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11KW Off-Grid Solar Inverter with WiFi & Parallel Function - BSR-IP21-PL Series
Overview
The BSR-IP21-PL Series 11KVA/11KW off-grid solar inverter is a robust and intelligent power conversion solution designed for modern energy independence. Engineered for both home and commercial use, this inverter seamlessly integrates solar power, battery storage, and grid/generator input to provide reliable, clean electricity. Its sleek, industrial design features efficient cooling and a user-friendly interface, making it a cornerstone for efficient energy management systems.
Technical Specifications
Rated Capacity
11KVA / 11KW
Output Waveform
Pure Sine Wave
Battery Voltage
48VDC
Max PV Input Power
11KW (2 x 5500W MPPT)
Max PV Array Open Circuit Voltage
500VDC
Max Solar Charge Current
160A
AC Input Voltage Range
90-280VAC (For appliances), 170-280VAC (For PCs)
Efficiency
Up to 96% (PV to AC)
Parallel Capability
Up to 6 units
Communication
WiFi, RS485, RS232
Protection Rating
IP21
Dimensions (D x W x H)
540 x 415 x 122 mm
Net Weight
15.5 Kg
Key Features & Advantages
High Efficiency & Pure Power: Achieves up to 96% peak efficiency (PV to AC) and delivers pure sine wave output (230VAC), ensuring safe and optimal operation for all sensitive electronics and appliances.
Advanced Dual Solar Charging: Built-in dual MPPT controllers (Max 160A) allow connection of two separate PV arrays, maximizing solar energy harvest from different roof angles or panel types.
Flexible Power Modes: Operates with or without a battery. Features dual AC outputs (Main: 11KW, Secondary: 5.5KW) for intelligent load management and critical circuit backup.
Scalable System Design: Supports parallel connection of up to 6 units, enabling power expansion up to 66KW to meet growing energy demands.
Smart Monitoring & Communication: Built-in WiFi for remote monitoring and control. Compatible with lithium batteries via RS485 communication for optimal battery management (BMS).
Robust & Reliable: Rated IP21 for dust and drip protection. Wide operating temperature range (-10°C to 55°C) and a durable metal casing ensure performance in diverse environments.
User-Friendly Design: Clear LCD display, intuitive controls, and well-labeled connection ports (AC IN, AC OUT, PV IN, Parallel Ports) simplify installation and operation.
Application Scenarios
Residential: Whole-house or critical load backup power, maximizing self-consumption of solar energy, reducing electricity bills.
Commercial: Powering small businesses, offices, workshops, or remote telecom sites with reliable off-grid or backup power.
Hybrid Systems: Ideal for solar-plus-storage systems aiming for energy independence and grid resilience.
Frequently Asked Questions
Can this inverter work without batteries?
Yes, the BSR-IP21-PL series can operate in a solar-only mode, powering loads directly from PV panels when the sun is shining.
What types of batteries are compatible?
It is compatible with lead-acid batteries and supports communication with various lithium battery brands via its RS485 port for optimized charging.
How do I monitor the system performance?
You can monitor it locally via the LCD screen or remotely via the dedicated mobile/desktop app using the built-in WiFi module.
What is the warranty period?
Standard warranty is [Insert Warranty Period, e.g., 5 years]. Please contact your supplier for specific warranty terms.
KUOMAN Industry Limited — Your Global Partner for New Energy & Integrated Supply Chain Solutions
KUOMAN Industry Limited is a technology-driven enterprise specializing in the R&D, supply, marketing, and export of new energy products. We are dedicated to delivering sustainable solutions... KUOMAN Industry Limited — Your Global Partner for New Energy & Integrated Supply Chain Solutions
KUOMAN Industry Limited is a technology-driven enterprise specializing in the R&D, supply, marketing, and export of new energy products. We are dedicated to delivering sustainable solutions...
