Home Battery Backup
Home battery backup is treated here as a use guide, distinct from the wall-mounted and rack-mounted series pages. The series pages describe what the WM and YB-UT lines cover; this page describes the backup job itself — keeping a home running when the grid is down, with or without solar panels attached.
- LiFePO4 packs in 12V, 24V and 48V
- 7 x 12V models with full spec tables
- Portable stations and hybrid NiMH fitments
- Certificates available upon request
No founding year, headcount, phone or named contact is published on this site: those records conflict between sources and are not settled. Contact goes through the inquiry form.
The photograph above shows the YB-ES48314 all-in-one home energy storage unit as listed, with 314Ah wording in its image. That wording is a listed name, not a specification table, and this page does not present it as one. The unit illustrates the all-in-one form factor for home backup; its specification belongs in a pre-order confirmation.

Product image from the manufacturer's official site. YB-ES48314 all-in-one home energy storage unit as listed; confirm specifications before ordering.
Backup without solar, backup with solar
This page covers two jobs: home battery backup without solar, and home battery storage with solar. Without solar, the battery is charged from the grid and discharged during an outage, so capacity and inverter output are the binding figures. With solar, the battery also stores daytime generation, so charge source, charge rate and the inverter pairing join the list.
The range description behind this guide names 48V 200Ah to 400Ah as the standard choice for whole-home solar and light commercial backup, and 48V at 51.2V nominal as the mainstream choice for current solar installations. Those are range descriptions for the backup conversation, not system sizes, and a home's load profile still decides the capacity actually needed.
Residential and domestic battery storage use is handled here as well, for the same reason: they are use phrases for the same range context, not separate products. Before payment, confirm MOQ, lead time, voltage, warranty and certification scope for your order.
Before ordering
Before payment, confirm MOQ, lead time, voltage, warranty and certification scope for your order.
Confirm the specification for the model actually ordered, not for a neighbouring model or a series range.