Product Description
24V Trolling Motor Battery Set with Bluetooth
The VMAX 24V 50Ah Lithium Trolling Motor Battery Package includes two LFP1250B 12V 50Ah LiFePO4 batteries to be connected in series for 24 volt trolling motors. This compact kit is enclosed in a single group 31 battery box, and only 13 pounds per battery makes this a perfect drop-in lithium upgrade over heavier AGM or flooded batteries. Integrated Bluetooth battery monitoring, fast charging, and long cycle life make this a user friendly and versatile lithium upgrade. A group 31 battery box with adjustable internal divider and a series connection cable are included for a seamless installation. Less weight, more capacity, and more time enjoying what you love.
Features & Benefits
- Bluetooth – Realtime monitoring of battery performance in the VMAX App.
- Built-In BMS Protection – Over/under-voltage, over-current, short-circuit and temperature protections.
- In-Box Storage – Mount or store a charger inside the box for a self-contained trolling battery package.
- Compact U1 Group Size – Drop-in replacement for many VRLA/AGM U1 applications
- Fast, Efficient Charging – Optimized for LiFePO4 smart chargers and solar charge controllers.
- High Discharge Capability – Supports inverters and DC loads up to 50 continuous amps.
- Scalable System Design – Wire up to 4 in series (24/36/48V) or 4 in parallel (up to 200Ah).
- 7 Year Warranty – Backed by VMAX's industry leading customer service.
Why Choose VMAX Lithium Batteries?
The VMAX LFP series pairs high-grade LiFePO4 cells with an advanced Battery Management System (BMS) to deliver stable, maintenance-free deep-cycle power—year after year. The standardized group sizes simplify drop-in lithium upgrades where AGM or flooded batteries were previously used. With fast charging, high discharge capability and support for series & parallel banks, they scale easily from a single battery devices to multi-battery energy storage banks. Backed by a 7-Year Warranty and a 10-year design life for reliable power and excellent long-term value.
VMAX Bluetooth Battery Monitoring
View real-time battery status, performance, and enable custom alerts to be notified when your specified conditions are exceeded.
Quickly and Easily Check:
- Voltage
- Amperage In/Out
- Estimated Time to Full Charge at Current Charge Rate
- Cell Balancing Monitor
- Temperature
- Battery Status
- Battery Cycles
VMAX App Downloads
LFP1250B
VMAX LFP1250B Specifications
12.8V 50Ah LiFePO4 Deep-Cycle Battery
- Nominal Voltage 12.8V
- Capacity 50Ah / 640Wh
- Group Size U1R
- Chemistry Lithium (LiFePO4)
| Electrical & Performance | |
|---|---|
| Chemistry | Lithium (LiFePO4) |
| Nominal Voltage | 12.8 Volts |
| Rated Capacity | 50Ah / 640Wh |
| Max Continuous Discharge |
50 Amps |
| Max 3 Second Discharge |
150 Amps |
| Low Voltage Cut-Off | 10.0V |
| Series Connections | Up to 4 (48V) |
| Parallel Connections | Up to 4 (200Ah) |
| Operating Temperature |
-4°F - 150°F (-20°C - 65°C) |
| Charging | |
| Charging Voltage | 14.4V |
| Recommended Charging Current |
5A - 50A |
| Charging Temperature |
32°F - 113°F (0°C - 45°C) |
| Dimensions & Fitment | |
| Group Size | U1R |
| Length | 7.70" (196 mm) |
| Width | 5.20" (132 mm) |
| Height | 7.2" (183 mm) |
| Terminals | M6 Inserts (hardware included) |
| Polarity | - Left / + Right |
| Weight | 13.0 lbs (5.9 kg) |
| Certifications & Warranty | |
| Design Life | ~10 Years |
| Cycle Life | ~4000 cycles @ 80% DOD |
| Certifications | IP54, UN 38.3, CE |
| Warranty | 7 Years |
Charging note: Requires a dedicated LiFePO4-compatible charger for optimal performance and safety. Recommended bulk/absorb charge voltage is 14.4V - 14.6V. Do not use traditional lead-acid chargers featuring automatic desulfation or equalization modes.
VMAX LFP1250M DatasheetVMAX Bluetooth Battery Monitoring
View DetailsHide DetailsView real-time battery status, performance, and enable custom alerts to be notified when your specified conditions are exceeded.
- Voltage
- Amperage In/Out
- Estimated Time to Full Charge at Current Charge Rate
- Cell Balancing Monitor
- Temperature
- Battery Status
- Battery Cycles
VMAX App Downloads
VMAX LFP1250B Battery Cross-Reference
View DetailsHide DetailsGroup U1 Batteries with M5/M6 Insert Terminals: CB12350-IT, CBEV-U1-IT, CP12350I, CT1050, DCM0035, DURA12-35C, ES35-12FT, GP12350I, LC-XD1235PI, LCR12V35PI, LFP1250B, LFP1250M, MU-1 SLD M FT, MU-1 SLD M-33-FT, ML35-12INT, NP35-12I, PE12V35I, PK12350I, PS-12350 B, PS12350I, SCP12350 M6, SLA12-35I, SLAA12-35C, UB12350I, UB12350 TH, V35-857.
Group U1 Batteries with Nut & Bolt Terminals: 12N35-3B, 12V32-U1, 15020225, 1726-M8AU1, 50141, 6FM33, 8226, 8AU1, 8AU1H, 8GU1, 8GU1H, ABP A8AU1, AGM U1, AGMU1, AU1, AU1H, CA12350, CB-U1-AGM, CB12350-NB, CBEV-U1-NB, CP12350NB, DB8AU1, DC35-12, DCM0035NB, DURDC12-35J, DURG12-31J-A, EP V8AU1, ES33-12, ES35-12NB, ESU1, ESU1-35, ESU1H, EXP35, GP12350-NB, LCR12V35P-NB, ML35-12NB, MU-1 SLD A, MU-1 SLD G, MU-1 SLD M, MU-1 SLD M-33, NB12-35, NGU1, NP35-12NB, PDC-12350 NB3, PE12V35NB, PK12350-NB, PS-12350 NB, SCP12350 NB, SLADC12-35J, SLIAU1, SLIAU1H, SP-18, SP-30, SP-35, SP-40, U131AH, U1A-200, U1AGM, U1L-AGM-NB, U1RVS, UB12350-NB, WB1235.
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit and performance.
Warning: LiFePO4 charger required if upgrading from non-lithium batteries.