
Specs
Nominal Voltage | 12.8V (3.2V/cell) |
Rated Capacity (20h @ 25C) | 45AH |
Rated Energy | 580Wh |
Output Voltage Range | 10.0V-14.6V |
Charging Voltage | 14.4V - 14.6V (CC-CV) |
Cut-Off Voltage | 10.0V |
Max. Constant Charging Current | 45A |
Recommended Charging Current | 5A -25A, Best @ 10A |
Recommended Charger Type | CC-CV until current <0.9A (0.02C) |
Max. Constant Discharge Current | 45A |
Max. 3sec Discharge Current | 100A |
Charging Temperature | 0C ~ 45C (+32F~ +113F) |
Discharging Temperature | -20C ~ 65C (-4F ~ +150F) |
Storage Temperature | -20C ~ 45C (-4F ~ +113F) |
Efficiency | >98% |
Built-in BMS | Yes |
Over-Charge Voltage Protection | Module: >14.8V, Cell: >3.8V |
Over-Discharge Voltage Protection | Module: <10.0V, Cell: <2.0V |
Over-Charge Current Protection | >55A w/15sec Delay, >80A w/ 3sec Delay |
Over-Discharge Current Protection | >55A w/ 15sec Delay, >100A w/ 3sec Delay |
Short-Circuit Protection | >400A |
Cell Balance | Passive, 150mA |
Over-Temperature Protection-Charging | <-5C ( 23F) , >65C (150F) |
Over-Temperature Protection-Discharging | <-20C (-4F), >65C (150F) |
Cycle Life @80% DOD | ~6000 @ 9A, 25C (77F)l |
Cycle Life @90% DOD | >4000 @ 9A, 25C (77F) |
Design Life | ~10 Years |
Battery Case Material | ABS |
Dimensions L x W X H | 7.7" x 5" x 6.4" |
Terminals | M6 Screw In |
Weight | 10.8lb |
Vmaxtanks
Vmaxtanks LFPU1-1245 12.8V/45Ah LiFePO4 Deep Cycle Battery
Inventory

Why is this Deep Cycle Battery a great pick?

5 Charging Options
Use a VMAX AGM Charger* or a LiFePO4 Smart & Microprocessor controlled charger with the recommended specs for Vmaxtanks LFPU1-1245. <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 the fastest charging rate is needed. Not recommended on an ongoing basis.

Vmaxtanks LFPU1-1245 Best Uses
Trolling Motors, Solar Power Backup, UPS, Portable Devices, Medical Cart Applications, Camping, Trailers, Boats, and all other deep cycle applications. Audio: 600w Rms, 1500w Peak NOT RECOMMENDED for engine start applications. Parallel wiring is acceptable for up to FOUR batteries. Series wiring is acceptable for up to FOUR batteries.