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Narada 12REXC200 Operation Manual

Manual is about: 12REXC Series Lead-Carbon Battery

Summary of 12REXC200

  • Page 1

    Lead-carbon battery operation manual version：v1.0 narada power source co., ltd 12rexc series series.

  • Page 2

    Narada power source co., ltd. 12rexc operation manual v1.0 2 content safety and warning ......................................................................................................... 3 chapter one introduction of 12rexc series .................................................................

  • Page 3

    Narada power source co., ltd. 12rexc operation manual v1.0 3 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 ope...

  • Page 4

    Narada power source co., ltd. 12rexc operation manual v1.0 4 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 ...

  • Page 5

    Narada power source co., ltd. 12rexc operation manual v1.0 5 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 shoc...

  • Page 6

    Narada power source co., ltd. 12rexc operation manual v1.0 6 4. Types and dimensions table 1-1 type specifications battery type rated voltage per cell (v) rated capacity (ah) dimensions (mm) weight (kg) c 10 c 100 length width height overall height end-volta ge 1.80v end-volt age 1.85v 12rexc70 2 60...

  • Page 7

    Narada power source co., ltd. 12rexc operation manual v1.0 7 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 ba...

  • Page 8

    Narada power source co., ltd. 12rexc operation manual v1.0 8 fig.2-1 discharge characteristic curve 2. Charge curve fig.2-2 recharge characteristics of 12rexc battery with current of 0.1c 10 a and limit voltage of 2.30v/cell (25℃). The 100% dod battery can be recharged 105% of capacity after chargin...

  • Page 9

    Narada power source co., ltd. 12rexc operation manual v1.0 9 table3-1 home energy storage system parameter setup table (48v system) parameter name unit grid off-grid floating voltage per cell v/cell 2.30 2.30 equalization voltage per cell v/cell 2.25 2.25 charging current a/cell 0.1c 10 0.2c 10 disc...

  • Page 10

    Narada power source co., ltd. 12rexc operation manual v1.0 10 0.05c 10 ≤i＜0.1c 10 1.87 44.9 0.1c 10 ≤i＜0.2c 10 1.83 43.92 0.2c 10 ≤i＜0.5c 10 1.75 42.0 if the battery is not recharged in time after discharge, or the power is off again during recharge, the insufficient-charged batteries will be freque...

  • Page 11

    Narada power source co., ltd. 12rexc operation manual v1.0 11 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...

  • Page 12

    Narada power source co., ltd. 12rexc operation manual v1.0 12 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 compe...

  • Page 13

    Narada power source co., ltd. 12rexc operation manual v1.0 13 l t is designed life at t ambient temperature l 25 is designed life at 25℃ ambient temperature ambient temperature elevating, also will accelerate the battery grids corrosion and the battery water loss, thus will greatly reduce the batter...

  • Page 14

    Narada power source co., ltd. 12rexc operation manual v1.0 14 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 10 a～0.20c 10 a till the average voltage reaches a c...

  • Page 15

    Narada power source co., ltd. 12rexc operation manual v1.0 15 3 charging current limited: 0.05c 10 a; 4 cut-off condition: the charging current is less than 0.005c 10 with another extended 3 hours or charging time reached 24 hours (alternative);  recharging procedure 1 connect the batteries in seri...

  • Page 16

    Narada power source co., ltd. 12rexc operation manual v1.0 16 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 10 a. The battery fully charged on condition that the char...

  • Page 17

    Narada power source co., ltd. 12rexc operation manual v1.0 17 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. Over charge if ...

  • Page 18

    Narada power source co., ltd. 12rexc operation manual v1.0 18 annex 1 vrla battery regular maintenance record type place status number of battery total voltage（v） current (a) temperature no. Voltage（v） no. Voltage（v） 1 13 2 14 3 15 4 16 5 17 6 18 7 19 8 20 9 21 10 22 11 23 12 24 check by sight resul...