NP2.1-12

## **NP-Series - Valve Regulated Lead Acid Battery** 

## **NP2.1-12** 

~~Cn~~ SPECIFICATIONS ~~ee~~ Nominal voltage 12 V 20-hr rate Capacity to 1.75VPC at 20°C ~~|~~ 2.1 Ah ~~oo~~ 10-hr rate Capacity to 1.75VPC at 20°C 1.9 Ah ~~Cn~~ DIMENSIONS Length 178 (±1) mm Width 34 (±1) mm Height mm (height over terminals) 64 (±2) mm Mass (typical) 0.82 kg ~~Cn~~ TERMINAL TYPE ~~a~~ FASTON (Quickfit / release) 4.75 mm ~~Cn~~ OPERATING TEMPERATURE RANGE ~~a~~ Storage -20°C to +60°C ~~a~~ Charge -15°C to +50°C ~~a~~ Discharge -20°C to +60°C LAYOUT ~~CO~~ STORAGE ~~a~~ Capacity loss per month at 20°C (approx) 3 % ~~Ce~~ CASE MATERIAL ~~a~~ Standard Option ABS (UL.94:HB) ~~nn~~ Flame retardant option (FR) ABS (UL94:V0) ~~Ce~~ CHARGE VOLTAGE 13.65 (±1%) V ~~ee~~ Float charge voltage at 20°C 2.275 (±1%) V/cell Float Charge voltage temperature correction factor -3 mV/cell/°C ~~ee~~ (for variations from the standard 20°C) 14.5 (±3%) V Cyclic (or Boost) charge at 20°C 2.42 (±3%) V/cell Cyclic Charge voltage temperature correction factor -4 mV/cell/°C ~~es~~ (for variations from the standard 20°C) ~~|~~ CHARGE CURRENT ~~a~~ Float charge current limit No limit A ~~a~~ Cyclic (or Boost) charge current limit 0.525 A ~~OO~~ MAXIMUM DISCHARGE CURRENT ~~a~~ 1 second 63 A ~~a~~ 1 minute 21 A ~~Ce~~ SHORT-CIRCUIT CURRENT & INTERNAL RESISTANCE ~~|~~ **(according to EN IEC 60896-21)** Internal resistance N/A mΩ ~~a~~ Short-Circuit current N/A A ~~|a~~ IMPEDANCE Measured at 1 kHz 90 mΩ PERFORMANCE & CHARACTERISTICS ~~| a~~ Refer to the technical manual NP ~~|~~ DESIGN LIFE ~~a~~ EUROBAT Classification: Standard Commercial 3 to 5 years IEC61056 ~~a~~ Yuasa design life @ 20°C up to 5 years ~~|~~ SAFETY **Installation** Can be installed and operated in any orientation except permanently inverted **Handles** ~~———@~~ Batteries must not be suspended by their handles (where fitted) **Vent valves** Each cell is fitted with a low pressure release valve to allow gasses to escape and then reseal. 

## **3RD PARTY CERTIFICATIONS** 

ISO 9001 - Quality Management Systems ISO 14001 - Environmental Management Systems EN 18001 - OHSAS Management Systems UNDERWRITERS LABORATORIES Inc. VdS (Germany) - VdS No: G100012 

## **STANDARDS** 

ALL DATA IS SUBJECT TO CHANGE WITHOUT NOTICE Issue No.: V.2 / Issue Date: March 2011 YUASA BATTERY SALES UK LTD. Unit 13, Hunts Rise South Marston Industrial Estate Swindon SN3 4TG 

## **Gas Release** 

VRLA Batteries release hydrogen gas which can form explosive mixtures in air. Do not place inside a sealed container 

## **Recycling** 

YUASA's VRLA batteries must be recycled at the end of life in accordance with local and national laws and regulations