36V 40AH Bluetooth Deep Cycle Lithium Marine Trolling Battery MML-3640B

$899.00 USD
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  • Lightweight 36V trolling motor power solution
  • ONE battery replaces THREE regular marine gel/acid batteries, saving space and weight
  • Bluetooth functionality for easy capacity monitoring via app
  • Weighs only 33 lbs, shaving off an estimated 150 lbs
  • Group 31 case fits seamlessly into existing setup
  • Lithium Iron Phosphate (LiFePO4) technology for double the power, fraction of the weight, and four times longer lifespan
  • Easily wire another 36V battery in parallel for extra capacity (positive to positive, negative to negative)
  • Simple plug-and-play installation: connect trolling motor to battery


33 lbs (14.9Kg). 60% lighter than 1 SLA battery!

Size Dimensions
L 13 in (330mm) x W 6.77in (172mm) x H 8.66 in (220mm)


1536 Watts (Wh)


Charge Volts
Max current 40A

Continuous Discharge Amps
100A max

M8 stainless bolt

Suitable For

  • 36v trolling motors
  • Connect in parallel for 80Ah capacity
  • LiFePO4 replacement for (3) SLA 12v
  • Ideal for Minn Kota Trolling Motors
  • Ideal for Garmin Trolling Motors
  • Ideal for Lowrance Trolling Motors
  • Ideal for Rhodan Trolling Motors
  • Ideal for ALL Trolling Motors
  • Over 4000+ Charge cycles
  • Built in Bluetooth monitoring 

Free Shipping

on all order over $250

Free Returns

within 30 days of purchase

1% Donated Annually

to forest conservation