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51.2V deals in Australia: 4 offer records from Australian retailers and community submissions. Latest offer: Humsienk 5kVA / 5.12kWh All-in-One Solar Inverter + LiFePO4 Battery (Was $1,899.99) Delivered @ Humsienk for $1,699.99, posted 3 Nov 2026.
Tag
51.2V
Country
Australia
Offer records
4

51.2V Deals Australia

Offers and price history for 51.2v from Australian retailers and community submissions.

Latest offer: Humsienk 5kVA / 5.12kWh All-in-One Solar Inverter + LiFePO4 Battery (Was $1,899.99) Delivered @ Humsienk for $1,699.99, posted 3 Nov 2026.

Offer history (4)

Deal: Humsienk 5kVA / 5.12kWh All-in-One Solar Inverter + LiFePO4 Battery (Was $1,899.99) Delivered @ Humsienk with recorded price $1,699.99 AUD at au.humsienk.com in Australia. Offer record. Published 2026-11-03 07:27:43+00. Source: WhatsCheap Australia.
Humsienk 5kVA / 5.12kWh All-in-One Solar Inverter + LiFePO4 Battery (Was $1,899.99) Delivered @ Humsienk - Deal image
$1,699.99
Electrical & Electronics51.2V

Humsienk 5kVA / 5.12kWh All-in-One Solar Inverter + LiFePO4 Battery (Was $1,899.99) Delivered @ Humsienk

Hi everyone, We’re the Humsienk Australia team. We supply LiFePO₄ batteries and integrated energy-storage products for off-grid homes, cabins, rural sheds and backup-power applications. For …

au.humsienk.com
Deal: WattCycle 5.12kWh 51.2V 100Ah LiFePO4 Rack Battery Delivered at WattCycle (Code Needed) with recorded price $1,250.99 AUD at au.wattcycle.com in Australia. Offer record. Published 2026-11-03 07:03:48+00. Source: WhatsCheap Australia.
WattCycle 5.12kWh 51.2V 100Ah LiFePO4 Rack Battery Delivered at WattCycle (Code Needed) - Deal image
$1,250.99
Electrical & Electronics51.2V

WattCycle 5.12kWh 51.2V 100Ah LiFePO4 Rack Battery Delivered at WattCycle (Code Needed)

You're getting 5.12kWh of rack-mounted LiFePO4 storage plus a free EcoFlow WattLINK adapter for $1,250.99 — that's 10% off the $1,389.99 price when you use code WTOZ10.

  • Free adapter is capped at the first 50 rack kit orders, so don't sit on it
  • Works with DELTA 2, DELTA 2 Max, DELTA 3, DELTA 3 Plus and WAVE 3 (check your port first)
  • Wall-mount and BLUETTI P90D versions are also discounted, from $1,259.99
  • Standard delivery is free to most Aussie addresses, with Sydney and Melbourne pickup available

Just confirm the adapter shows in your cart and match both units to within about 1V before you connect anything.

au.wattcycle.com
Deal: Humsienk 51.2V 300Ah 15.36kWh LiFePO4 Battery (Was $2999.99) + Delivery (Free to Most Areas) @ Humsienk with recorded price $2,760 AUD at au.humsienk.com in Australia. Offer record. Published 2026-10-15 01:37:00+00. Source: WhatsCheap Australia.
Humsienk 51.2V 300Ah 15.36kWh LiFePO4 Battery (Was $2999.99) + Delivery (Free to Most Areas) @ Humsienk - Deal image
$2,760
Electrical & Electronics300Ah

Humsienk 51.2V 300Ah 15.36kWh LiFePO4 Battery (Was $2999.99) + Delivery (Free to Most Areas) @ Humsienk

If you're building or expanding an off-grid solar setup, this 15.36kWh LiFePO4 battery is a serious chunk of storage at a solid price.

  • Grab it for $2,759.99 (down from $2,999.99) with code HSOZ8 — that's $240 in your pocket
  • Free delivery to most Aussie metro and regional areas, plus local pickup available in Sydney and Melbourne if you'd rather collect
  • 6,000+ cycles, 200A BMS, and Bluetooth monitoring — expandable up to 15 batteries in parallel if you need more later
  • Just double-check your inverter's compatibility before ordering, since it's a 51.2V/16-series LiFePO4 unit (and at 118kg, you'll want a mate to help move it!)
au.humsienk.com
Deal: WattCycle 16kWh 51.2V 314Ah Floor Standing LiFePO4 Battery (Was $3899.99) + Delivery ($0 to Most Areas) @ WattCycle with recorded price $3,510 AUD at au.wattcycle.com in Australia. Earlier offer. Published 2026-07-16 03:32:28+00. Source: WhatsCheap Australia.
WattCycle 16kWh 51.2V 314Ah Floor Standing LiFePO4 Battery (Was $3899.99) + Delivery ($0 to Most Areas) @ WattCycle - Deal image
$3,510
Electrical & Electronics314Ah

WattCycle 16kWh 51.2V 314Ah Floor Standing LiFePO4 Battery (Was $3899.99) + Delivery ($0 to Most Areas) @ WattCycle

If you're looking to upgrade your home solar or off-grid setup, this is a massive deal on a high-capacity power solution. You can grab the WattCycle 16kWh LiFePO4 Battery for just $3,510—a solid saving off the original $3,899.99 price tag.

  • Use code WTOZ10 at checkout to unlock your 10% discount.
  • Enjoy peace of mind with Grade A+ cells, Bluetooth monitoring, and up to 6,000 charge cycles.
  • Best of all, you get free delivery to most Australian areas, saving you a fortune on shipping such a heavy unit!
au.wattcycle.com