⚡ Monster Marine Lithium™ “Phoenix”
12V 165Ah Bluetooth Deep Cycle Marine Lithium Battery
Overview
Introducing The Phoenix — a powerful, reliable, and intelligent lithium battery built to rise above the rest.
This 12V 165Ah Bluetooth Deep Cycle Marine Battery packs exceptional performance into a compact Group 31 case, delivering long-lasting, stable power for trolling motors, marine electronics, and more.
Designed for flexibility, The Phoenix can operate as a standalone 12V system or be connected in series up to 48V for use in 24V, 36V, or 48V setups.
Equipped with Bluetooth connectivity, you can monitor charge status, voltage, and performance in real time through the MMLithium Bluetooth App.
Built with advanced Lithium Iron Phosphate (LiFePO₄) technology, this battery provides superior safety, longer life, and higher efficiency than traditional lead-acid systems — making it a premium solution for anglers and marine professionals.
Key Features
📱 Bluetooth Smart Monitoring
View live voltage, charge level, and battery health directly from your smartphone using the MMLithium Bluetooth App.
⚡ Versatile Power Configuration
Use as a standalone 12V battery or wire in series up to 48V. Perfect for 12V electronics or multi-battery setups.
🔋 LiFePO₄ Technology
Built for 4000+ charge cycles with reliable voltage, quick recharging, and maximum efficiency across the entire discharge curve.
🧭 Compact Group 31 Fitment
Drop-in ready for Group 31 battery trays — no special mounts or space adjustments needed.
🪛 Compatible Charging
Works Monster Marine Lithium chargers and a wide range of AGM-profile chargers.
⚙️ Specifications
| Category |
Details |
| Weight |
37 lbs |
| Dimensions (L × W × H) |
13 in × 6.77 in × 8.66 in (330 × 172 × 220 mm) |
| Nominal Voltage |
12.8 V |
| Nominal Capacity |
165 Ah |
| Energy |
2112 Wh |
| Charge Voltage Range |
14.6 V |
| Max Charge Current |
100 A |
| Continuous Discharge Current |
100 A max |
| Terminal Type |
M8 Brass Bolt |
| Battery Chemistry |
Lithium Iron Phosphate (LiFePO₄) |
| Cycle Life |
4000+ cycles |
| Bluetooth Functionality |
Built-in Smart Monitoring via MMLithium Bluetooth App
|
⚓ Applications
| Use Case |
Compatibility |
| Primary Use |
12 V trolling motors and marine electronics |
| Series Configuration |
Up to 4 × 12 V batteries = 24V, 36V, or 48V systems |
| Parallel Configuration |
Increase total amp-hour capacity |
| Replacement For |
SLA or AGM 12V batteries |
| Compatible Brands |
Minn Kota • Garmin • Lowrance • Rhodan • All 12V and multi-voltage trolling systems |
| Additional Uses |
Golf carts (36V & 48V), onboard electronics, sonar systems |
⚠️ All chargers must support AGM charging capabilities for safe operation with lithium batteries.
