Epoch 300Ah vs 460Ah Essential: how much reserve do you need?
Buying comparison · Reviewed 2026-10-29 · Exact US product variants
The buying decision
The 460Ah model adds nominal storage, but both selected Essential profiles have the same stored continuous-current ceiling. Buy the larger reserve when it bridges a calculated gap between charges and fits the vehicle, rather than assuming it automatically supports a larger inverter.
Choose 12300A-H when…
The calculated reserve covers the trip pattern and a smaller, lighter battery helps the installation meet its space and payload requirements.
Choose 12460A-H when…
The additional stored energy is needed between dependable charging opportunities and the larger case and weight fit the vehicle.
| Specification | Epoch 12V 300Ah Essential Series LiFePO4 Battery (3.84kWh) | Epoch 12V 460Ah Essential Series LiFePO4 Battery (5.89kWh) |
|---|---|---|
| Exact model / SKU | 12300A-H | 12460A-H |
| Capacity | 300 Ah | 460 Ah |
| Stored energy | 3,840 Wh nominal | 5,888 Wh nominal |
| Nominal voltage | 12.8 V nominal | 12.8 V nominal |
| Continuous discharge | 200 A continuous | 200 A continuous |
| Combined charge limit | 200 A continuous | 200 A continuous |
| Self-heating | Yes — exact operating conditions apply | Yes — exact operating conditions apply |
| Bluetooth | Yes — Epoch Li-Ion app (iOS and Android) | Yes — Epoch Li-Ion app (iOS and Android) |
| Published dimensions | Not recorded — check the current specification | Overall dimensions: 20.55 in L × 9.45 in W × 8.60 in H |
| Weight | 58 lbs / approx. 26.3 kg | 84 lb / approx. 38.10 kg |
| Charge temperature | −20°C to 55°C / −4°F to 131°F, with heating | -20°C to 55°C / -4°F to 131°F, with heating |
| Series limit | 4 maximum in series | 4 maximum in series |
| Parallel limit | 4 maximum in parallel | 4 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 · 12460A-H
Epoch 12V 460Ah Essential Series LiFePO4 Battery (5.89kWh)
Recorded supplier quote: $1,599.00 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 ↗Storage and charging must balance
Additional capacity extends the time before recharging; it does not correct a permanent energy deficit. Compare the same daily loads, useful solar and driving time with both capacities. Include a realistic allowance for poor charging conditions.
Do not infer an inverter upgrade from Ah
Check continuous discharge and charging limits independently. A larger reserve can share the same current ceiling as a smaller model. Any higher-power inverter needs a complete review of the battery, cabling, protection and installation.
Account for the physical difference
Compare the exact cases, mounting provisions, weight and service access before ordering. A cardboard template and a complete equipment-bay layout can reveal a poor fit before the battery arrives.
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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