Product Name: 12V4ah High Quality Maintenance Free Mf Lead Acid Solar Battery Model NO.: NP4-12 Rechargeable: Chargeable Installation: Packaged Electrolyte: Acid Shape: Square Battery Discharge Rate: Medium Discharge Rate Nominal Voltage: 12V Usage: Lighting Type: Lead-Acid Batteries Size: 90*70*100mm Weight: 1.25kg Color: Black Delivery Time: 10-15 Days Design Life: 5 Years Trademark: JALON, OEM Acceptable Transport Package: Carton Specification: CE, CO, SGS, ISO Origin: China HS Code: 85072000 Product Description High Quality Maintenance Free Mf Battery (12V4Ah)Model: NP4-12Size :90*70*97 mmWeight :31.8 kgColor :BlackDelivery time:10-15 daysDesigned life: 5 yearsGuarantee: 1 yearBrand :JALON ,OEM is acceptableCertificate: CE, UL, SGS, COC, ISO9001Special specification can be customized, also can print your logo.JALON-NP Series batteries are specially designed for high rate discharge requirements, compared with the conventional models, it give 25% more wattage for a short duration of discharge. 5-7 years design life in stand by application. It uses particular alloy and material technology design to ensure a excellent performance in various environent.This is our factory.Battery Features- Sealed and maintenance free operation- Deep cycle long life design- Safety valve installation for explosion proof.- High quality and high reliability.- Deep discharge recovery performance.- Low self discharge characteristic.- Good Renewal Ability after Deep Discharge- Safe and non-spillable- High Recharging EfficingApplication- Solar System, wind sytem- Cable Television, toy- Communication Equipment- LED light, UPS- Emergency Power System- Telecommunication equipment system- Emergency lighting- Security systemWhy Chose Us:1. As a specialized manufacturerWe possess our own lead-plate production line, which is the core technology for Lead Acid Battery.Most important, we adopt advanced green formation technology,which can greatly decrease the effect to the environment comparing to the tank formation technology.With high tin ratio inside the lead plate, we can greatly increase the battery life cycle.2. As a qualified supplier in the worldWe possess the following certificateISO9001--Issued by SGS, ISO14001--Issued by SGS, OHSAS 18001, CE, UL and TLCWith completely quality control system and production management system,we do control the product quality and production efficiency very well.3. As a mid-scale manufacturer in ChinaAs a 200 employees company, we can not only support you with quick delivery but also satisfy you with customized service.4. As a21 years history factoryWe can support you esteemed company with experienced professional team and reputable market reputation.Any question, please don't hesitate to contact us.SPECIFICATIonSNominal Voltage12 VRated Capacity (10 hour rate)4AHDimensions(Length*Width*Height*Total Height)/mm90*70*100*106mmWeight Approx1.25kgCHARACTERIESTICSInternal ResistanceFully charged battery at 25° C8 mΩCapacity affected by temperature(20 hour rate)40° C25° C0° C-15° C102%100%85%65%Self-DischargeAt 25° CCapacity after 3 month storageCapacity after 6 month storageCapacity after 12 month storage91%82%64%Terminal TypeT9 or T16Charge(Constant Voltage)Cycle useInitial Charging Current less than 16 AVoltage 14.40~15.00VFloat useVoltage 13.50~13.80V