invt GRP5.12-WLV Low Voltage Battery Low Voltage Battery Instruction Manual

GRP5.12-WLV Low Voltage Battery Low Voltage Battery

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Specifications

• Model: GRP5.12-WLV

• Operating Voltage Range: 45.6~56.16V

• Designed for: Residential energy storage applications

• Compatibility: Works with 48V battery hybrid inverter

• BMS: Built-in Battery Management System

• Protection Functions: Over-discharge, over-charge,
  over-current, high/low temperature

• Maximum Parallel Connection: 15 units

Product Overview

GRP5.12-WLV is a lithium battery designed for residential energy
storage applications, with an operating voltage range between
45.6~56.16V. It works with a 48V battery hybrid inverter and
features a built-in Battery Management System (BMS) for cell
monitoring and management.

BMS Features:

• Manage and monitor cell information (voltage, current,
  temperature)

• Balance cells charging to extend cycle life

• Protection functions against over-discharge, over-charge,
  over-current, high/low temperature

• Automatic management of charge state, discharge state, and
  balance state

Parallel Connection:

Multiple GRP5.12-WLV units can be connected in parallel to
expand capacity and power, with a maximum of 15 units in
parallel.

Product Usage Instructions

Switch ON/OFF

Switch ON:

1. For a single GRP5.12-WLV:

   • Turn on the air switch.

   • Press the circular weak current switch for more than 3
     seconds.

   • The LED will flash, indicating the battery is working
     normally.

   • L1 to L6 display the battery SOC, while L7/L8 indicate the
     battery status.

2. For multiple GRP5.12-WLV in parallel:

   • Switch on circular weak current switch on all batteries.

   • Long press (more than 3 seconds) ON/OFF button of the MASTER
     battery.

   • The LED will flash, and the system will automatically manage
     and assign IDs to each slave battery.

Switch OFF:

1. For a single GRP5.12-WLV:

   • Turn off the Circular weak current switch.

2. For multiple GRP5.12-WLV in parallel:

   • Turn off the Circular weak current switch on the main battery
     first.

   • Then turn off the Circular weak current switch on all
     subordinate batteries.

FAQ

Q: Can GRP5.12-WLV be used with life-sustaining medical

devices?

A: No, GRP5.12-WLV is not suitable for supporting
life-sustaining medical devices.

Q: What is the maximum number of GRP5.12-WLV units that can be

connected in parallel?

A: The maximum number of GRP5.12-WLV units that can be connected
in parallel is 15.

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V1.1-20231203

GRP5.12-WLV

GRP5.12-WLV Operation Manual

CONTENTS

1 Technical Data

2 Product Overview

2.1 2.2 2.2.1 2.2.2 2.2.3 2.2.4

Brief Introduction Interface Introduction Switch ON/OFF LED Indicator Definition CAN / RS485 Port RS232 Port

3 Installation Guide

3.1

Checking Before Installation

3.1.1 3.1.2 3.2

Checking Outer Packing Materials Checking Deliverables Tools

3.3 3.3.1

Installation requirements Installation environment requirements

3.3.2 3.4 3.4.1 3.4.2

Installation carrier requirements Installation Instructions Dimensions Installation Procedure

4 Maintenance 4.1 Recharge Requirements During Normal Storage 4.2 Recharge Requirements When Over Discharged

1-2
3 3 4 4-5 5-6 6 6
7 7 7 7-8 9 9 9 9 10 10 11-14
15 15 16

TECHNICAL DATA
NOTE Operating current derating according to cell voltage and battery temperature.

01

02

PRODUCT OVERVIEW
2.1 Brief Introduction

2.2 Interface Introduction

PRODUCT OVERVIEW GRP5.12-WLV is a lithium battery with an operating voltage range between 45.6~56.16V. It is designed for residential energy storage applications and works together with a 48v battery hybrid inverter. GRP5.12-WLV is not suitable for supporting life-sustaining medical devices.
GRP5.12-WLV has built-in BMS (Battery Management System), which can manage and monitor cells information including voltage, current and temperature. Besides that, BMS can balance cells charging to extend cycle life. BMS has protection functions including over-discharge, over-charge, over-current and high/low temperature; the system can automatically manage charge state, discharge state and balance state.
Multiple GRP5.12-WLV can be connected in parallel to expand capacity and power,15 GRP5.12-WLV can be connected in parallel at most.
03

2.2.1 Switch ON/OFF
1. Switch ON Turn on a single GRP5.12-WLV, turn on the air switch, then press the circular weak current switch (more than 3 seconds) on / off button, the LED flashes and the battery works normally. L1 to L6 display the battery SOC,L7/L8 to indicate the battery status.
For multiple GRP5.12-WLV in parallel, switch ON circular weak current switch on all batteries, long press (more than 3 seconds) ON/OFF button of MASTER battery, LED will flash. battery system will automatically encode and assign lD to each slave battery, then battery system will operate normally.
04

Press the Circular weak current switch of the master pack for more than 3 seconds and then release the button. When all slave pack are closed, the master pack will be closed (sleep mode). For a single GRP5.12-WLV, turn off the Circular weak current switch. For multiple GRP5.12-WLV in parallel, turn off the Circular weak current switch on the main battery first. Then turn off the Circular weak current switch on all subordinate batteries

2VBOUJU Battery box
Wall mounting bracket Hanging bracket
Bottom support bracket
Connet cable

2VBOUJU Ground screw
Desiccant User manual Outgoing Inspection Report

3.2 Tools
Model

Knife

Tools Measuring tape

Socket wrench 10/16mm

Installation

Rubber mallet Cross Screwdriver

Hammer drill10mm

ESD gloves

Safety goggles

Anti-dust respirator

Protection

Safety shoes

3.3 Installation requirements
3.3.1 Installation environment requirements · Install the battery in the indoor environment. · Place battery in secure location away from children and animals. · Do not place the battery near any heat sources and avoid sparks. · Do not expose the battery to moisture or liquids. · Do not expose the battery to direct sunlight.
3.3.2 Installation carrier requirements · Only mount battery on fire resistant building. Do not install batteries on flammable
buildings. · Battery is quite heavy, make sure the wall/ground can meet the load bearing
requirements.
09

3.4 Installation Instructions
3.4.1 Dimensions
520

470

141.5
Minimum mounting distance between battery pack and equipment:

150mm

150mm

150mm

150mm

150mm

150mm

150mm 150mm

10

3.4.2 Installation Procedure
STEP 1 Drill the hole with an 10mm drill bit as follows and fix the wall bracket to the wall.

STEP 3 Hang GRP5.12-WLV on the wall bracket and tighten it.
Fastening Screw(M4*20)

STEP 2 Install the hanging bracket.

Hanging bracket(M6*16)

Bottom bracket (M6*16)

STEP 4 Connect to ground.
PE

11

12

STEP 5 Connect power cable.
to Inverter Bto Inverter B+
STEP 6 Connect communication cable.

STEP 7 When multiple batteries are connected in parallel, follow the following wiring mode.

MASTER

to Inverter

to Inverter

SLAVE

SLAVE

to Inverter

to Inverter

Link in CAN
to Inverter CAN port
Link out S232

13

14

to Inverter to Inverter

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