Brand Name : TAC OEM & ODM
Model Number : IFM12.8V-21AH-E2C
Certification : MSDS REACH ROHS
Place of Origin : Shenzhen zhuhai
MOQ : 500 pcs for single cell , 50pack for battery packs
Price : USD 200
Payment Terms : 100% prepaid before shipping out
Supply Ability : 100000PCS EACH WEEK
Delivery Time : 7-10 days after order confirm for stock model
Packaging Details : meet UN38.3 Certification
Material : 12V Lithium Battery
voltage : 12v
capacity : 21ah
circle life : 2000 times base on 80% dod
warranty : 1 year
housing : waterptoof abs
color : blue
cell : IFR18650 1.5AH 3.2V Single cell
1. 12v 21ah Lithium battery pack assembled by LFR18650 1500mah 3.2v cell iwith 4s14p
2. the battery pack with waterproof housing and bms
3. Longer life, more than 2000 cycles base on 80% DOD
4. No memory effects
5. Low self-discharge rate, less than 3% monthly can be meet long time stock require
6. Environment friendly, Non-toxic, all raw material passed the Reach certification
No. | Item | General Parameter | Remark |
1 | Rated Capacity | 21Ah | Standard discharge(0.2 C5)after standard charge(0.2 C5) |
2 | Minimal Rated Capacity | 19.6Ah | |
3 | Nominal Voltage | 12.8V |
|
4 | Cycle Life | Higher than 60% of the Initial Capacity of the Cells | ◆Charge: CC@0.2C to 14.6V, then CV till current to 0.05C ◆Rest: 30min. ◆Discharge: 0.2C to 10.0V ◆Temperature:20±5℃ ◆Carry out 2000cycles |
5 | Discharge cut-off voltage | 10.0V | 10.0V( recommended) |
6 | Charging cut-off voltage | 14.8V | 14.6V (recommended) |
7 | Cell and assembly method |
|
|
IFR18650EC 1.5AH | 4S14P | ||
8 | Housing material | ABS+PC housing |
|
9 | Standard charge | 0.2C constant current(CC) charge to 14.6V,then constant voltage (CC)14.6V charge till charge current decline to ≤0.05C | Charge time : Approx 7h |
10 | Standard discharge | Constant current 0.2C Cut-off voltage 10.0V |
|
11 | Maximum Charge Current | 1C | (0.2C Recommended) |
12 | Continuous Discharge Current | 1C |
|
Peack Discharge Current | 5C |
| |
13 | Operation Temperature Range | Charge: 0~45℃ | 60±25%R.H.
|
Discharge: -10~60℃ | |||
14 | Storage Temperature Range | Less than 1 year : 0~25℃ | 60±25%R.H. at the shipment state |
Less than 3 months:-5~35℃ | |||
15 | Weight | Approx:2.9Kg |
|
16 | Max.Dimension | Height:132mm | 132mm*77mm*140mm |
Width: 77mm | |||
Length: 140mm |
12V Lithium Battery Pack 21Ah for Off-Grid Solar System With Waterproof Housing Images |