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Brand Name : WNRLN

Model Number : MR-12100-LFP

Place of Origin : Guangdong, China

Certification : CE, UN38.3, MSDS, ISO 9001:2015, ABYC

MOQ : 2 Pieces

Price : USD 280-420 / Piece

Payment Terms : T/T, L/C, PayPal, Western Union

Supply Ability : 3000 Pieces per Month

Delivery Time : 5-7 working days stock, 15-25 days production

Packaging Details : WNRLN marine-grade packaging with anti-corrosion VCI film, EPE foam, export-grade plywood case

Battery Type : LiFePO4 (Lithium Iron Phosphate)

Nominal Voltage : 12V

Nominal Capacity : 100Ah

Rated Energy : 1280 Wh

Usable Capacity : 90% (90Ah usable vs 50% lead-acid)

Cycle Life : 5,000+ cycles at 80% DOD

BMS Protection : 4S 12V 100A Smart BMS

Waterproof Rating : IP67

Max Continuous Discharge : 100A

Peak Discharge Current : 200A (3 seconds)

Charging Temperature : 0°C ~ 45°C

Discharging Temperature : -20°C ~ 60°C

Self-Discharge Rate : <2% per month

Dimensions : 330 x 175 x 220 mm

Weight : 12.5 kg

Application : Trolling Motor, Fish Finder, Marine Electronics, Sailboat House Bank, RV Auxiliary

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Why Your 100Ah Lead-Acid Is Really a 50Ah Battery

The WNRLN MR-12100-LFP 12V 100Ah LiFePO4 Marine Battery delivers 90Ah of usable energy — 80% more runtime for your trolling motor, fish finder, and onboard electronics.

The Lead-Acid Problem

  • 50% Usable Capacity: A 100Ah lead-acid battery can only be discharged to 50% before voltage collapse — effectively a 50Ah battery
  • Voltage Sag: Below 50% charge, trolling motor thrust fades and electronics flicker
  • Off-Season Death: Lead-acid sulfates during winter storage — lithium self-discharges under 2% per month
  • Weight Penalty: 100Ah lead-acid weighs 28-32 kg vs 12.5 kg for lithium — 2.5x heavier

Why WNRLN MR-12100-LFP

  • 90Ah Usable from 100Ah Rating: LiFePO4 allows 90% depth of discharge — 80% more runtime than lead-acid
  • 5,000+ Deep Cycles: At 50 fishing trips per year, this battery outlasts your boat
  • IP67 Fully Sealed: Submersion-rated marine-grade aluminum enclosure with stainless steel terminals
  • 4S 100A Smart BMS: Low-voltage cutoff, over-current and short-circuit protection
  • ABYC Compliant: Meets American Boat and Yacht Council standards for lithium battery installation

Application Scenarios

ScenarioWhy MR-12100-LFP
Trolling Motor90Ah usable = 6-8 hours continuous trolling at medium speed — 80% longer than lead-acid
Sailboat House BankPowers navigation, lighting, refrigeration, autopilot — decades of liveaboard service
Bass Boat ElectronicsStable 12.8V keeps fish finders, GPS, livewell pumps running all day without voltage sag
Marine AuxiliaryDedicated power for windlass, bow thruster, dinghy motor — saves 20 kg vs lead-acid

Technical Specifications

ParameterSpecification
Battery TypeLiFePO4
Nominal Voltage12.8V (12V nominal)
Capacity / Energy100Ah / 1280 Wh
Usable Capacity90Ah (90% vs 50% lead-acid)
Cycle Life5,000+ cycles
BMS4S 12V 100A Smart BMS
WaterproofIP67
Weight12.5 kg
Dimensions330 x 175 x 220 mm

FAQ

Q: How is 90% usable different from lead-acid?
A: A 100Ah lead-acid battery can only be discharged to 50% (50Ah usable) before voltage drops below 11.5V. The MR-12100-LFP delivers 90Ah usable — effectively 80% more runtime from the same Ah rating.

Q: Can I use this with my existing marine charger?
A: We recommend a 12V 20A LiFePO4 smart charger. Standard lead-acid chargers with desulfation modes can damage lithium cells. Charger add-on: USD 65 with bulk orders.

Q: Warranty?
A: 3-year standard. CE, UN38.3, MSDS certified. ABYC compliant design.

Ready for 80% more fishing time per charge? Contact us for bulk pricing and sample evaluation.


Product Tags:

5000 Cycle Marine Deep Cycle

      

100Ah High Usable Capacity

      

LiFePO4 Trolling Motor Battery

      
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