Epoch Batteries 12V 300Ah Essentials — Heated

SKU 12300A-H

Epoch Batteries

Last updated: 21 September 2026

Battery and charging

Voltage: 12.8 V, 300 Ah, 3.84 kWh
Rated charge cycles: Over 4000 cycles at 80% depth
Capacity left at temperature: At least 60% of capacity after six hours at −20 °C
Charging voltage: 14.2 V charging, 13.6–13.8 V float
Voltage it cuts off at: 11.2 V for a load, 10.0 V at the BMS, 12.0 V to reconnect
Highest charge current it will take: 200 A allowed, 50 A recommended
Series and parallel limit: Tested to 4 in series and 4 in parallel

Battery care and safety

Ingress protection: Sources disagree

Size and fit

Torque for the battery terminal nuts: Sources disagree

Other findings

App monitors one battery only: The app reads one battery, not a bank
Communication ports: Bluetooth, CAN bus and RS485
Dimensions published in inches only: Inches only — the millimetre figures were left blank
Dimensions with handles and bolts: 13.75″ at the base, 15.25″ over the handles
Low capacity alarm threshold: An audible alarm at 10% remaining
Low voltage disconnect: Cuts off at 10 V, reconnects at 12 V
Minimum capacity: 295 Ah guaranteed against 300 Ah rated
Series configuration affects heating: Wiring in series may stop the heater working
Storage environment: Six months at 0–30 °C, three at −10–45 °C

United States — CPSC

We did not match this product to any recall in the data we hold from CPSC, last checked September 23, 2026. Check CPSC’s own search: cpsc.gov/Recalls

United States — NHTSA & Coast Guard

We did not match this product to any recall in the data we hold from NHTSA or the US Coast Guard, which we hold records from but do not yet check on a schedule. Check NHTSA’s own search: nhtsa.gov/recalls

European Union

We did not match this product to any recall in the data we hold from the European Union, last checked September 23, 2026. Check the European Union’s own search: ec.europa.eu/safety-gate-alerts/screen/search

United Kingdom

We did not match this product to any recall in the data we hold from the United Kingdom, last checked September 23, 2026. Check the United Kingdom’s own search: gov.uk/product-safety-alerts-reports-recalls

Australia

We did not match this product to any recall in the data we hold from Australia, last checked September 14, 2026. Check Australia’s own search: productsafety.gov.au/recalls

Canada

We did not match this product to any recall in the data we hold from Canada, last checked September 23, 2026. Check Canada’s own search: recalls-rappels.canada.ca/en/search

France

We did not match this product to any recall in the data we hold from France, last checked September 23, 2026. Check France’s own search: rappel.conso.gouv.fr

New Zealand

We did not match this product to any recall in the data we hold from New Zealand, last checked September 23, 2026. Check New Zealand’s own search: productsafety.govt.nz/recalls

Singapore

We did not match this product to any recall in the data we hold from Singapore, last checked September 23, 2026. Check Singapore’s own search: consumerproductsafety.gov.sg/consumers/safety-alerts-and-recalls

South Africa

We did not match this product to any recall in the data we hold from South Africa, last checked September 23, 2026. Check South Africa’s own search: thencc.org.za/product-recalls

Ireland

We did not match this product to any recall in the data we hold from Ireland, last checked September 23, 2026. Check Ireland’s own search: ccpc.ie/consumer-advice/product-safety/product-safety-notifications

South Korea

We did not match this product to any recall in the data we hold from South Korea, last checked September 23, 2026. Check South Korea’s own search: safetykorea.kr/recall/recallBoard

Norway

We did not match this product to any recall in the data we hold from Norway, last checked September 23, 2026. Check Norway’s own search: farligeprodukter.no/search

Netherlands

We did not match this product to any recall in the data we hold from the Netherlands, last checked September 23, 2026. Check the Netherlands’ own search: nvwa.nl/actueel/veiligheidswaarschuwingen/overzicht

Sweden

We did not match this product to any recall in the data we hold from Sweden, last checked September 23, 2026. Check Sweden’s own search: konsumentverket.se/artikellista/aterkallelser-och-varningar-for-sakerhetsbrister

Japan

We did not match this product to any recall in the data we hold from Japan, last checked September 23, 2026. Check Japan’s own search: recall.caa.go.jp

None of these is a statement that the product is safe or unrecalled — only that our searches found nothing. Each regulator’s own search is linked above.

Platforms — none listed

No sourced compatibility evidence is on file for this battery yet.

Sources

Epoch 12300A-H — User Manual, revised 04/04/24MANUFACTURER DOCUMENT
Epoch Batteries
Source: cdn.shopify.com/s/files/1/0251/0484/2798/files/12300A-H_User_Manual.pdf
Verified September 21, 2026