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54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 2 Genesis® NP & NPX Battery Series Application Manual Table of contents Introduction 2 Technical Features 3 Applications 4 Battery Construction 4 Today’s Genesis NP Battety series is General Specifications NP Series 5 the culmination of more than ten Range Summary Layout Terminal Configurations 6 Battery Capacity Selection Charts 7 TM ® decades of battery manufacturing experience.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 3 TM Technical Features Construction Benefit The construction and sealing techniques of the Genesis NP battery guarantees leakproof operation in any position except inverted, with no adverse effect to capacity or service life.
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4153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 5 General Specifications Genesis® NP Battery Series GENESIS® NP BATTERY SERIES NP1-6FR Nominal Capacity (20 hr rate - Ah) 1.0 NP1.2-6 NP1.2-6FR 1.2 NP2.8-6 NP2.8-6FR 2.8 67.0 2.64 33.0 1.30 105.0 4.13 0.59 1.30 5 NP3-6FR 3.0 134.0 5.28 33.0 1.30 67.0 2.64 0.69 1.53 1 A NP3.2-6 NP3.2-6FR 3.2 66.0 2.60 33.0 1.30 104.0 4.09 0.59 1.30 5 A NP3.8-6 NP3.8-6FR 3.8 66.0 2.60 33.0 1.30 125.0 4.92 0.75 1.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 6 Range Summary • LAYOUT • TERMINAL INCH = MM Faston Tab: 187 Faston Tab: 187 INCH = MM INCH = MM INCH = MM Faston Tab: 250 M5 Bolt Fastened Terminal INCH = MM INCH = MM M5Threaded Receptacle M6 Bolt Fastened Terminal INCH = MM INCH = MM M8 Bolt Fastened Terminal Tyco. 1-480318-0 JST No.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 7 Battery Capacity Selection Discharge Figure 1 may be used to determine battery size (expressed in Ampere Hours of capacity), for a specific application. To determine the capacity of the battery, establish the discharge current for the length of discharge time required. The point where the current and time lines intersect is the minimum capacity battery needed for the application.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 8 Table 1. Discharge Current at Stipulated Discharge Rates Genesis® NP Battery Type NP0.8-12 NP1-6 NP1.2-12,NP1.2-6 NP2-12 NP2.3-12 NP2.6-12 NP2.8-6 NP2.9-12 NP3-6,NP3-12 NP3.2-6 NP3.4-12 NP3.8-6 NP4-6,NP4-12 NP4.5-6,NP4.5-12 NP5-6,NP5-12 NP7-6,NP7-12 NP8.5-6 NP10-6 NP12-6,NP12-12 NP18-12 NP24-12 NP33-12 NP35-12 NP38-12 NP55-12 NP65-12 NP75-12 NP90-12 NP100-12 NP120-12 NP150-12 NP200-12 20 Hr. Cap. (A) 0.8 A 1.0 1.2 2.0 2.3 2.6 2.8 2.9 3.0 3.2 3.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 9 Over-Discharge (Deep Discharge) The dotted line in Figure 3 indicates the lowest recommended voltage under load, or cut-off voltage, at various discharge rates. In general, lead acid batteries are damaged in terms of capacity and service life if discharged below the recommended cut-off voltages. It is generally recognized that all lead calcium alloy grid batteries are subject to over-discharge damage.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 10 Charging Two Step Constant Voltage Charging Proper charging is one of the most important factors to consider when using maintenance free sealed lead-acid batteries. Battery performance and service life will be directly affected by the efficiency of the charger selected.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:45 PM Page 11 Charging Voltage Refresh Charging The charging voltage should be regulated according to the type of service in which the battery will be used. Generally, the following voltages are used at 25˚C (77˚F). Since any battery loses capacity through self-discharge, it is recommended that “refresh charging” be applied to any battery which has been stored for a long period of time, prior to putting the battery into service.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:46 PM Page 12 Solar Powered Charging A battery is an indispensable component of any solar powered system designed for demand-energy use. Since solar cells have inherent constant voltage characteristics, Genesis NP batteries can be charged directly from the solar array using a simple diode regulated circuit as shown in Figure 10.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:46 PM Page 13 Expected Service Life of Genesis NP Batteries Cyclic Service Life There are a number of factors that will effect the length of cyclic service of a battery. The most significant are ambient operating temperature, discharge rate, depth of discharge, and the manner in which the battery is recharged. Generally speaking, the most important factor is depth of discharge. Figure 11 illustrates the effects of depth of discharge on cyclic life.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:46 PM Page 14 Tips and Precautions Genesis® NP Series batteries are truly efficient maintenance free electro-chemical systems and are designed to provide years of trouble free service. Their performance and service life can be greatly maximized by observing the following guidelines. 1. Heat kills batteries. Avoid installation and/or operation in close proximity to heat sources of any kind.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:46 PM Page 15 Glossary of Terms (Continued) Cutoff Voltage The final voltage of a cell or battery at the end of charge or discharge Cycle A single charge and discharge of a cell or battery. Discharge Rate Current taken from a cell or battery and expressed as a fraction of C (Ampere-hour rating of the cell or battery). End-of-Charge Voltage The voltage reached by the cell of battery at the end-of-charge, while the charger is still attached.
54153_US_NP_AM_003.qxp:NP AppManual 1/21/11 1:46 PM Page 16 Limited Warranty: GENERAL PRODUCT LIMITED WARRANTY EnerSys Delaware Inc. (“EnerSys”) warrants Genesis® NP and DataSafe® NPX batteries against defective materials and workmanship for a period of one (1) full year from the date the battery was manufactured. A.
