Greetings from the LUASONBAY Laptop Battery store. We are a professional manufacturer in the field of power tool batteries, laptop batteries, and chargers. We have our own factory, which provides high quality, competitive cost, and superior performance batteries and the best service to customers, it's our pleasure to service you.Specification:Capacity:6.6Ah/95Wh, Voltage:14.4V Battery Type: Li-ion, Condition:100% Brand New, Cell: Grade "A++" Cell.Warranty: 2 YearsReplace Part Number:NL2024, NL2024HD, NL2024HU22, NL2024HD22, NL2024ED22, NL202X RH2024, RH2024HD34, REF369106, REF900-102, RES-900-102Compatible With the Model:For MetOne 3400 Series Laser Dust Particle Counter For MetOne 3413 Series Laser Dust Particle Counter For Lasair III 310B 310C 350L Portable particle counterFor Lasair III 5100 Aerosol Particle CounterFor Hamilton C2 C3 VentilatorFor Keysight B2987A Electrometer/High Resistance MeterWhy Choose Us? Very easy to install. Offer stronger lasting time. Good performance A++ cells. Multiple protection prevents damage to the device. Professional technical team, quick response within 24 hrs. Replace a new replacement within 2 Years if quality problem. Professional tech teams production plants, and different types of batteries are available.Something needs to be attention:To extend the battery life, please charge and discharge the battery at least once a month.Do not expose the battery to hot, humid air.Please feel free to contact us if you have any confusion or search for another type of battery.