGM or lead-acid batteries. 

With an impressive lifespan of more than 4000 cycles, 100A continuous discharge current, and a wide range of working operating temperatures of -4°F - 140°F, the Pylontech RT12100 is our recommendation for those needing a small, lightweight lithium iron phosphate battery with excellent built-in communications, a highly reliable BMS, and straightforward integration with Victron Energy equipment. 

Small footprint, high performance  

Compared to lead-acid batteries with the same capacity, the Pylontech RT12100 offers twice the usable capacity and more than three times the life cycle, with only 40% of the weight. (Dimensions: L 12.8 in x W 6.8 in x H 8.9 in, Weight: 28 lb). 

Waterproof casing

Rugged IP67 enclosure offers protection against dust, water, and liquids, up to and including immersion in up to one meter of water. 

Built-in heater

Below zero temps will damage lithium batteries. Switched on manually, via the app, or with a relay, this battery's built-in heater is a significant value-add for vehicles and portable power storage units operating in environments as cold as -4°F and or left in storage at as low as -40°F. 

Outstanding BMS

Unlike many competitors who merely assemble batteries from components made by different manufacturers, Pylontech manufactures its battery cells and the battery management system (BMS). Pylontech's internal BMS carefully monitors and wisely manages the charging/discharging process to ensure cell balancing and prevent damage due to overcharge, over-discharge, overcurrent, temperature, or short circuit. 

Expandable up to 4 in series and 4 in parallel

this battery's embedded BMS allows for seamless networking of up to 16 Pylontech 12V batteries to create a 48V 400Ah battery bank. 


The combination of Pylontech lithium batteries and Victron inverters has been tested and certified by both Victron and Pylontech R&D departments. The RT12100G31 communicates with the Cerbo GX via the BMS type A cable. When connected, the battery is recognized as a Victron-compatible device and populates on the device list, just like your Victron charge controller or inverter. 

For those already using Victron Energy inverters/chargers, solar charge controllers, and other equipment, the seamless integration and communication with Pylontech batteries offer a great user experience.

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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