Home ProductsRechargeable Marine Battery

Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

Product Details:

Place of Origin: China
Brand Name: Topband
Certification: MSDS
Model Number: TB12300F-S103A_00

Payment & Shipping Terms:

Minimum Order Quantity: 50pcs
Price: Negotiable
Packaging Details: standard export carton
Delivery Time: 2~4weeks for samples; 4~6weeks for mass production
Payment Terms: L/C, T/T
Supply Ability: 450Mwh/year
Contact Now
Detailed Product Description
Battery Material: Nano LiFePO4 Dimension: 520*221*269mm
Weight: 35Kg Charge Voltage: 14.6V
Charge Current: ≤80A Discharge Current: ≤100A
Peak Discharge Current: 350A(3S) Cut-off Discharge Voltage: 8V
Cycle Life: 1500cycles @100%DOD Warranty: 2 Years
Operate Temperature: -20°C~60°C Capacity: 300ah

Long-lasting over 2000cycsle 12V300AH Rechargeable Marine Battery, Lithium Iron Phosphate

 

1. General Information

This specification defines the performance of rechargeable LiFePO4 battery pack TB12300F- S103A manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.

 

2. Specification

NO Items Description
Normal Specification
1 Nominal Voltage 12.8V
2 Normal Capacity 300Ah
3 Internal Resistance ≤20mΩ
4 Series-Parallel application Not allowed
5 Communication function /
Standard Charge
6 Charge operation temperature range 0~45℃
7 Normal charge voltage 14.6±0.1V
8 Recommended float charge voltage(for Standby use) 13.8±0.1V
9 Allowed MAX constant charge current 80A@Battery initial Temp 25±5℃
10 Recommended charge current ≤80A
Standard Discharge
11 Discharge operation temperature range -20~60℃
12 Output Voltage Range 8.0~14.6V
13 Allowed MAX constant discharge current 80A @Battery initial Temp 25±5℃
14 Discharge peak current 100A/30min,350A/3s
15 Discharge end voltage 8.0V

 

NO Items Description
Mechanical Characteristics
16 Dimension Length 520±3mm
Width 269±3mm
Height 221±3mm
17 Weight Approx. 37.7Kg
Storage
18 Storage Temperature & Humidity Range Short: within one month -20~35℃, 45~75%RH
Long term: above one month -10~30℃, 45~75%RH
19 Self-discharge rate Residual capacity ≤3% per month; ≤15% per year
Reversible capacity ≤1.5%per month; ≤8% per year

 

3. Electrical Characteristics & Test Condition

Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.

 

NO Items Criterion Condition
1 Min Capacity ≥291Ah Rest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the cutoff voltage. you can stop and define the Discharging current*time value (Ah) as battery capacity.
2

 

 

Cycle life (DOD%100)

≥2000cycle

Charge / CC(0.33C)/CV(14.6V);

End current : 0.05C;

Rest time : 1h;

Discharge / CC(0.5C);

End voltage : 8.0V;

Repeat above process until discharge capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.

3

 

Discharge Temperature

Characteristics

-20℃ ≥70% At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. Record the ratio between discharging & charging capacity.
0℃ ≥80%
25℃ 100%
55℃ ≥95%
4 Charge Retention ability remain capacity≥90% Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage.

 

4. Circuit Protection

The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.

Test item Content Criterion
Over charge Over-charge protection for each cell 3.80±0.03V
Over-charge release for each cell 3.60±0.05V
Over-charge release method Under the release voltage
Over discharge Over-discharge protection for each cell 2.00±0.05V
Over-discharge release for each cell 2.30±0.05V
Over-discharge release method Charging
Over current Discharge over current protection 350~550A
Protection delay time 10~40ms
Over current release method Release after cutoff the load.

Over

Temperature

Battery over temperature Protection @65±5℃
Release @50±5℃

Over

Temperature

Battery lower temperature Protection @100±5℃
Release @70±15℃

 

5. Dimensional Drawing

Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

Contact Details
Shenzhen Topband Battery Co., Ltd

Contact Person: Jerry Yang

Send your inquiry directly to us (0 / 3000)

Other Products