Epoch Marine 12V Lithium Batteries
Epoch 12V LiFePO4 lithium batteries for boats: lighter than lead-acid, more usable power, and long life. Prices below are the full price. Pick a battery to see the full details and check out.
Shipping: Ships by ground (lithium batteries can't ship by air), about 3–5 business days. Shipping is calculated at checkout; larger batteries cost more to ship.
Starting an engine? Only the 172Ah and 300Ah Pro Series dual-purpose batteries are rated for engine cranking. The others are deep-cycle (trolling motors, electronics, house power). Always check the dimensions against your battery box.
12V batteries
Epoch 12V 50Ah Essential Series LiFePO4 Battery (0.64kWh)
$299.00
| Total capacity | 50 Ah |
|---|---|
| Continuous charge | 50 A |
| Continuous discharge | 50 A |
| Bluetooth | Yes |
| Self-heating | No |
| Drop-in replacement | Yes (check fit in your battery box) |
| Engine cranking | No |
| Dimensions (L x W x H) | 9 x 5.625 x 8.25 (8.625 w/ terminal bolts) in |
| Weight | 14.3 lb |
| Group size | Group 22NF |
| Water/dust rating | IP54 |
| Warranty | 11-year limited |
Epoch 12V 100Ah Eco Series LiFePO4 Battery (1.28kWh)
$325.00
| Total capacity | 100 Ah |
|---|---|
| Continuous charge | 100 A |
| Continuous discharge | 100 A |
| Bluetooth | No |
| Self-heating | No |
| Drop-in replacement | Yes (check fit in your battery box) |
| Engine cranking | No |
| Dimensions (L x W x H) | 10.25 x 6.75 x 9 in |
| Weight | 21 lb |
| Group size | Group 24 |
| Water/dust rating | IP54 |
| Warranty | 11-year limited |
Epoch 12V 105Ah Essential Series LiFePO4 Battery (1.34kWh)
$549.00
| Total capacity | 105 Ah |
|---|---|
| Continuous charge | 100 A |
| Continuous discharge | 105 A |
| Bluetooth | Yes |
| Self-heating | Yes |
| Drop-in replacement | Yes (check fit in your battery box) |
| Engine cranking | No |
| Dimensions (L x W x H) | 10.25 x 6.75 x 9.00 in |
| Weight | 22.1 lb |
| Group size | Group 24 |
| Water/dust rating | IP54 |
| Warranty | 11-year limited |
Epoch 12V 172Ah Cranking & Deep Cycle (Dual Purpose) LiFePO4 Battery
$899.00
| Total capacity | 172 Ah |
|---|---|
| CCA | Approx. 1,000 CCA (1,000A 5-sec cranking pulse) |
| Continuous charge | 200 A |
| Continuous discharge | 200 A |
| Bluetooth | Yes |
| Self-heating | No |
| Drop-in replacement | No |
| Engine cranking | Yes |
| Dimensions (L x W x H) | 12.91 x 6.22 x 8.46 in |
| Weight | 40 lb |
| Group size | Group 31 |
| Water/dust rating | IP65 |
| Warranty | 11-year limited |
Epoch 12V 300Ah Essential Series LiFePO4 Battery (3.84kWh)
$1,249.00
| Total capacity | 300 Ah |
|---|---|
| Continuous charge | 200 A |
| Continuous discharge | 200 A |
| Bluetooth | Yes |
| Self-heating | Yes |
| Engine cranking | No |
| Dimensions (L x W x H) | 13.75 (15.5 at handles) x 7.63 x 10.0 (10.5 w/ terminal bolts) in |
| Weight | 58 lb |
| Group size | Group 31 |
| Water/dust rating | IP54 |
| Warranty | 11-year limited |
Epoch 12V 300Ah Cranking & Deep Cycle Lithium Battery (Dual Purpose) - Pro Series
$1,599.00
| Total capacity | 300 Ah |
|---|---|
| Continuous charge | 300 A |
| Continuous discharge | 300 A |
| Bluetooth | Yes |
| Self-heating | Yes |
| Drop-in replacement | No |
| Engine cranking | Yes |
| Dimensions (L x W x H) | 19.70 x 10.5 x 9.75 in |
| Weight | 81 lb |
| Group size | Group 8D |
| Water/dust rating | IP67 |
| Warranty | 11-year limited |
Epoch 12V 314Ah Eco Series LiFePO4 Battery (4.02kWh)
$849.00
| Total capacity | 314 Ah |
|---|---|
| Continuous charge | 250 A |
| Continuous discharge | 250 A |
| Bluetooth | No |
| Self-heating | No |
| Drop-in replacement | No |
| Engine cranking | No |
| Dimensions (L x W x H) | 13.75 (15.5 at handles) x 7.63 x 10.0 (10.5 w/ terminal bolts) in |
| Weight | 57 lb |
| Group size | Group 31 |
| Water/dust rating | IP54 |
| Warranty | 11-year limited |
Epoch 12V 460Ah Essential Series LiFePO4 Battery (5.89kWh)
$1,599.00
| Total capacity | 460 Ah |
|---|---|
| Continuous charge | 200 A |
| Continuous discharge | 200 A |
| Bluetooth | Yes |
| Self-heating | Yes |
| Engine cranking | No |
| Dimensions (L x W x H) | 20.55 x 9.45 x 8.60 in |
| Weight | 84 lb |
| Group size | Group 8D |
| Water/dust rating | IP54 |
| Warranty | 11-year limited |
Epoch 12V 460Ah V2 Elite Series LiFePO4 Battery (5.89kWh)
$2,399.00
| Total capacity | 460 Ah |
|---|---|
| Continuous charge | 230 A |
| Continuous discharge | 230 A |
| Bluetooth | Yes |
| Self-heating | Yes |
| Engine cranking | No |
| Dimensions (L x W x H) | 20.86 x 8.65 x 12.06 (incl. terminals) in |
| Weight | 97 lb |
| Group size | Group 8D (replacement apps, verify fit) |
| Water/dust rating | IP67 |
| Warranty | 11-year limited |
Epoch 12V 460Ah V2-T Elite Series LiFePO4 Battery (5.89kWh)
$2,599.00
| Total capacity | 460 Ah |
|---|---|
| Continuous charge | 210 A |
| Continuous discharge | 230 A |
| Bluetooth | Yes |
| Self-heating | Yes |
| Engine cranking | No |
| Dimensions (L x W x H) | 20.86 x 8.65 x 12.06 in |
| Weight | 97.55 lb |
| Water/dust rating | IP67 |
| Warranty | 11-year limited |
Battery trays & mounting
Epoch Group 31 Battery Tray (For 12V 172Ah Dual Purpose Battery)
$50.00
Fits: 12V 172Ah dual purpose
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Epoch V2 & V2-T Mounting Hardware | 8D Battery Bracket
$30.00
Fits: 12V 460Ah V2 & V2-T Elite
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Epoch Battery Tray (12300A-H) (12334A-H) (12314-ECO)
$60.00
Fits: 12V 300Ah G31 (12300A-H), 314Ah Eco (12314-ECO), 334Ah (12334A-H)
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Epoch Battery Tray (12105A-H) (12100-ECO)
$35.00
Fits: 12V 105Ah (12105A-H), 12V 100Ah Eco (12100-ECO)
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Questions about which battery fits your boat? Contact us and we'll help you pick.
Epoch is a brand of its manufacturer. Specs and prices come from the manufacturer and may change.