Device Comparison
BYD Battery-Box Premium LVS 16.0 vs GoodWe Lynx Home U vs myenergi libbi vs FranklinWH aPower 2
A battery comparison for buyers balancing modular storage, home energy ecosystem fit, and backup planning.
Free Compare
Build your own comparison
Which To Choose
Start with the practical fit, then read the table.
BYD Battery-Box Premium LVS 16.0
Best fit when about 16 kWh usable storage, backup needs like backup and off-grid capable with a compatible external inverter and system design., and future expansion.
GoodWe Lynx Home U Series
Best fit when about 4.8 kWh usable storage, future expansion, and 10-year warranty coverage.
myenergi libbi
Best fit when about 4.6 kWh usable storage, backup needs like optional blackout backup to a dedicated socket or lighting circuit; backup output depends on inverter model and installation design., and future expansion.
FranklinWH aPower 2
Best fit when about 15 kWh usable storage, backup needs like whole-home backup / Emergency Backup when installed as a compatible FranklinWH system with aGate., and future expansion.
Use this comparison when the shortlist mixes low-voltage and brand-native battery systems and the real question is which home energy path feels most practical over time.
At A Glance
Key fit signals before the full table
A quick pass over the most decision-shaping details for each device in this featured comparison.
BYD Battery-Box Premium LVS 16.0
- Usable capacity
- 16 kWh
- Nominal capacity
- 16 kWh
- Chemistry
- Lithium iron phosphate (LFP, cobalt-free)
- Charge/discharge
- 12.8 kW
GoodWe Lynx Home U Series
- Usable capacity
- 4.8 kWh
- Nominal capacity
- 5.4 kWh
- Chemistry
- Lithium iron phosphate (LiFePO4)
- Charge/discharge
- 2.88 kW
myenergi libbi
- Usable capacity
- 4.6 kWh
- Nominal capacity
- 5.12 kWh
- Chemistry
- LFP (LiFePO4)
- Charge/discharge
- 5 kW
FranklinWH aPower 2
- Usable capacity
- 15 kWh
- Nominal capacity
- 15 kWh
- Chemistry
- Lithium iron phosphate (LFP)
- Charge/discharge
- 10 kW
Before You Decide
Checks that matter before price.
- Separate bill-shifting size from backup size before comparing models.
- Check usable capacity, discharge power, and expansion path together.
- Confirm whether the battery fits your existing inverter or needs a new system stack.
- Compare warranty terms and installer support, not only kWh per dollar.
| Install fit | ||||
|---|---|---|---|---|
| Phase support | Depends on paired inverter; BYD LVS supports 1- and 3-phase inverter systems. | Depends on the compatible inverter and home electrical system. | Single-phase 230 V systems in the reviewed core English source set | Residential whole-home backup system context via FranklinWH system components |
| Installation | Floor-standing modular low-voltage battery tower for use with a compatible external inverter | Stackable wall-mounted or floor-mounted low-voltage battery for indoor or outdoor residential installation | Installer-installed modular home battery system paired with a 3.68 kW or 5 kW single-phase hybrid inverter. | Indoor / outdoor wall- or floor-mounted AC-coupled battery; Type 3R enclosure with IP67 battery pack and inverter rating. |
| Measurement | Battery storage system with CAN communication to a compatible external inverter; not a site energy meter | Battery storage system with integrated BMS-managed DC energy storage | Modular LFP home battery storage and hybrid-inverter energy system for solar self-consumption, grid charging, and optional dedicated-circuit backup. | AC-coupled residential battery storage for solar, grid, generator, EV, self-consumption, time-of-use, and backup operation. |
| Nominal voltage | 51.2 V | Unknown | Unknown | Unknown |
| Inverter fit | ||||
| Backup support | Backup and off-grid capable with a compatible external inverter and system design. | Unknown | Optional blackout backup to a dedicated socket or lighting circuit; backup output depends on inverter model and installation design. | Whole-home backup / Emergency Backup when installed as a compatible FranklinWH system with aGate. |
| Battery fit | ||||
| Nominal capacity | 16 kWh | 5.4 kWh | 5.12 kWh | 15 kWh |
| Usable capacity | 16 kWh | 4.8 kWh | 4.6 kWh | 15 kWh |
| Chemistry | Lithium iron phosphate (LFP, cobalt-free) | Lithium iron phosphate (LiFePO4) | LFP (LiFePO4) | Lithium iron phosphate (LFP) |
| Charge/discharge power | 12.8 kW | 2.88 kW | 5 kW | 10 kW |
| Warranty | 10 years | 10 years | 10 years | 15 years |
| Expansion | Starts as a 4-module 16 kWh tower and can scale up to 16 parallel LVS 16.0 towers for 256 kWh total capacity | 5.4-32.4 kWh nominal / 4.8-28.8 kWh usable | 5 / 10 / 15 / 20 kWh configurations; up to 4 battery modules in parallel. Official datasheet lists 5.12 kWh nominal and 4.6 kWh usable per module. | 15 kWh per unit; up to 15 units / 225 kWh per aGate |
| Monitoring | ||||
| Protocol | CAN | CAN | Ethernet / Wi-Fi / RS485 / Proprietary 868/915 MHz / myenergi app | FranklinWH App / aGate |
| Local API | Unknown | No | No | No |
| Cloud dependency | No native BYD cloud is described in the reviewed official source set; control depends on the paired external inverter. | GoodWe SEMS is typically used for remote monitoring and system management. | myenergi app/cloud is used for remote monitoring, tariff-aware charging, and ecosystem control; core storage is installed hardware. | FranklinWH App is the documented user interface; aPower 2 operates within the FranklinWH aGate system rather than as a standalone local-API battery. |
| Home Assistant | Unknown | No | No | No |
| Solar fit | ||||
| Solar import/export | Unknown | Yes | Yes | Yes |
| Buying context | ||||
| Price range | Unknown | Installer-quoted | Unknown | Unknown |
| Availability | Global BYD Battery-Box coverage; current official LVS sources reference EU, AU, US, and ZA service-partner support | North America | United Kingdom and Europe through myenergi installer / quote routes; regional availability depends on local installer coverage and distribution. | United States and Canada for SKU APR-10K15V2-US; other regions should be checked through FranklinWH or authorized dealers. |
| Source check | ||||
| Last verified | Jun 9, 2026 | May 31, 2026 | Jun 16, 2026 | Jun 6, 2026 |
| Product page | Official page | Official page | Official page | Official page |
| Documentation | Official docs | Official docs | Official docs | Official docs |
Verdict
Choose based on inverter compatibility, backup goals, and whether you want the battery to sit inside a broader home energy ecosystem such as myenergi, GoodWe, or FranklinWH.
FAQ
Common decision questions.
Which battery storage should I choose?
Choose the option that matches your installation constraints and data path first. For 4 battery storage options, the full table is most useful after you know whether local data access, cloud convenience, backup behavior, solar visibility, or expansion matters most.
What should I check before comparing prices?
Check installation fit, required accessories, official documentation, monitoring platform support, and any unknown fields in the source-checked table. Price is only useful once those constraints are clear.
Are unknown fields a reason to avoid a device?
Not always. Unknown means the field was not confirmed from the reviewed source data. Treat it as a question for the installer, reseller, or manufacturer before making a purchase decision.
Does the verdict replace the specification table?
No. The verdict is a practical shortcut. Use the table to confirm the exact constraints that matter for your home, especially installation, monitoring, and support details.