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Epoch Batteries DP12300H 12V 300Ah Pro Series

SKU DP12300H

Epoch Batteries
Epoch Batteries' product page

The Epoch Batteries DP12300H 12V 300Ah Pro Series is a battery pack with a nominal voltage of 12.8 V nominal, a nominal capacity of 300 Ah, 3.84 kWh of energy and a continuous discharge of 300 A.

Last updated: 21 September 2026

What we found

  • Matched to devices: Progressive Dynamics PD1618 Pure Sine Wave Inverter, Progressive Dynamics PD1620 Pure Sine Wave Inverter, Progressive Dynamics PD1610 Pure Sine Wave Inverter, by setting each maker's published figures against the other — neither names the pairing.
  • Specifications are published for it, each with its source.
  • 1 figure is contradicted by another credible source. Both readings are shown below, and neither is presented as the correct one.

Battery and charging

Communications bus
CANBUS and RS485, including Victron

Row from the maker’s page: “Communications” | “CANBUS / RS485, including Victron ecosystem communication support”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Voltage
12.8 V nominal

“Voltage and capacity Nominal voltage 12.8V Nominal capacity 300Ah Nominal energy 3.84kWh / 3840Wh”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Rated charge cycles
6,000+ cycles

Row from the maker’s page: “Cycle life” | “6,000+ cycles”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Cell arrangement
Four in series, three in parallel

“Chemistry LiFePO4 / lithium iron phosphate Cell configuration 4S3P Bluetooth Yes - iOS / Android app support with over-the-air firmware updates”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Nominal capacity
300 Ah

Row from the maker’s page: “Nominal capacity” | “300Ah”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Maximum continuous discharge
300 A continuous, and 150 A recommended

Row from the maker’s page: “Max continuous discharge” | “300A”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Recommended continuous discharge
150 A recommended continuous

“Max continuous charge current 300A Recommended charge current 150A Recommended discharge current 150A”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Cranking current
1,000 A for five seconds, 800 A for ten

Row from the maker’s page: “Cranking peak current” | “1,000A @ 5 seconds; 800A @ 10 seconds”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Peak discharge
Sources disagree
  • 1000 A for 5 seconds

    “Peal /Surge current limit 800A-10s SOC>60% 800A-10s 1000A-5s Short circuit current 1000A-500μs 1200A-500μs 1200-500μs”

    Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/Epoch_DP_Series_User_Manual-V06_0422-new.pdf?v=1723136772

  • 800 A for 10 s here, 1000 A for 5 s in the other manual

    “Peal /Surge current limit 800A-10s SOC>60% 800A-10s 800A-10s Short circuit current 1000A-500μs 1200A-500μs 1200-500μs”

    Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/Epoch_DP12120H_User_Manual-V0_ENG.pdf?v=1700375927

Highest charge current it will take
300 A charging, 150 A recommended

Row from the maker’s page: “Max continuous charge current” | “300A”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Stated energy
3.84 kWh

Row from the maker’s page: “Nominal energy” | “3.84kWh / 3840Wh”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Charging voltage
14.2 V charging, 13.8 V float

“Model Recommended Charge Voltage Recommended float voltage Max. Charge Current Recommended Charge Current Operation Temperature 12V 14.2V 13.8V 1C 0.5C Charge: 0~60℃ Discharge: -20~65℃”

Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/Epoch_DP_Series_User_Manual-V06_0422-new.pdf?v=1723136772

Working voltage range
Works between 10.0 V and 15.4 V

“Operating voltage range 10.0V - 15.4V Maximum charge voltage 15.4V Internal resistance <30mΩ”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Battery care and safety

Temperatures it may be charged in
Takes charge to −20 °C because it heats itself

Row from the maker’s page: “Charge temperature range” | “-20°C to 55°C / -4°F to 131°F, with heating”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Size and fit

Group the maker sells it as
Group 8D footprint

Row from the maker’s page: “Battery group size” | “Group 8D footprint”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Series and parallel connection
Up to four in series, making 48 V

Row from the maker’s page: “Series connections” | “Max 4 batteries in series, up to 48V”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Identity

What its maker sells it for
Dual-purpose: it cranks an engine and cycles

“General Brand Epoch Batteries Model / SKU DP12300H Series Pro Series Battery type Dual-purpose cranking and deep-cycle LiFePO4 battery”

Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

Manufacturer's product code
R-T12300B

Unconfirmed

“This specification defines the performance of rechargeable LiFePO4 battery pack R-T12300B manufactured by EPOCH BATTERIES, it describes the type, performance, technical characteristics, warning and caution of the battery pack.”

Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/DP12300H_Product_Specification.pdf?v=1723136731

Other findings

Energy
3840 Wh

“Nominal energy 1536Wh 2560Wh 3840Wh Nominal capacity 120Ah 200Ah 300Ah”

Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/Epoch_DP_Series_User_Manual-V06_0422-new.pdf?v=1723136772

Devices documented to run on this

The figures below line up. Neither manufacturer states that this pack runs this device — that is our reading of what each of them published separately, not a claim by either of them or a test by us. Even where every stated figure agrees, these can still decide it:

  • The device’s published draw is usually a peak, not the load it holds — the two numbers are not the same kind of quantity
  • A maker’s amp-hour minimum and their reserve-capacity minimum can give different answers about the same battery
  • Conditions attached to the chemistry, such as a speed limit for running on lithium
  • Whether the pack may be wired in series at all, where the device needs 24 or 36 volts
  • The charger, which both makers put conditions on and neither supplies
  • Case size, hold-down and terminal type — fitting the space is not being secured in it

Worth confirming with the device's manufacturer or a dealer before buying.

Minn Kota's manual for this motor asks for at least a 105 amp-hour rating.

What the capacities do not settle is what each maker says this kind of battery is for.

Epoch sell it as a "Dual-purpose cranking and deep-cycle LiFePO4 battery" and print 1,000 A at five seconds beside the 300 Ah.

Minn Kota say a cranking battery "is not suitable for use with an electric trolling motor because they focus on quick, strong burst of power to start your outboard engine vs long-lasting power for trolling motor use".

Their objection is to a battery built only for cranking and Epoch's claim is that this one is built for both — but Minn Kota have not said a dual-purpose pack answers it, and Epoch have not addressed Minn Kota.

Both sentences are here because neither company has resolved the other.

Minn Kota attach a condition to lithium that no comparison of capacities can settle either: this motor is "specifically designed to run on traditional lead-acid batteries", and running it above 85% "for a prolonged period could cause permanent damage to the motor".

Neither company has named the other and nobody has tested the pairing.

Epoch rate this pack at 300 amp-hours each, which clears that and their website guide's 110 as well.

Minn Kota forbid mixing types in such a string: "Do not connect a Lead-Acid and Lithium in a series to create a 24-volt system".

Neither company names the other and nobody has tested the pairing.

Compared on continuous figures only: nothing here is about surge.

Source: forestriverinc.com/files/component-manuals/Electrical/Progressive Dynamics - Inverter Model PD1600 Series Operation Guide.pdf

Sources

  • Progressive Dynamics PD1600 Series Operation GuideManufacturer document

    Progressive Dynamics

    Source: forestriverinc.com/files/component-manuals/Electrical/Progressive Dynamics - Inverter Model PD1600 Series Operation Guide.pdf

    Retrieved September 20, 2026

  • Epoch Batteries — DP12120H User Manual (V0)Manufacturer document

    Epoch Batteries

    Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/Epoch_DP12120H_User_Manual-V0_ENG.pdf?v=1700375927

    Retrieved September 12, 2026

  • Epoch Batteries — DP Series User Manual (V06)Manufacturer document

    Epoch Batteries

    Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/Epoch_DP_Series_User_Manual-V06_0422-new.pdf?v=1723136772

    Retrieved September 12, 2026

  • 12V 300Ah Marine Cranking & Deep Cycle Battery | EpochArchived document

    Source: epochbatteries.com/products/12v-300ah-group-8d-lifepo4

    Retrieved October 19, 2026

  • Archived document

    Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/DP12300H_Product_Specification.pdf?v=1723136731

    Retrieved September 12, 2026