SPECIFICATIONS Type: MFDIN75 Volt: 12V Size: 273*175*190mmmm Capacity: 75 Ah CCA: 600A Reserve capacity: 139 min Passed the certification of CE, ISO9001 and TS16949, RoHS and so on Our Battery Advantage: -Calcium-Calcium technology -Extra long service life -Better resistance to vibrations -Reliable and safe performance -Maintenance-free, leakage and spill proof -Excellent starting performance at cold temperatures -Low self-discharge and water consumption Our Facotry FAQ Q1: What is your terms of payment? A: 30% deposit in advance, 70% balance pay off against the copy of bill of loading.We'll show you the photos of the products and packages before you pay the balance. Q2: What's kinds of battery will you provide? A: We have three type battery: There are many different model battery here, we can supply 2v 100ah-3000ah battery, 4v 0.25ah-4v 4.5ah battery, 6v 1.3ah-6v 12ah battery, 12v 0.8ah-12v 250ah battery. Q3: Operating temperature A: Discharge: -15--40C Charge: 0--40C Storage:-15--40C Q4: Can you print my logo on the battery cover? A: Yes, OEM is available,we can print your logo on the battery case, and you can offer your logo. Q5: How to maintain the battery? A:The battery should be stored in clean, dry, ventilated, dark environment when not using, keep it after full charge, recharge it every 3 months or 6 months. Q6: If a battery fails, what will be the indications? A: 1.Lower performance 2.Low voltage 3.Cannot charge/recharge 4.Swelled container 5.Acid corrosion Q7: How can you tell if a battery is good or bad? A: You should first check the battery for defects such as a broken circuit, a short, or a broken container. If an outward problem is not apparent, then you will have to check the battery's capacity using known measuring techniques to ascertain the problem. Q8: Why "zero voltage" might happen? A: Zero voltage means there is a broken circuit. There could be several reasons for a zero voltage state. 1.There could be a broken electrode column 2.Welding defects of the partition 3.Welding defects of the terminal JUST BATTERY, ANYTIME,ANYWHERE, JUST WITH YOU!