High Capacity 12V 300Ah XT Lithium Battery for Solar Energy Storage
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High Capacity 12V 300Ah XT Lithium Battery for Solar Energy Storage


12V 300Ah XT Lithium Battery

12V 300Ah XT Lithium Battery

12V 300Ah XT Lithium Battery Benefits

Grade A Quality Cell

Polinovel XT12300 model 12V 300Ah lithium battery pack utilizes grade-A quality 3.2V 100Ah prismatic lifepo4 battery cells,

every cells are proven 100% new and strictly capacity graded to ensure high conformity of cells used in battery module.

12V 300Ah XT Lithium Battery Cell

Multiple Protection BMS

The lithium battery features an elegant BMS that provides multiple protections to keep the battery operating safely:
-Overcharge protection function -Overdischarge protection function
-Over current protection function -Over voltage protection function
-Temperature protection function -Short circuit protection function

12V 300Ah XT Lithium Battery BMS

Openable Cover

The battery case and the cover are fixed together with screws, this openable design provides freedom and flexibility.

When the battery is abnormal, you can do simple troubleshooting and recovery without damaging the battery case when

the battery is abnormal.

12V 300Ah XT Lithium Battery Cover

Fire Resistance Cap

Protective caps are added to the positive and negative terminals of the battery, the ABS+PBT flame-retardant material has

excellent insulation, weather resistance, moisture resistance, chemicals resistance. It reduces the risk of explosion caused

by sparks, keeps the battery safe and clear without dust, wet, rust or corrosion.

12V 300Ah XT Lithium Battery Cap

IP65 / Anti-Rust/ Anti-Corrosion

Waterproof battery case design, surface with 250℃ high temperature baking paint processing, can meet IP65 standard,

anti-rust and anti-corrosion, that is ideal for marine, boat, kayak etc watercrafts.

12V 300Ah XT Lithium Battery Waterproof Level

Enhanced Waterproof Performance

The battery cover extends outwards can drain water away better, and the concealed downward sealing gap protect the

battery from water in probability.

12V 300Ah XT Lithium Battery Flap

Portable Handle

The battery is portable, easy to carry and adjust the position during installation. The soft plastic material is comfortable to

hold and does not hurt your hands.

12V 300Ah XT Lithium Battery Handle

Scalable Battery System

The batteries support (4S) series or (4P) parallel connection so you can scale your system to provide increased power

and energy (up to 48V or 1200Ah) as needed.

12V 300Ah XT Lithium Battery Connection

Custom Design

Polinovel provides custom service to tailored the battery shape, size, terminal to meet your specific requests.

Additional functions also available, like LCD dispaly SOC, RS232, RS485, CanBus etc communication port.

12V 300Ah XT Lithium Battery Custom

Wide Applications

Polinovel offering extensive lithium batteries that are reliably installed in: RV, Camper, Trailer, Marine, Bass Fishing Boat

Trolling Motor, AGV ATV, Forklift, Floor Machine, Golf Cart Trolley, Solar Power Energy System etc.

12V 300Ah XT Lithium Battery Application





Electrical Parameter



Nominal Voltage


Nominal Capacity




Internal Resistance



LiFePO4 (Lithium Iron Phosphate)

Cycle Life

>6000 cycles @ 0.1C 50% DOD

Self Discharge


Charge Rate


Discharge Rate


Expandable Connection

4pcs in Series or Parallel



Charge Parameter

Charge Voltage


Charge Current


Max. Charge Current


Charge Method



Discharge Parameter

Constant Discharge Current


Pulse Discharge Current

200A (<5s)

Discharge Cut-off Voltage


Mechanical Parameter

Battery Case

SPCC Steel /  Aluminium /  Stainless Steel

Approx. Dimension


Approx. Weight






Environmental Parameter

Charge Temperature

0~45ºC (32 to 113ºF)

Discharge Temperature

-20~60ºC (-4 to 140ºF)

Storage Temperature

-20~45ºC (-4 to 113ºF)

IP Class


Product Inquiry


1010 Longnian Bld, 29 Longcheng Ave, Nanlian Area, Longgang St, Longgang Dist, Shenzhen, China 518116




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