12.8V 100Ah – Crank Series Battery


Our Crank Series batteries are our only batteries that you can charge directly from your alternator.
These lightweight batteries are the most powerful 100Ah battery on the market!
Upgrade your boat, car or any other alternator battery to our Crank Series and reap the benefits of lithium power.

Lightweight engine cranking power with up to 1800A peak discharge and 1200CCA equivalence. Crank Series can charge directly from an Alternator.

If each Lynac Lithium Technology battery product does not sufficiently meet the outlined performance specifications, a full refund is to be given once the product is returned, inspected, and proven faulty.
Seller assumes a 3-year manufacturer's warranty followed by a 4 year prorated warranty totalling 7 years.
Each product must be registered and proven to be used and maintained according to the recommended operational and maintenance parameters that are to be agreed upon at the time of installation.

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ELITE 12V 20A - Sealed Onboard LFP Battery Charger

In stock

Battery Spec's

Download PDF Datasheet

Product Model: 12.8V 100Ah - Crank Series
Rated Capacity: 100Ah @ (0.2C) (25℃), 1280Wh
Nominal Voltage: 12.8 Vdc
Cycle Life: 2000 @ 0.2C (100% DOD), 6000 @ 0.2C (80% DOD), 10000 @ 0.2C (50% DOD)
Dimensions: Group Fit 31, 12.99” x 6.77” x 8.46” (L330 × W172 × H215mm)
Weight: 30lbs (13.75kg)
Battery Management System: Charge balancing, Protection for excess current voltage, short circuits.
Cells: 4S5P Prismatic 3.2V 20Ah LFP
Charging Method: Constant Current - Constant Voltage (CC - CV): (0.2C to 14.4Vdc) - (14.4Vdc to 0.01C)
Voltage Limits: Charge: 14.6Vdc, Discharge: 10Vdc
Current Limits: Charge: 50Adc, Discharge: 100Adc continuous
Temperature Limits: Charge 0 ~ 45°C, Discharge -20 ~ 55°C, Storage -20 ~ 55°C
Connectivity: Series: 4 Units (51.2Vdc 100Ah), Parallel: Unlimited* (12.8Vdc)
Terminal Connector: Double, Pole + M8 Terminal Stud, Torque = 28N.m = 21ft.lb
Certifications: UN 38.3, UL1642, IEC626619-3600
Ingress Protection: IP65

The Lynac Advantage

Certified Grade A Cells

The highest grade cells give our LFP batteries the quality and performance that you would expect from your LFP battery leader.

Oversized BMS

Oversized Battery Management System (BMS) puts our LFP batteries above and beyond the standard, producing peak power output at maximum efficiency will ensure the highest performance and longest cycle life.

Designed in North America

Lynac Lithium is based in North America where we push the limits of battery innovation by designing and building quality products with your feedback!

Battery FAQ



Battery was designed to withstand splash damage and/or brief water submersion.



Battery offers half the weight of its lead-acid counterpart.


Shock Resistant

Battery is vibration tested and designed with solid casing to help withstand shock damage.

Have more questions? Get in touch with us and we will answer you ASAP!

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