Product Description
VMAX 12V self-heated lithium marine battery with 80Ah capacity. Designed with lithium iron phosphate battery (LiFePO4) technology, this is a battery built to last year after year. Waterproof & self heating lithium battery made to withstand the harshest marine environments.
LFP1280MH Features:
- Self heating lithium battery for safe charging below 32°F (0°C).
- High energy density and light weight at only 18 lbs for 80Ah.
- High efficiency, fast charging.
- Built-in BMS offering voltage, current and temperature protection.
- Standard Group 24 battery case for an easy VRLA battery replacement.
- 10 years design life, stable performance & maintenance-free.
Recommended uses:
- Trolling motors.
- Solar Power Backup & Energy Storage.
- UPS and medical cart applications.
- RV's, boats, trailers and other demanding deep cycle applications.
- Parallel wiring is acceptable for up to 320Ah of capacity (4 batteries).
- Series wiring is acceptable for 24V, 36V and 48V systems.
- NOT for engine starting or golf cart applications.
To calculate how long a battery will last when powering your electronics, please reference the Calculating Battery Capacity section of the linked article to ensure you are selecting the right capacity battery for your needs.
BCI Group: 24
| Voltage | 12.8V (3.2V/cell) |
| Rated Capacity | 80Ah |
| Rated Energy | 1024Wh |
| Output Voltage Range |
10.0V - 14.6V |
| Charging Voltage |
14.6V |
| Cut-Off Voltage |
10.0V |
| Max. Constant Charging |
80A |
| Recommended Charging |
10A - 40A |
| Max. Constant Discharge |
80A |
| Max. 3 Sec Discharge |
120A |
| Charging Temperature |
32°F* - 113°F *Heater Turns On |
| Discharging Temperature |
-4°F - 150°F |
| Storage Temperature |
-4°F - 113°F |
| Heater On (Powered By Charger) |
32°F |
| Heater Off | 50°F |
| Efficiency | >98% |
| Built-in BMS | Yes |
| Charge Voltage Protection |
>14.8V Cell: >3.8V |
| Discharge Voltage Protection |
<10.0V Cell: <2.0V |
| Charge Current Protection |
>100A w/15sec Delay >120A w/3sec Delay |
| Discharge Current Protection |
>100A w/15sec Delay >120A w/3sec Delay |
| Short-Circuit Protection |
>400A |
| Cell Balance Passive |
150mA |
| Temperature Protection (Charging) |
<23°F or >150°F |
| Temperature Protection (Discharging) |
<-4°F or >150°F |
| Cycle Life @ 80% DOD |
~6000 @ 8A (77°F) |
| Cycle Life @ 90% DOD |
>4000 @ 8A (77°F) |
| Design Life | ~10 Years |
| Battery Case Material |
ABS |
| Dimensions (L x W X H) |
10.2"x6.6"x8.2" |
| Terminals | M8 Inserts |
| Weight | 18 lbs |
Recommended Charging Options:
- Use a VMAX LiFePO4 charger or a LiFePO4 smart & microprocessor controlled charger with the recommended specs listed.
- <15V alternator if used in vehicle or marine application.
- Compatible lithium charge controller if used in solar applications.
- Charge at max charging current only in situations when fastest charging rate is needed. Not recommended on an ongoing basis.
- A self heating lithium battery for cold weather charging.
