Homechevron_rightBatterieschevron_rightReviewschevron_rightBYD Battery-Box
Best Value
starstarstarstarstar4.3/5

BYD Battery-Box Review

The BYD Battery-Box is one of the best value home batteries in Australia with its modular design and industry-leading efficiency. Perfect for budget-conscious buyers.

updateLast updated: 4 January 2026

Quick Verdict

The BYD Battery-Box offers excellent value with modular expandability. Best for those wanting to start with a smaller battery and potentially expand later.

BYD
Price Range$8,500 - $14,000
Capacity5.1-12.8 kWh (modular)
Efficiency95.3%
Warranty10 years

Prices are approximate and include installation. Federal rebate may reduce cost by ~30%.

Get BYD Battery Quotes

Technical Specifications

capacity
5.1-12.8 kWh (modular)
power
5.1kW continuous
round Trip Efficiency
95.3%
warranty
10 years
dimensions
585 x 298 x 604mm (per module)
weight
57-166 kg
operating Temp
-10°C to 50°C
certification
IEC 62619, UN 38.3

Pros & Cons

thumb_upPros

  • check_circleExcellent value for money
  • check_circleModular design - start small, expand later
  • check_circleIndustry-leading 95.3% efficiency
  • check_circleWide inverter compatibility
  • check_circleCobalt-free LFP chemistry (safer)
  • check_circleProven reliability with millions installed

thumb_downCons

  • cancelLower peak power than Powerwall
  • cancelRequires compatible hybrid inverter
  • cancelLess sophisticated app than Tesla
  • cancelIndoor installation only (most models)

BYD Battery Models

Battery-Box Premium HVS

High-voltage system (256-512V). Modules of 2.56kWh each, stackable from 5.1kWh to 12.8kWh. Best for larger homes and compatible with most hybrid inverters.

5.1-12.8 kWhHigh Voltage

Battery-Box Premium HVM

Medium-voltage system (204-256V). Larger capacity per module (2.76kWh), stackable from 8.3kWh to 22.1kWh. Best for larger capacity needs.

8.3-22.1 kWhMedium Voltage

Get BYD Battery Quotes

Compare quotes from installers offering BYD batteries in your area. Free, no obligation.

Get Free Quotesarrow_forward
Up to $5,350 in rebates • Battery rates change in 63 days