BEAR-48G1 20.48kWh Wall-Mounted LiFePO4 Battery Module

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PVBAT 20.48kWh Ultra-Thin Wall-Mounted LFP Energy Storage Battery Designed for home solar energy storage, power outage backup, and off-grid power supply, this battery is suitable for various applications such as villas, farms, small shops, and factories. With a slim profile of just 181 mm, it can be directly wall-mounted, saving space and featuring a modern look. The user manual describes parallel battery connections but does not specify a maximum unit count. Confirm the permitted quantity, inverter compatibility and system design with PVBAT before ordering. Equipped with BYD safe and stable LiFePO4 battery cells, it offers an ultra-long lifespan of up to 8,000 cycles, making it an efficient and reliable choice for residential and small commercial energy storage.
Large Capacity:
20.48 kWh per unit, meeting the electricity needs of homes, shops, and small factories.
Multi-Scenario Application:
Ideal for solar energy storage, peak/off-peak electricity management, blackout backup, and off-grid power supply.
Stable Output:
Delivers consistent power for long-term operation, suitable for high-frequency usage.
Ultra-Thin Design:
Integrated wall-mounted installation saves space and offers a sleek, modern appearance.
Light & Neat:
Lighter and tidier compared to traditional cabinet or stacked battery systems.
Strong Compatibility:
Compatible with a variety of mainstream inverters for easy system integration
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PVBAT home battery backup illustration
PVBAT 20.48kWh battery application overview
pvbat-bear-48g1-battery-runtime-chart

 

PVBAT 20.48kWh Ultra-Thin Wall-Mounted LiFePO4 Energy Storage Battery

The PVBAT BEAR-48G1 20.48kWh ultra-thin wall-mounted LiFePO4 energy storage battery is designed for home solar energy storage, emergency backup power, and off-grid power applications. It is also suitable for villas, farms, small shops, small factories, and other small-scale energy storage projects.

Each unit provides 20.48kWh rated energy and 400Ah rated capacity with a 51.2V rated voltage. Its 1090x181x654mm ultra-thin body supports wall-mounted installation, helping save floor space while keeping the system layout clean and modern.

The user manual describes parallel battery connections but does not specify a maximum unit count. Confirm the permitted quantity with PVBAT for the exact battery/BMS version, inverter, communication setup, wiring and protection design before ordering.

The battery uses LiFePO4 (LFP) chemistry with an 8000-cycle design at 80% depth of discharge. It is built for stable long-term operation, reliable output, safer energy storage performance, and practical use in residential and small commercial energy systems.

  • 20.48kWh rated energy and 400Ah rated capacity for home and small commercial storage needs.
  • 51.2V LiFePO4 (LFP) battery system with 16S1P battery cell configuration.
  • Supports parallel battery connections; the permitted quantity and total system capacity require project-specific confirmation.
  • 8000-cycle design at 80% depth of discharge for long-term stable operation.
  • 150A*2 maximum continuous discharge current per port for reliable power output.
  • Supports solar energy storage, peak-valley power management, outage backup, and off-grid power supply.
  • CAN/RS485 communication with Wi-Fi / Bluetooth monitoring for system integration and visibility.
  • 1090x181x654mm ultra-thin body for wall-mounted, space-saving installation.
  • Charge 0~55°C and discharge -20~60°C operating temperature range.
  • IP54 ingress protection rating with wall-mounted / built-in casters installation method.
Technical specification comparison of PVBAT BEAR-48G1, Elephant-48628, FALCON-48G2, and TIGER-T4-72 battery systems
Parameter Item BEAR-48G1 Elephant-48628 FALCON-48G2 TIGER-T4-72
Rated Energy 20.48kWh 32.15kWh 16.5kWh 24KWH
Rated Capacity 400Ah 628Ah 324Ah
Rated Voltage 51.2V 51.2V 51.2V 76.8V
Charging Cut-off Voltage 58.4V 58.4V 58.4V 87.6V
Discharge Cut-off Voltage 44.8V 44.8V 44.8V 67.2V
Max. Continuous Discharge Current (Per Port) 150A*2 150A*2 150A*2 175A
Battery Type LiFePO4 (LFP) LiFePO4 (LFP) LiFePO4 (LFP) LiFePO4 (LFP)
Cycle Life 8000 cycles @ 80% Depth of Discharge 8000 cycles @ 80% Depth of Discharge 10000 cycles @ 80% Depth of Discharge 8000cycles @ 80% Depth of Discharge
Expansion Capability Parallel connection; quantity requires system confirmation Parallel connection; quantity requires system confirmation Parallel connection; quantity requires system confirmation Expansion configuration requires confirmation; no unit limit specified
Operating Temperature Range Charge 0~55°C / Discharge -20~60°C Charge 0~55°C / Discharge -20~60°C Charge 0~55°C / Discharge -20~60°C Charge 0~55°C / Discharge -20~60°C
Communication Method CAN/RS485 CAN/RS485 CAN/RS485 CAN/RS485
Monitoring Method Wi-Fi / Bluetooth Wi-Fi / Bluetooth Wi-Fi / Bluetooth Wi-Fi / Bluetooth
Battery Cell Configuration 16S1P 16S2P 16S1P 24S1P
Product Dimensions 1090x181x654mm /
42.91x7.13x25.75in
930x340x1035mm /
36.61 × 13.39 ×40.75 in
671x258x461mm /
31.85x10.71x18.31in
620×390×775mm /
24.41 × 15.35 × 30.51 in
Weight 150kg / 330lbs 266kg / 586.43 lbs 120kg / 265lbs 269kg / 593.04lb
Installation Method Wall-mounted / built-in casters built-in casters Wall-mounted / built-in casters built-in casters
Ingress Protection Rating IP54 IP54 IP54 IP54

