



Epoch Pro Series Dual-Purpose LiFePO4 Batteries (Heated, Bluetooth, Victron-Ready)
Free shipping over $49
60-day hassle-free returns
The Epoch Pro Series is a true dual-purpose LiFePO4 battery — it delivers serious engine-cranking current and deep-cycle house power in one case, which makes it a favorite for boats running outboards as well as a house bank. Both models combine integrated self-heating for cold-weather charging, built-in Bluetooth, native Victron GX communication over CAN, and a rugged IP67 sealed housing. With a 6,000+ cycle rating, it's built to be installed once and forgotten.
Available as a Group 27-style 12V 120Ah and a Group 8D 12V 300Ah, so you can match cranking and capacity to your setup.
Key Features
- Dual-purpose cranking + deep cycle — strong starting current (up to 1,100 CCA / 1,000 A peak on the 300Ah) for outboards up to 250 hp, plus full house-bank capacity.
- Integrated self-heating — warms the cells for safe charging in sub-freezing conditions.
- Bluetooth monitoring — state of charge, voltage, current, and health from the Epoch app, with over-the-air firmware updates.
- Victron-ready — BMS-CAN communication links the whole battery string to Victron GX devices for managed charging via DVCC.
- IP67 sealed housing — dust-tight and protected against temporary submersion for marine-grade durability.
- Smart BMS — over-current, short-circuit, and high/low-temperature protection.
- Expandable — up to 4 in series (to 48V) and 16 in parallel.
- 6,000+ cycle life, maintenance-free.
Specifications by Model
Epoch Pro 12V 120Ah (DP12120H)
- Nominal voltage: 12.8 V; capacity: 120 Ah (1.54 kWh)
- Cell configuration: 4S4P
- Max continuous discharge: 150 A; max continuous charge: 100 A
- Cranking: ~1,100 CCA — 800 A (10 s); peak charge acceptance 165 A (1 min)
- Max charge voltage: 15.4 V; operating range 10.0–15.4 V
- Series / parallel: up to 4 in series or 16 in parallel
- Charge temp: −20°C to 55°C (with self-heating); discharge −20°C to 60°C
- Bluetooth + Victron CAN; IP67; 6,000+ cycles
- Dimensions: 12.25 × 6.75 × 9 in; weight 29.7 lb
Epoch Pro 12V 300Ah (DP12300H)
- Nominal voltage: 12.8 V; capacity: 300 Ah (3.84 kWh) — Group 8D
- Cell configuration: 4S3P
- Max continuous discharge: 300 A; max continuous charge: 300 A
- Cranking / peak discharge: 1,000 A (5 s), 800 A (10 s)
- Max charge voltage: 15.4 V; operating range 10.0–15.4 V
- Series / parallel: up to 4 in series or 16 in parallel
- Charge temp: −20°C to 55°C (with self-heating); discharge −20°C to 60°C
- Bluetooth + Victron CAN; IP67; 6,000+ cycles
- Dimensions: 19.70 × 10.5 × 9.75 in; weight 81 lb
Warranty
Epoch backs the Pro Series with an 11-year limited warranty: full repair or replacement (parts and labor) in years 1–5, then a comparable battery at 25% off MSRP in years 6–11. The warranty is non-transferable; register your battery within 90 days of purchase so coverage starts from your purchase date.
Blue Marine is an authorized Epoch Batteries dealer — every Pro Series battery ships brand-new with Epoch's 11-year limited warranty (full replacement in years 1–5), free shipping, and local pickup available.
Warranty Information
Shipping & Returns
We offer free shipping over $49. Lithium batteries & oversize items may have an applicable shipping charge.
We know returns are no fun so we aim to make the return process as hassle free as possible! We have a 60-day return policy, which means you have 60 days after receiving your item to request a return.
Lithium batteries and products with lithium batteries inside are non returnable: Due to carrier regulations surrounding the shipment of lithium batteries (classified as a fully regulated hazardous material), we are unable to accept returns unless arranged locally. We appreciate your understanding and encourage you to contact us with any questions prior to purchase.
For more information on returns, visit our return policy page.
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