Product Description
12V 46Ah LiFePO4 Bluetooth Battery
The Pro-Guide PGLM46 is a 12V LiFePO4 deep cycle battery with 46Ah capacity in a light weight Group U1 case that weighs only 10 pounds. Ideal for fish finders, small marine electronics, and solar energy storage where space is limited, it delivers high usable capacity with steady voltage for reliable operation of sensitive equipment. Rated for 3,000 cycles at 80% depth of discharge, this battery provides lasting power for all-day adventures without the bulk of traditional lead-acid options. Bluetooth equipped for easy battery performance checks from your phone, plus a 10-Year warranty to ensure years of dependable power.
Features & Benefits
- Extended Cycle Life – Delivers 3,000+ cycles at 80% discharge for years of dependable performance.
- Built-in BMS Protection – Safeguards against overcharging, over-discharging, and short circuits.
- Bluetooth Monitoring – Allows real-time status checks via the Pro-Guide app for convenient monitoring.
- Steady Output – Maintains consistent voltage during discharge so your electronics run at peak performance longer.
- High Usable Capacity – Provides nearly twice the run-time of a lead-acid battery with same amp-hour rating.
- Group U1 – Fits standard U1 battery boxes and trays for a direct-fit replacement in a variety of applications.
- M6 Terminals – 6mm hardware included for easy installation and secure connections.
- Deep Cycle Only – NOT designed for engine starting applications.
Why Choose Pro-Guide Lithium Batteries?
Pro-Guide has delivered trusted battery expertise since 1980, backed by US-based support that understands marine, RV, golf, and outdoor needs. Pro-Guide LiFePO4 batteries provide higher usable capacity with a fraction of the weight of lead-acid batteries, and last for thousands of discharge cycles for excellent long-term value. Built-in BMS protection and Bluetooth monitoring add safety and convenience, with a 10-Year warranty providing lasting confidence.
PGLM46
Pro-Guide PGLM46 Specifications
12.8V 46Ah LiFePO4 Deep Cycle Battery
- Nominal Voltage 12.8V
- Capacity 46Ah / 588Wh
- Chemistry Lithium (LiFePO4)
- Terminals M6
| Electrical & Performance | |
|---|---|
| Chemistry | Lithium (LiFePO4) |
| Nominal Voltage | 12.8 Volts |
| Rated Capacity | 46Ah / 588Wh |
| Low Voltage Cut-Off | 10.0 Volts |
| Series Connections | Up to 4 (48V) |
| Parallel Connections | Up to 4 (184Ah) |
| Cycle Life | 3,000 Cycles @ 80% DOD |
| Operating Temperature |
-4°F - 140°F (-20°C - 60°C) |
| Charging | |
| Charging Voltage | 14.6 Volts |
| Charging Current | 10A (46A max) |
| Charging Temperature |
32°F - 131°F (0°C - 55°C) |
| Dimensions & Fitment | |
| Group Size | U1 |
| Length | 7.64" (194 mm) |
| Width | 5.20" (132 mm) |
| Height | 6.81" (173 mm) |
| Terminals | M6 Inserts (hardware included) |
| Polarity | + Left / - Right |
| Weight | 10.14 lbs (4.6 kg) |
| Certifications & Warranty | |
| Certifications | UN 38.3, CE, RoHS |
| Warranty | 10 Years |
Charging Note: LiFePO4 compatible charger that meets the specifications listed is required.
Pro-Guide PGLM46 DatasheetPro-Guide Power V2 App
View DetailsHide DetailsEasily view real-time battery status & performance.
- State of Charge (SOC)
- Voltage
- Amperage / Watts
- Battery Temperature
- Heater Enable/Disable (if equipped)
- Status Mode
- Protection Modes
- Cycle Life Counter
- Cell Balancing
- BMS Software Updates
Pro-Guide Power V2 App Downloads
Recommended Chargers for the PGLM46
View DetailsHide DetailsPro-Guide PGLM46 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, PGLM35, PGLM46, 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.
Warning: LiFePO4 charger required if upgrading from non-lithium type batteries.
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit and performance.