Name: 12.8V 300Ah Marine House Battery
Brand: MANLY
SKU: MH12-300

Question 1

What is MH12-300 intended for?

Accepted Answer

MH12-300 LiFePO4 platform for high-runtime marine house power, reviewed around onboard loads and installation conditions. Final suitability is confirmed against the actual application, electrical load, charging source and installation conditions.

Question 2

What must be checked before installing MH12-300 on a vessel?

Accepted Answer

Confirm the house, trolling or propulsion load, continuous and peak current, alternator and shore-charging arrangement, compartment, cable length, terminals and environmental exposure. Bluetooth, display and CAN or RS485 are optional on marine configurations.

Question 3

Which features can be confirmed or modified on MH12-300?

Accepted Answer

Depending on the platform, the review can cover BMS current, communication, display, heating, enclosure, mounting, terminals, cables, connectors, labeling and a voltage-matched charger. Feasibility and pricing follow the confirmed scope.

Question 4

Is the published information for MH12-300 the final production specification?

Accepted Answer

It is a product-selection reference. The final datasheet, CE and MSDS scope, dimensions, electrical limits, optional functions, warranty, MOQ and lead time are confirmed in the quotation or project agreement before production.

Model	MH12-300
Nominal voltage	12.8V
Nominal capacity	300Ah
Chemistry	LiFePO4
Primary application	High-runtime marine house power
Reference specification	640 × 245 × 200mm; approx. 28.0kg; 300A continuous
Nominal energy	3.84kWh
Housing	Black engineering-plastic
Charge voltage	14.6V
Terminal	M8 Heavy-Duty
Optional features	Bluetooth, external display, CAN / RS485 and self-heating
Communication	Bluetooth, external display and CAN / RS485 optional
Operating temperature	Charge 0–55°C; discharge -20–70°C
Housing / protection	Plastic Housing / IP67

12.8V 300Ah Marine House Battery