Instead of installing a 1000Ah battery bank and running your diesel for six hours, you can install a 500Ah TPPL bank and charge more frequently, but faster.
These batteries add intriguing options for long distance cruisers. Not only do they charge incredibly quickly, but they're capable of 400 charge/discharge cycles with an amazing 80% depth of discharge.
Combining the pure lead's low electrical resistance and greater surface area from more and thinner lead plates, they can accept much higher charging amperage that typical AGM batteries. They're made from 99.99% pure lead that's rolled (not cast) into thin plates. NorthStar TPPL batteries are among the most advanced AGM batteries in the world. Thin Plate Pure Lead (TPPL) and Lithium (Li NMC) Batteries: New technologies require new ways of thinking about your boat's battery system. They need carefully regulated smart charging to prevent damage. Gel batteries, because they’re sealed, are manufactured to very high quality standards. The SVR design nearly eliminates gassing, so they are safer to install around people and sensitive electronics (but gel and AGM batteries still need to be vented). A pressure release valve keeps their internal pressure at a slightly positive level, but they can release excess pressure if needed. They self-discharge at only 3% per month, handle the highest number of lifetime charging cycles, and are maintenance free, spill-proof, submersible and leak-proof. Gel Batteries: Sealed Valve-Regulated (SVR) gelled-electrolyte batteries offer advantages over regular flooded batteries. Long life, a low 3% self-discharge rate and outstanding performance make AGM batteries excellent dual-purpose batteries for boaters who require the fastest recharging, quick starting power and reliable deep cycle ability. High-density AGM batteries have lower internal resistance, allowing greater starting power and charge acceptance, up to 40% of the battery’s total capacity, and quicker recharging than other types of deep cycle batteries. In addition to providing equal saturation across the entire surface of the battery’s positive and negative plates, the fibers in the dense glass mats embed themselves into the plates’ surface like reinforcing rods in concrete, providing more plate support and better shock and vibration protection than in conventional batteries. During charging, precision pressure valves allow oxygen produced on the positive plate to migrate to the negative plate and recombine with the hydrogen, producing water. These high-performance styles include gel batteries, Absorbed Glass Mat (AGM) and different chemistries of lithium-ion batteries.ĪGM Batteries: Sealed Valve-Regulated AGM batteries feature fine, highly porous microfiber glass separators compressed tightly between the battery’s positive and negative plates, which are saturated with just enough acid electrolyte to activate the battery. Newer styles of marine batteries are sealed and do not require you to ever add distilled water.
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