Lock Low Price for 2027 Power

⚡️ LOWEST PRICES EVER! ⚡️

2026 THANK-YOU SALE. Our biggest thank-you to you! Every week in November, we'll randomly select 5 lucky customers from that week's orders to receive an exclusive Humsienk Gift Box!

🖤 Black Friday Home Backup Deals 🖤

Power your home for less with LiFePO₄ batteries for off-grid and grid-connected solar systems. Pair with a compatible inverter for solar energy storage and reliable home backup.

• 32.15kWh Energy Storage
• 200A Continuous Discharge
• 51.2V Low-Voltage System
• 192.92kWh Max Parallel Storage

10% off

51.2V 628Ah · 32.15kWh LiFePO₄ Home Battery

• 32.15kWh Energy Storage
• 200A Continuous Discharge
• Bluetooth Smart Monitoring
• CAN / RS485 / RS232 Communication
• Up to 6 Batteries in Parallel

$6,999.99$9,999.99

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🖤 All-in-One Solar Power for Off-Grid Living 🖤

Store solar energy and power off-grid essentials with an integrated inverter, LiFePO₄ battery and MPPT solar charge controller.

• 5kVA Built-In Inverter
• 5.12kWh Battery Storage
• 9kW Max PV Input
• 8,000+ Battery Cycles

10% off

5kVA / 5.12kWh All-in-One Solar System

• Integrated Inverter, Battery & MPPT
• Up to 9kW Solar PV Input
• Wi-Fi Monitoring & LCD Control
• 8,000+ Battery Cycles*
• Built-In BMS Battery Protection

$1,899.99$5,899.99

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🖤 Compact 3U Storage. Built to Expand. 🖤

Start with 5.12kWh and scale up to 76.8kWh with compatible modules for your solar or off-grid system.

• 5.12kWh Energy Storage
• 3U Compact Rack Design
• 100A Continuous Discharge
• 76.8kWh Max Parallel Storage

10% off

51.2V 100Ah / 5.12kWh 3U Rack LiFePO₄ Battery

• Compact 3U Rack-Mount Design
• 100A Smart BMS Protection
• Bluetooth Battery Monitoring
• 6,000 Cycles at 80% DoD
• Up to 15 Batteries in Parallel

$1,389.99$1,499.00

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Lithium Power for Caravans, RVs & 4WD Adventures

From weekend escapes to the Big Lap, power your fridge, lights, electronics and off-grid essentials with dependable 12V LiFePO₄ batteries built for Australian touring.

🖤 Finish Your Setup with the Right Accessories 🖤

Shop compatible cables and connection accessories designed to make your battery and inverter setup easier and more convenient.

Save on Shipping with Local Pickup

Order online and collect from our Sydney or Melbourne warehouse.

Sydney Pickup

Rydalmere, NSW

Melbourne Pickup

Brooklyn, VIC

1. Order & Pay Online

2. Receive Confirmation

3. Collect from Warehouse

Save on delivery costs

Same promotional discount

Australian local stock

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Certified Safety & Compliance

Real Experiences from Humsienk Users

Don't just take our word for it — hear from Australian customers in the wild.

Anthony S.

More of our solar gets used at night now

" We installed the wall-mounted battery mainly because we were exporting a lot of solar during the day and then buying power back again at night. The extra storage has made a noticeable difference to how much of our own solar we can actually use. The battery looks tidy on the wall as well, which matters when it’s installed somewhere visible. The warranty was another reason we felt comfortable going with Humsienk. "

Humsienk 48V (51.2V) 314Ah 16.08kWh Wall-Mounted LiFePO4 Solar Battery for Off-Grid & On-Grid Systems – 200A BMS

Paul W.

A serious amount of home battery storage

" We wanted something larger rather than adding another small battery a year down the track, so the 314Ah model made more sense for us. It’s being used with our home solar system for evening loads and backup. The capacity gives us a lot more flexibility, especially when the weather isn’t great for a couple of days. I contacted support during the setup and they were quick to get back to me. Knowing there’s a 5-year warranty behind the battery is reassuring as well. "

Humsienk 48V (51.2V) 314Ah 16.08kWh Wall-Mounted LiFePO4 Solar Battery for Off-Grid & On-Grid Systems – 200A BMS

Ross J.

