Sunrover 280ah Lithium 48V Portable-Power-Stations Battery Solar Power System for Home Factory

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Product Description

Basic Specifications

Model NO.
51.2V 280AH
Nominal Capacity
280ah
Cycle Life
6500 cycles
Cooling
Natural / Air-cooled
Safety Standards
Un38.3, MSDS
Voltage Range
42-58.4V
Certificates
CE, IEC62619, GB/T 36276
Transport Package
Wooden Case
Specification
435*234*800mm
Origin
China
HS Code
8507600090
Production Capacity
50000PCS/Month

Product Description

Lithium Battery Specification Overview
NO. Item Specification Remark
1Nominal voltage(V)51.2
2Minimal working voltage(V)43.2T>0ºC @cell 2.7V
3Maximum working voltage(V)58.4T>0ºC @cell 3.65V
4Configuration mode1P16S
5Rated capacity(kWh)14.33625±2ºC, 0.5C
6Weight(kg)110±2(KGS)
7Temp Collection Points8(TBD)PCS/box
8Energy density (Wh/Kg)≥135(TBD)
9Rated capacity(Ah)2800.5C discharge current, 25±2ºC
10Cycle life≥6000 times25±2ºC, 0.5C/0.5C, SOC 5%~95%
11Max Continuous Charging (A)140A/0.5C20~35ºC, SOC: 0~90%
12Max Pulse Charging (30s)1C25~35ºC, SOC: 0~80%
13Max Continuous Discharge (A)140A/0.5C15~35ºC, SOC: 10%~100%
14Max Pulse Discharge (30s)1C20~35ºC, SOC: 20%~100%
15Self-discharge rate≤3 %/month25±2ºC, 30%SOC
16Storage temperature(ºC)0~45ºC, RH≤65%Storage ≤3 months
17Insulation grade(MΩ)≥1000Total positive/negative to ground
18Battery case IP GradeIP20
19Cooling methodAir-cooled
20Shipment SOC30%±5%
21Product size(mm)435*234*800
22CertificateGB/T 36276-2018

Certificates

Product Certificates Overview

Frequently Asked Questions

What is the cycle life of the 51.2V 280Ah battery?
The battery offers a long cycle life of ≥6000 cycles at 25±2ºC, with 0.5C charge/discharge rates and 80% capacity retention.
What are the dimensions and weight of this unit?
The battery measures 435*234*800mm and weighs approximately 110±2 kg.
Is the battery safe and certified?
Yes, it meets high safety standards including UN38.3 and MSDS, and carries certificates such as CE, IEC62619, and GB/T 36276-2018.
What is the recommended storage environment?
It should be stored at temperatures between 0~45ºC with relative humidity ≤65%. For long-term storage, keep the SOC between 20%~50%.
What cooling method does the battery use?
The system utilizes natural air-cooling to maintain optimal operating temperatures efficiently.
What is the maximum continuous charging current?
The maximum continuous charging current is 140A (0.5C) under standard temperature conditions (20~35ºC).

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