Deep Cycle Marine Battery

NorthStar NSB-AGM-27M Battery

northstar nsb agm 27m mNorthStar NSB-AGM-27M Battery is dual purpose, AGM marine battery with excellent starting performances in cold and warm weather.

When used as deep cycle battery, it can be used as trolling motor battery, RV house battery, boat/yacht cabin battery, but also for powering various other electric/electronic devices and units.

NorthStar NSB-AGM-27M Battery is designed to be non-spill battery, operated in any position, with increased resistance to vibrations and mechanical shocks.

Published: February 14, 2019.

 NorthStar NSB-AGM-27M Battery Features, Specifications and Performances

NorthStar NSB-AGM-27M Battery is BCI Group 27 AGM marine battery, with physical dimensions of (H x W x L) 8.86 x 6.77 x 12.44 inches (225 x 172 x 316 mm) and weight of 68 pounds (30.8 kg).

It is maintenance free AGM battery, built using pure lead dencly packet flat plates, providing both large plate surface and sturdy construction.

As typical marine battery, it features double set of terminals - Marine/SAE, allowing it to be used in both marine and automotive applications.

NorthStar NSB-AGM-27M Battery nominal capacity is 92 Ah - when it is being discharged for 20 hours, down to 1.75 volts per cell (10.5 volts).

Note: some manufacturers measure 20h capacity with the battery being discharged down to 10.05 volts, which is not 'cheating', but ...

NorthStar NSB-AGM-27M Battery feature excellent starting characteristics: 930 CCA, 1080 MCA and 1750 PHCA (5 sec pulse).

Also, when being used as trolling motor battery, or when being powering similar device(s), NorthStar NSB-AGM-27M can provide, for example, 25 Amps for 195 minutes (3 hours and 15 minutes) - for short, it features RC of 195 minutes, which is good for a battery with good starting features.

As a deep discharge battery, cycle use battery or even as a deep cycle battery, NorthStar NSB-AGM-27M can withstand 900 cycles down to 50% and 800 cycles down to 80% depth of discharge, making it one of the sturdier dual purpose batteries.

northstar nsb agm 27m 1

 NorthStar NSB-AGM-27M vs. Other Group 27 Batteries

The following table lists several, most popular Size 27 AGM batteries and their features and specifications:

Battery Type Capacity CCA MCA RC Weight
NorthStar NSB-AGM-27M Dual Purpose 92 Ah 930 A 1080 A 195 min 68 lbs, 30.8 kg
Optima D27M Dual Purpose 66 Ah 800 A 1000 A 140 min 54 lbs, 24.5 kg
UPG UB121000 Deep Cycle 100 Ah - - ~170 min 64 lbs, 29 kg
VMAXTANKS MR127-100 Deep Cycle 100 Ah - 800 A 200 min 68 lbs, 30.8 kg

As one can see, NorthStar NSB-AGM-27M battery is among the heaviest Size 27 batteries, but it also features excellent starting performances, combined with good low discharge current performances.

Optima D27M is lighter dual purpose battery, and although it features good overall performances, it is not as densely packed as NorthStar NSB-AGM-27M.

upg ub121000 1m VMAXTANKS MR127-100 is deep cycle battery, featuring the same or somewhat better RC value (200 min vs 195 min), and better 20h discharge values (100 Ah vs 92 Ah).

UPG UB121000 is deep discharge battery optimized for lower discharge currents and it is somewhat lighter than NorthStar NSB-AGM-27M, but features better 20h capacity (100 vs 92 Ah).

Price? Well, what you pay is what you get - price of the battery is not determined by its features shown in this and similar tables, but also by other features like sturdiness, quality of manufacture and similar.

NorthStar NSB-AGM-27M battery comes with 3-year warranty, but before purchasing, be sure to check it with the seller.

Long Story Short: If you are looking for sturdy, powerful and reliable battery, and you don't mind paying some extra more money, consider NorthStar NSB-AGM-27M battery.

It is spill-proof, AGM, maintenance free dual purpose battery, that combines both excellent starting and deep cycle performances.

It can be used in the single-battery electrical systems commonly found on small to medium boats, yachts, cars with extra electronic equipment (alarms, GPS, stereo system etc.), RV vehicles etc.

For more reviews and recommendations, check NorthStarNSB-AGM-27M Battery Amazon link (link opens in the new window).

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