Customer service was spot on

" Battery itself has been great, but I’m mainly leaving this review because of the service. I had a few questions about fitting it to my cart and sent Humsienk an email before ordering. Got a clear response without being passed around between different people, which made the whole purchase much easier. The golf cart is running well and has plenty of pull on our hilly course. Very happy so far. "

Humsienk 48V (51.2V) 100Ah–150Ah Golf Cart LiFePO₄ Battery Kit – 5.12–7.68kWh, Bluetooth & 200A BMS

Nathan R.

Clean addition to our solar setup

"Added one of these 48V rack batteries to our solar system and I really like the format. Everything sits neatly in the rack rather than having cables and batteries spread around the utility area. We mainly use the stored power in the evening after the solar drops off. The battery has been doing exactly what we expected. Good experience overall. "

Humsienk 5.12kWh 48V (51.2V) 100Ah 3U Rack LiFePO₄ Battery – Modular Storage for Compatible 48V Inverter Systems

Wayne D.

Easily gets us through 18 holes

" Have used it for several rounds now and battery range hasn’t been something I’ve had to worry about. We normally play 18 holes on a fairly spread-out course with plenty of hills and there’s still comfortable capacity left when we get back to the clubhouse. Power delivery stays consistent too, even on the steeper sections. Much nicer than the old lead-acid batteries. "

Humsienk 48V (51.2V) 100Ah LiFePO₄ Battery Kit for Golf Carts & 48V Ride-On Mowers – 200A BMS & Bluetooth

Matt R.

Real- RV Trip: 12V 200Ah

“Bought the 314Ah lithium battery for our caravan setup and it’s been a really solid upgrade from the old lead-acid bank. Much more usable power without taking up heaps of space. We’ve run the fridge, lights and inverter over a few weekends away without any dramas. The 5-year warranty was also a big reason I was comfortable giving Humsienk a go.”

Humsienk - 12V 314Ah Mini LiFePO4 Battery with 200A BMS

Luke T.

Bluetooth is actually really useful

" I originally bought this for the capacity, but the Bluetooth monitoring has probably been the feature I use the most. Being able to check the battery from my phone instead of opening up the caravan battery compartment is brilliant. The 314Ah lithium battery has been running our touring setup nicely so far. No complaints. "

Humsienk - 12V 314Ah Mini Bluetooth LiFePO4 Battery with 200A BMS

Graham P.

Great for a few days off-grid

" We do a fair bit of free camping around Victoria and wanted enough battery capacity to stay away from powered sites for longer. So far the 320Ah battery has been a good match for our caravan. Fridge, lights, TV and the usual charging are no problem, and our solar puts a fair bit back in during the day. Humsienk support also answered a couple of questions before I ordered, which was appreciated. "

Humsienk 12V 320Ah Bluetooth LiFePO4 Caravan Lithuim Battery – 4.10kWh, 250A Smart BMS

Brett C.

Exactly what we wanted for long trips

" It’s a big battery, but that’s exactly why we bought it. We wanted a lithium battery bank that could handle longer trips without having to constantly watch every appliance we turn on. Plenty of capacity for our caravan setup and it gives us much more freedom when camping away from mains power. Installation was straightforward and everything has been running well. "

Humsienk 12V 640Ah 8.19kWh Smart LiFePO₄ Battery – 250A BMS for Caravans & Off-Grid

Mick H.

Big improvement on the hills

" Put this 48V lithium battery in our golf cart and the biggest difference is definitely going uphill. Our course has a couple of long climbs where the old batteries used to feel noticeably slower, especially towards the back nine. With this setup the cart pulls much more consistently and doesn’t feel tired halfway through the round. That alone made the upgrade worthwhile for me. "

Humsienk 48V (51.2V) 100Ah LiFePO₄ Battery Kit for Golf Carts & 48V Ride-On Mowers – 200A BMS & Bluetooth