Batteries
12V 50Ah Lithium Battery
Lightweight all-day power for smaller trolling motors and marine electronics, with Bluetooth monitoring built in.
Highlights
Specifications
- Nominal Voltage
- 12.8V
- Capacity
- 50Ah
- Energy
- 691Wh
- Cycle Life
- 3,000 at 100% Depth of Discharge
- Weight
- 14 lbs
- Dimensions (LxWxH)
- 9.00" x 5.40" x 8.25"
- Terminal Type
- M8 Stainless Steel Bolt
- Cell Type
- Grade A LiFePO4
- Charging Temp
- 32°F - 115°F
- Operating Temp
- -4°F - 140°F
- Max Continuous Discharge
- 100A
- Max Pulse Discharge
- 500A
Prefer to buy local?
Find an Astro Lithium dealer near you for hands-on advice and install support.
Details
Overview
Astro Lithium marine batteries use premium LiFePO4 cells and a smart onboard BMS to deliver dependable, all-day power at roughly half the weight of lead acid. With NMEA 2000 and Bluetooth monitoring built in, you can watch your state of charge right from the helm or your phone. Every battery is backed by our 8-year full replacement warranty and US-based support.
Battery Management System
Every Astro Lithium battery has an onboard BMS that handles cell balancing, charge and discharge control, and temperature protection.
NMEA 2000 & Bluetooth
Battery data streams to your helm display over NMEA 2000 and to the Astro Lithium app over Bluetooth.
Warranty & Returns
8-Year Full Replacement Warranty with no pro-rated portion, plus a 30-day money back guarantee.
Shipping
Free shipping to the lower 48. Most orders ship within one business day.
Compatibility
Tested with all major trolling motor brands.
Ask a question
Not sure if this is the right fit? Send us a question and we will help.
Pair it up
Compatible chargers
12V 10Ah Onboard Charger
$149.00 View product
12V 4-Bank Onboard Charger
$399.00 View product
12V 3-Bank Onboard Charger
$274.00 View product
12V 2-Bank Onboard Charger
$224.00 View product
24V and 12V 3-Bank Onboard Charger
$449.00 View product
36V and 12V 3-Bank Onboard Charger
$449.00 View product