Full Protection BMS & High CCA The Litime 12V 20Ah cranking battery is the ultimate lithium starter for starting all fuel-powered outboard motors to 135 HP. Its BMS features triple protection against dust, water, and salt spray and 100% full protection against overcharging, over-discharging, over-current, overheating, and short circuits. CCA: 650A, MCA: 810A,0℃;HCA: 900A.Performing in all weather conditions it delivers a high starting current and conveniently charges via the alternator of an outboard. 

EV-Grade Starting Cells &Top Performance Engineered for excellence, this battery boasts an impressive over 5000 cranking times, utilizing EV-grade starting LiFePO4 cells. With IP67 water & dust-proof protection, it is upgraded with a low-temperature cut-off function to ensure safe use in low-temperature environments. Designed for harsh environments such as rainy or marine, or dusty and wet conditions, this battery offers worry-free and long-lasting performance with an extended lifespan.in addition to marine starting scenarios, it can also be additionally adapted to fuel-powered riding lawnmowers.

Perfect Replacement for Lead-acid Starting Batteries LiTime 12V 20Ah lithium iron phosphate marine starting battery adopts automotive grade lithium iron phosphate starting cells, which have higher energy density compared to lead-acid batteries. This means more power in a compact size, ideal for powering your devices while reducing the environmental impact. It weighs 9.68 lbs and is BCI Group U1 size. Its lightweight can lessen the burden of your boat so that you can drive it smoother, faster, and more maneuverable. Besides, one LiTime LiFePO4 battery can release 256Wh of energy, which provides you with 2X energy of lead-acid batteries.

Three Fast Charging Ways With the LiTime 12V 20Ah starting battery, you can choose from three convenient charging options to suit your needs. Whether you use a LiFePO4 battery charger,  generator, or outboard alternator, you can fully charge your battery efficiently and reliably. We recommend 0.5C(10A) charging current, about 2 hours to charge fully. And only 40 minutes to fully charge if charged with a maximum continuous charge current of 1.5C (30A).Compared with lead-acid battery charging (usually charging current is 0.1C), the max. The charging current of the LiFePO4 battery can shorten the charging time by 15 times, so it can be charged with more power in a shorter period, which can satisfy the demand of going out in a hurry.

Certified & Reliable Service As an official ABYC member, LiTime is dedicated to continuous innovation and ensuring the highest product quality.  Our 12V 20Ah marine starting LiFePO4 battery is rigorously UL1973 tested and certified by FCC, CE, RoHS, and UN38.3. We offer 5 years warranty for Litime LiFePO4 batteries. With local warehouses in CA, TX, PA, and GA, we will be able to minimize the delivery time to 1-3 working days. Please be advised, that the actual delivery time will be affected by the stock situation. Feel free to contact us to get the stock situation of your nearest warehouse. We provide a strong battery package, quick delivery as well as 24-hour timely customer support.

Something You Should Know Before Purchasing The Litime 12V 20Ah marine starting battery is only suitable for starting fuel-powered outboard motors and fuel-powered riding lawnmowers. DO NOT use it as a starter battery for any type of vehicle, such as cars, RVs, motorbikes, tractors, and so on. In addition, it is only for 12V starting use and does not support series and parallel connections. If you want to start an outboard motor over 135 HP with this item, please provide us with the required CCA of the motor and the charging current of the outboard alternator, we will help you check if it will support you.

Precautions for Use If OT terminals are attached directly with screws and their thickness is less than 2mm, add gaskets for lock attachment to prevent loosening and overheating. The same applies to clamps.