Epoch 300Ah Essential vs 314Ah Eco: reserve, heating and current
Buying comparison · Reviewed 2026-10-29 · Exact US product variants
The buying decision
The 314Ah Eco provides more nominal energy, while the 300Ah Essential has a different feature package, including documented heating. Their continuous-current and bank-configuration limits also differ. Match each exact model to the inverter, charging sources and physical installation.
Choose 12300A-H when…
The 300Ah reserve is sufficient and the Essential model’s heating, monitoring and permitted configuration match the build.
Choose 12314-ECO when…
The Eco model’s nominal reserve and documented current limits fit the system, and its unheated charging conditions work for the installation.
| Specification | Epoch 12V 300Ah Essential Series LiFePO4 Battery (3.84kWh) | Epoch 12V 314Ah Eco Series LiFePO4 Battery (4.02kWh) |
|---|---|---|
| Exact model / SKU | 12300A-H | 12314-ECO |
| Capacity | 300 Ah | 314 Ah |
| Stored energy | 3,840 Wh nominal | 4,019.2 Wh nominal |
| Nominal voltage | 12.8 V nominal | 12.8 V nominal |
| Continuous discharge | 200 A continuous | 250 A continuous |
| Combined charge limit | 200 A continuous | 250 A continuous |
| Self-heating | Yes — exact operating conditions apply | No |
| Bluetooth | Yes — Epoch Li-Ion app (iOS and Android) | No — use an external battery monitor |
| Weight | 58 lbs / approx. 26.3 kg | 57 lb / 25.85 kg |
| Charge temperature | −20°C to 55°C / −4°F to 131°F, with heating | 0°C to 55°C / 32°F to 131°F |
| Series limit | 4 maximum in series | 4 maximum in series |
| Parallel limit | 4 maximum in parallel | 16 maximum in parallel |
Specifications retain the source’s units and dimension order. A missing value does not mean zero.

Exact US listing · 12300A-H
Epoch 12V 300Ah Essential Series LiFePO4 Battery (3.84kWh)
Recorded supplier quote: $1,249.00 USD
Checked 2026-10-20. Confirm the current price in the shop.
Supplier availability must be confirmed.
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Check US product & price Specification reference ↗
Exact US listing · 12314-ECO
Epoch 12V 314Ah Eco Series LiFePO4 Battery (4.02kWh)
Recorded supplier quote: $849.00 USD
Checked 2026-10-20. Confirm the current price in the shop.
Supplier availability must be confirmed.
Affiliate listing: we may earn a commission from qualifying purchases.
Check US product & price Specification reference ↗Compare current separately from capacity
A larger Ah figure does not establish how much continuous inverter current is permitted. Compare the published continuous discharge limit against the complete load requirement, then review the inverter and battery instructions together.
Check what is included in the feature package
Bluetooth and heating should be checked on the exact SKU rather than assumed across the brand. Where one model needs an external monitor or a warmer location, include that in the complete installed cost.
Measure the battery bay
Use the manufacturer’s dimensions, terminal positions and mounting requirements. Leave room for cable bends, covers and removal. A battery-group name is a starting point, rather than confirmation that the new case will fit the existing compartment.
Before placing the order
Save the exact model number, check the current specification and installation instructions, and confirm the selected supplier configuration. Include any mounting, monitoring, cabling or accessories required for your build when comparing the complete cost.
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