Related Manuals for Narada 12REXC70
Summary of Contents for Narada 12REXC70
- Page 1 LEAD-CARBON BATTERY 12REXC Series Series OPERATION MANUAL Version：V1.0 NARADA POWER SOURCE CO., LTD...
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Page 2: Table Of Contents
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 Content Safety and Warning ......................3 Chapter One Introduction of 12REXC series ............... 4 1. Product Characters ....................4 2. Main applications ....................5 3. Configuration ....................... 5 4. Types and Dimensions ..................6 5.Lead Carbon Working Principle ................. -
Page 3: Safety And Warning
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 Safety and Warning Please read this manual! It provides very important direction for fix and operation, which can make best capability for the equipment, and elongate the using life. For your safety, please do not try to dismantle or open the equipment. The equipment does not contain any spare parts for you. -
Page 4: Chapter One Introduction Of 12Rexc Series
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 Chapter One Introduction of 12REXC series 12REXC series battery is designed for renewable energy sources such as wind power and solar system, and developed for home energy system with long life, high energy efficiency, superb security and reliability characteristic, which can be applied to energy storage system, telecom and generator, etc. -
Page 5: Main Applications
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 Combination of suppleness and rigidity for more flexible connections; 1.7 Flexible and convenient installation, slinky outside looking Shockproof blocking assembling Satisfy customer’s individual requirements and provide up to 8-class shockproof Streamline and dime-light battery outside-looking design. -
Page 6: Types And Dimensions
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 4. Types and Dimensions Table 1-1 type specifications Rated Capacity (Ah) Dimensions (mm) Rated Voltage Weight Battery Type End-volta End-volt Overall per cell (Kg) Length Width Height Height 1.80V 1.85V 12REXC70 12REXC200 79.5... -
Page 7: Chapter Two Technical Characteristic
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 negative electrode: Because of the reaction is based on double layer capacitance which caused from carbon electrode/electrolyte interface, thereby the lead carbon battery has part characteristic of super capacitors. Thus the lead carbon battery can possess large current and long cycle life performances. -
Page 8: Charge Curve
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 Fig.2-1 Discharge characteristic curve 2. Charge Curve Fig.2-2 Recharge characteristics of 12REXC battery with current of 0.1C A and limit voltage of 2.30V/cell (25℃). The 100% DOD battery can be recharged 105% of capacity after charging for 24 hours. - Page 9 Narada Power Source Co., Ltd. 12REXC operation manual V1.0 Table3-1 Home energy storage system parameter setup table (48V system) Parameter name Unit Grid Off-grid V/cell Floating Voltage per cell 2.30 2.30 V/cell Equalization Voltage per cell 2.25 2.25 A/cell Charging Current 0.1C...
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Page 10: Capacity And Influence Factor
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 44.9 ≤I＜0.1C 1.87 0.05C 43.92 ≤I＜0.2C 0.1C 1.83 42.0 ≤I＜0.5C 1.75 0.2C If the battery is not recharged in time after discharge, or the power is off again during recharge, the insufficient-charged batteries will be frequently discharge, thus the batteries will lose part of capacity in short period. - Page 11 Narada Power Source Co., Ltd. 12REXC operation manual V1.0 capacity will increase 5% if temperature raises from 25℃ to 35℃. But when the temperature go up further, the capacity will increase slowly, and at last stop increasing. However, high temperature will quicken up plates’ corrosion and cause water loss, thus shortens battery’s life.
- Page 12 Narada Power Source Co., Ltd. 12REXC operation manual V1.0 Floating and equalization setting voltage at different temperature Temperature (℃) Fig. 3－2 The Voltage Setting Curve Vs. Ambient Temperature If the voltage lower than 2.225 or higher than 2.35 after temperature correction, the suggesting adopted can be charging by 2.25V or 2.35V directly without using temperature compensation.
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Page 13: Requirement For Charge
These data cannot replace loading test to judge whether battery is good. Narada recommend to test these data on the surface or side of battery post. If there are several pairs of post, please test on nearest pair of post. - Page 14 Narada Power Source Co., Ltd. 12REXC operation manual V1.0 4.2 Charge after discharge After discharge, the batteries should be charged in time. The charge method is constant current limit voltage as follows: charge with constant current of 0.1C A～0.20C A till the average voltage reaches a certain voltage, then keep charging with this voltage, meanwhile, the current is reduced, till the charge finished.
- Page 15 Narada Power Source Co., Ltd. 12REXC operation manual V1.0 3 Charging current limited: 0.05C 4 Cut-off condition: the charging current is less than 0.005C with another extended 3 hours or charging time reached 24 hours (alternative); Recharging procedure 1 Connect the batteries in series with cables or copper bars, and make sure that all...
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Page 16: Storage
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 In case of without mains supply, should cut off the load, then the solar and wind generating can charge the battery, but maximum limited voltage 2.30V/cell, maximum current 0.20 C A. The battery fully charged on condition that the charging current is less than 0.005C... -
Page 17: After-Sales Service / Customer Service Hotline
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 temperature), the battery system will in an insufficient charge state for a long period of time. When the electricity is out, the battery may not be able to work because the acid is satirized and the capacity is decreased. -
Page 18: Annex 1
Narada Power Source Co., Ltd. 12REXC operation manual V1.0 Annex 1 VRLA Battery Regular Maintenance Record Type Place Status Number of battery Current (A) Temperature Total Voltage（V） Voltage（V） Voltage（V） Check by sight Result: Tester: Date:...