NP Series 4-200Ah Sealed Maintenance Free Lead-Acid Battery

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NP Series 4-200Ah Sealed Maintenance Free Lead-Acid Battery

Sealed Maintenance Free Lead Acid Battery

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Description

Sealed Maintenance Free Lead Acid Battery

System Introduction

NP Series is a long life design (12 years) sealed lead acid  maintenance free batteries. With low calcium alloy steel  design, it can be greatly increase the reliability and life time.

System Feature

Fully sealed structure to adapt different application of control room and public area without maintenance requirement.

◆  Advance technology to eliminate frequency maintenance. 

◆  Three layer sealed structure can ensure the battery stability.

Advance VRLA technology, enhance the battery reliability and quality

◆  AGM structure and superthick grids of the stateoftheart technology to expand life of battery.

◆  High quality safe valve design.

Advance production capability and material

◆  High Level assembly production quality control to ensure battery obturation.   
◆  High Capability of storage time upto half a year without maintenance.

Special design for UPS, Inverter and Power supply systems

◆  Advanced welding and assemblage technology improve antiknock to avoid fake welding and usage.  
◆  Special chemical reaction technology for battery internal structure.

Environment

 ◆  Working Temp:30°C ~ 45°C，Normally use batteries with 10°C ~ 30°C

With lower working temperature, battery actual capacity will be reduced;with higher working temperature,  battery lifetime will be greatly reduced (Every 10°C raised，Battery lifetime reduces 30%)

Working Temperature	-20˚C	-10˚C	0˚C	10˚C	25˚C	40˚C
C20 Actual Discharge Capacity	58%	72%	85%	92%	100%	109%

◆  Storage Temp:-20°C ~ 40°C，Normally controlled within 0°C ~ 40°C

Designing Lifetime

◆  Float Charge Lifetime:       
NP Series less than 24Ah: 3 ~ 5 years(20°C to 25°C)       
NP Series more than 33Ah: 5 ~ 12 years(20°C to 25°C)

◆  Cycle Lifetime:       
NP Series cycle lifetime is 400 ~ 800 times (Power Battery can be upto 1000 Times)

Charging Feature

◆  Float Charge:float charge voltage is 2.25 ~ 2.30Vdc/cell(25°C). Float charge correction factor is -3mVdc/°C。

◆ Cycle Use:Boost Charge Voltage is 2.40~2.50Vdc/cell, 25°C) . Boost Charge voltage temp. correction factor is 4mVdc/°C. Charging current no more than (0.3C/A)
◆  Equalized Charge: Equalized Charge/pulse charge voltage is 2.30 ~ 2.35Vdc/cell @25°C

Charging Feature

◆  Float Charge:float charge voltage is 2.25 ~ 2.30Vdc/cell(25°C). Float charge correction factor is -3mVdc/°C。

Discharge Current	<0.2C (A)	<0.5C (A)	<1C (A)	<3C (A)	>3C (A)
End Discharge Voltage	10.8 Vdc	10.5 Vdc	10.2 Vdc	9.9 Vdc	9.6 Vdc

Note:Application for >3 C(A), please contact us for more information.
Note: Specs are subject to change without notice.

Note: Specs are subject to change without notice.

Self Discharge

At normal condition(20°C ~ 30°C), batteries can store upto 3 months. Self-discharge loss is less than 3%/month.

Note

◆ Please note that maintenance free doesn’t mean 100% nonmaintenance. It means user don’t need to add solvent regularly. User still needs to do proper maintenance to keep battery lifetime.  
◆  Please Keep UPS working area to be clean and tidy to prevent any possible factor that will affect the UPS service life.  
◆  In some good Mains Power Input condition areas, user should discharge & charge the battery every 36 month. (Start the UPS and shutdown the Input and let UPS work under Battery Mode until batteries are fully discharged, and then charge the battery in full cycle). This periodic operation can ensure the battery service life.