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Deep Cycle Lithium Battery 12 volt 100Ah LiFePO4 Battery For Solar off grid

Categories Lithium Battery 12 Volt
Brand Name: RJ
Model Number: RJ-12V-Lithium-Battery
Certification: CE/KC/MSDS/UN38.3/ROHS//UL/IEC62133
Place of Origin: China
Price: USD1-10000.00 / PCS (FOB Shenzhen)
Payment Terms: T/T
Supply Ability: 100000 Piece/Pieces per Month
Delivery Time: 7 days
Packaging Details: Wooden box & Carton Package
MATERIAL: LiFepo4 Lithium battery
LIFE CYCLES: >6000times(100%DOD)
LIFESPAN: >20years
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Deep Cycle Lithium Battery 12 volt 100Ah LiFePO4 Battery For Solar off grid

Deep Cycle Lithium Battery 12 volt 100Ah LiFePO4 Battery For Solar

off grid


1. Is RJ 12 Volt lithium battery chemistry Lithium-Iron Phosphate or LiFePO4 or LFP ?

Yes, we are lithium battery manufacturer for over 16years, we, for years, have been focusing on Lithium-iron-phosphate, LiFePO4, LFP, which is the safest in performance and has the longest lifecycles of all the li-ion battery types in the market. Our RJ 12 Volt Lithium batteries has a lot of advantages over other battery chemistries. Safe and reliable, no thermal runaway no catastrophic meltdown, above all, its long cycle life, 6000cycles at 100% DOD, under high rate of 2C discharge and 1C recharge rates, and the round-trip of efficiency reach 99.2%, with this outstanding performance, our RJ 12 Volt Lithium battery is now a best solution when it comes to energy storage application.

2. Can you elaborate what BMS is, what specific functions does it provide?

Not just 12v lithium battery needs a BMS, actually, all lithium battery , from 12V up to 96V, all the needs a BMS for Protection.

Our RJ 12 volt lithium battery is made with a built-in BMS which provides functions as below:
● Over charge protection
● Over discharge Protection
● Short Circuit Protection
● Over current protection
● cell Balancing function :
● RS485/RS232/Bluetooth/Wireless communication function(Optional)

3. Is Battery Management System (BMS) a must in RJ 12 volt lithium battery?

Yes, if you take a look at the discharge diagram of LFP cell, you will see the working voltage of it is between 2.5V to 3.65V. within this range, the energy of a lifepo4 cells will be drawn out totally. And if discharge and charge exceed this range, it will cause damage to the lithium cells, which is not allowed. This is why we always need to make a lifepo4 12V lithium battery with a BMS inside the battery pack to protect it.

Another function that BMS will provide is the cell function. The great performance of 12 volt Lithium batery relys on the consistency of the lifepo4 cells inside it. The BMS will monitor each battery cell while charging, and provide auto cell balance at the end of charge cycle to ensure each cell will be the same voltage after charged. There are two options for Cells balance function, active and passive cell function. All RJ 12 volt lithium battery will adopt the passive cell function if not specially required, because under most of the situation, passive cell function is already enough.

4. Why 12V lithium battery safest of all li ion battery type?

our 12V lithium battery is made of Lithium Iron Phosphate, namely, LiFePO4 batteries, which are the safest chemistry of all kinds of Lithium batteries, why is that? We have several internaitonal test that proves this. UN38.3, 1.2M drop test, Destructive test, over heat test, over current test, short circuit test, when doing this, the lifepo4 cells are perfectly working without overheat, nor catch on fire, nor explosion, nor expand etc. material in LiFePO4 batteries is not hazardous, no pollusion to the environmental neither. Each lifepo4 lithium prismatic cell has a vault in the outer shell, when unexpected air generated internally, it will automatically open to release the extra pressure of air, this makes sure no explosion possible.

Specification of 12V 100Ah Lithium battery

Battery TypeLiFePO4
Nominal Voltage12.8V
Nominal Capacity100Ah
Internal Resistance≤20mΩ
Series & Parallel Applicationup to 4 series 4 parallel connected application
Limited Charge Voltage14.6±0.2V
Floating Charge Voltage13.8±0.2V
Charge MethodCC/CV
Discharge Cut-off Voltage10.0V
Standard Charge Current20A
Max. Charge Current100A
Standard Continuous Discharge Current100A
Max. Continuous Discharge Current (<30min)100A
Pulse Discharge Current (<3s)200A
Cycle Life> 6000 cycles
Dimension (mm)Length: 323±2 Width: 171±2 Height: 232±2
Charge Temperature Range0~45℃
Discharge Temperature Range-20~60℃
Recommended Operating Temperature15~35℃

Built-in BMS

No.ItemTest ItemCreterion
1VoltageCharging VoltageDC:14.4V CC/CV
Balance voltage for single cell3.50±0.025V
2CurrentBalance voltage for single cell35±5mA
Current consumption≤50μA
Maximal continuous charging current100A
Rated continuous discharging current100A (Peak 200A)
3Over charge ProtectionOver charge detection voltage for single cell3.65V±0.025V
Over charge detection delay time0.7S—1.3S
Over charge release voltage for single cell3.550±0.05V
4Over discharge ProtectionOver discharge detection voltage for single cell2.50V±0.07V
Over discharge detection delay time1.6±0.5S
Over discharge release voltage for single cell3.00±0.75V
5Over current ProtectionOver current detection current500±50A
Over current detection delay time1.6±0.5S
Release conditionCut load
6Short ProtectionDetection conditionExterior short circuit
Detection delay time230uS—500uS
Release conditionCut load
7ResistanceProtection circuitry (MOSFET)≤60mΩ
8TemperatureOperating Temperature Range-40~+85℃
Storage Temperature Range-40~+125℃

12V Lithium Battery is a high energy density and deep cycle battery built with prismatic lifepo4 battery cells as well as BMS. LiFepo4 is the most safe and longest life cyles chemistry, 6000cycles at 100% DOD, with the in built BMS which manage and protect the battery while working in its peak level. Our 12 v lithium battery serve as "drop in replacement", it is very convenient in use, nearly plug and play for many application such as RV, marine boat , golf car, solar energy system etc. you will find it the best solution ever for you to replace the heavy and large and old lead acid or gel or AGM battery.

Quality Deep Cycle Lithium Battery 12 volt 100Ah LiFePO4 Battery For Solar off grid for sale
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