What are the recommendations for series or parallel connections?

Before connecting, fully charge each battery individually. Only combine batteries of the same brand, model, BMS, capacity, and voltage, purchased within 3–6 months. For multiple batteries, use a busbar to distribute current.

How to choose inverter power?

Match battery power. 12V 314Ah with 200A BMS supports ~2000W, but below 2560W. If inverter is larger, set it correctly and limit total load under battery max to avoid overload.

Can I use this battery on a boat?

Yes, as a house battery for appliances like fridges or coffee makers. Place it in a dry compartment, away from splashes. Do not use it as a starter battery or for trolling motors.

Does the battery include a built‑in BMS?

Yes, it includes a smart BMS that prevents overcharge, over‑discharge, overcurrent, short circuits, overheating, and cell imbalance.

Is it safe to charge or discharge in cold environments?

Discharge allowed from -20°C to 60°C. But never charge below 0°C – the BMS blocks it and cold damages cells. For winter, bring inside above 5°C before charging.

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12V 300Ah (314Ah) LiFePO4 Lithium Battery with 200A BMS 15000+ Deep Cycles | 12.8V Rechargeable 4019Wh Lithium Low-tem Protection Battery for RV Solar Marine Solar Panel Camping Off Grid

12V 300Ah (314Ah) LiFePO4 Lithium Battery with 200A BMS 15000+ Deep Cycles | 12.8V Rechargeable 4019Wh Lithium Low-tem Protection Battery for RV Solar Marine Solar Panel Camping Off Grid

Product ID: 712112713

Details

Battery Capacity
3840 amp_hours
Battery Cell Composition
Other Than
Brand
yeagulch
Item Weight
57.3 pounds
Manufacturer
yeagulch
Number Of Cells
1

⚡200A built-in BMS

🔋314Ah high capacity

🌧️IP65 waterproof rating

$1426.36

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Description

🔋 Power your freedom with the battery that outlasts and outperforms!

ENDURANCE CHAMPION - 8000+ deep cycles for years of reliable power
ALL WEATHER WARRIOR - IP65 waterproof design built for rugged outdoor use
VERSATILE ENERGY HUB - Perfect for RVs, marine, solar, and off-grid adventures
SMART SAFETY GUARDIAN - Advanced BMS protects against overcharge, discharge & short circuits
FEATHERWEIGHT POWERHOUSE - 1/3 the weight of lead-acid with higher energy density

The 12V 314Ah LiFePO4 lithium battery delivers a massive 4019Wh capacity with an ultra-durable 200A built-in Battery Management System (BMS) that ensures safety and longevity through 8000+ deep charge cycles. Lightweight and compact, it offers superior energy density at just one-third the weight of traditional lead-acid batteries. Rated IP65 waterproof, it’s engineered for demanding outdoor environments—ideal for RVs, marine use, solar setups, and off-grid living. This battery is designed exclusively for energy storage, not engine starting, and includes smart protections like overcharge, over-discharge, and temperature safeguards for reliable, worry-free power.

Specifications

ASIN	B0DT8WMJSX
Battery Capacity	3840 amp_hours
Battery Type	Other Than Listed
Best Sellers Rank	#53,486 in Health & Household ( See Top 100 in Health & Household ) #107 in 12V Batteries
Brand Name	yeagulch
Compatible with Vehicle Type	Boat, Home Energy Storage, RV, Solar, Van
Customer Reviews	4.4 4.4 out of 5 stars (274)
Included Components	Bolts, Instruction Manual, Lithium Battery
Item Weight	57.3 pounds
Manufacturer	yeagulch
Manufacturer Part Number	AUYS95356-00
Manufacturer Warranty Description	5 year
Model Number	12.8V 314Ah
Number Of Cells	1
Size	12V(314Ah) 15.16×7.6×9.84 inch
Voltage	12.8, 12.8 volts

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