Tip: The table can scroll horizontally on mobile devices.

Download User Manual

Download the PVBAT BEAR-48G1 User Manual PDF for installation guidance, operation instructions, safety information, and daily use reference.

Download User Manual

Frequently Asked Questions

A: Each unit offers 20.48kWh of energy storage capacity.
A: The product size is 1090 × 654 × 181mm.
A: The battery is only 181mm thick, while conventional wall-mounted batteries are usually around 250mm thick.
A: The user manual describes parallel battery connections but does not specify a maximum unit count. Confirm the permitted quantity with PVBAT for the exact battery/BMS version, inverter, communication setup, wiring and protection design before ordering.
A: Each BEAR-48G1 has 20.48kWh rated energy. Total rated energy is 20.48kWh multiplied by the approved number of packs; the manual does not publish a maximum system capacity.
A: The 20.48kWh model provides higher single-unit capacity, making it more suitable for larger homes, longer backup time, and higher energy storage requirements.
A: It can be installed on the wall in homes, garages, villas, utility rooms, solar storage systems, and small commercial sites.
A: Key selling points include 20.48kWh large capacity, 181mm ultra-thin body, wall-mounted installation, no floor space required, and parallel expansion subject to system confirmation.

Weight and expansion: manual reference

BEAR-48G1 weight: 150kg / 330lbs, as listed in the official user manual, PDF page 3 (printed page 2). The manual describes parallel connections on PDF pages 7–8 and 13 but does not state a maximum number of battery packs. Confirm the permitted quantity and system design with PVBAT before ordering.

The TIGER-T4-72 entry in the comparison table uses 269kg / 593.04lb from its official manual, page 4. The TIGER manual does not specify a maximum parallel unit count. Confirm expansion equipment and the packed shipping weight for the exact order.

Planning a U.S. backup power system with BEAR-48G1

BEAR-48G1 is a 20.48 kWh battery module for a modular storage system. A compatible inverter is required to supply household AC loads. Confirm the inverter model, battery communication protocol and operating limits before choosing this battery.

What should I confirm before ordering?

  • Loads and runtime: list must-run appliances, 120V or 240V requirements, running power, startup demand and desired backup hours. Rated battery kWh and usable AC energy are different.
  • System compatibility: provide existing inverter or solar equipment model numbers and confirm the proposed connection method with a qualified electrician.
  • Delivery and project scope: provide a U.S. delivery ZIP code and quantity; confirm current stock, lead time, freight or pickup arrangements, included equipment and applicable warranty terms in the quote.

Read the U.S. home battery backup buying guide: compare system types, power and capacity.

PVBAT supplies equipment and U.S. support with installation guidance. Permanent electrical connections require a qualified electrician; installation services are not included.

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