1. Model: QWW 12V 300Ah

2. Cell information: LiFePO4

3. System power capacity: 3840Wh

4. System Voltage: Nominal voltage 12.8V, working voltage range (10-14.6V)

5. Series-parallel support: support for simultaneous series-parallel connection, up to 4 series and 4 parallel connection

6. Lead-acid battery alternatives

7. The lead-acid replacement lithium battery usually can be used on solar street light, RVs, golf carts, yachts, boats, solar energy storage system for residential, robot, etc.

QWW 12.8V 300AH Lead Acid Replacement Battery Technical Specification

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	12.8V
	300AH
	3840WH
	522240H218mm/ customized
	600A(<3S)
Discharge Cut-off Voltage	10.0V
	14.6V
	7A ( 0.2C)
	<20mΩ

	Approx. 26.1kgs
	3 years warranty, and 5 years limited maintenance
Self-discharge	Less than or equal to 3.5% per month at 25 degree

	4S1P, Cylindrical Cell
	2500-4000 Cycles @ 0.2C Charging / Discharging, Until 70% Capacity
	0 degree to 45 degree (32℉ to 113℉) @60±25% Relative Hum
	-20 degree to 60 degree (-4℉ to 140℉) @60±25% Relative Hum
	At {{0}} degree ~45 degree temperature, charged to 14.6V at a constant current of 0.2C, and then changed continuously with constant voltage of 14.6V until the current was not more than 0.02C

Main feature of QWW 12v 300ah lifepo4 battery with LCD display:

* Three-year worry-free warranty.

* Over 4500 Cycles at 80% DOD.

* Supports 4pcs* 12V Batteries connect in series to get 48V .

* The shell with LCD screen reach IP57 protection rating

* Maximize your energy potential with 85%+ Depth of Discharge (DOD).

* Superior OEM solution allowed for your requirements on data/ size/capacity even replacement such as changing your lead acid battery to LiFePO4.

* QWW lead-acid replacement batteries match 98% of inverters on the market

Our 12V 200Ah Lead-acid replacement LFP battery with LCD display

Our lead-acid replacement batteries are long-lasting, lightweight and cleverly designed with a built-in LCD display that can be custom-made to suit your application. Supports series and/or parallel connection. We have other 10AH-500AH lead acid replacement batteries available, please contact us for more details.

QWW 12.8V 300AH Lead Acid Replacement Battery Main Application Scenarios

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A: Lithium batteries are perfect for any camping trip where you can use everything but the kitchen sink, but still need power at your fingertips. Deep-cycle lithium batteries are one of the safest ways to supply power. They are not as volatile as petrol, gas or AGM batteries or lead acid batteries.

Q: How many solar panels required to charge 300Ah battery?

A: It takes at least 8 x 100W solar panels to fully charge a 12V 300ah battery in 5 hours. If the battery is only 50% discharged, it will be ready in about 2.5 hours. Lithium deep cycle batteries have a discharge rate of 85-100% and are more efficient.

A: If you are a more regular, serious camper, or if weight is an issue, then a lithium battery would be the best choice. These are much lighter than the lead acid batteries and have a greater charging efficiency, charge at a higher current rate and you can safely use up to 80% of the charge.

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