Passive Components

1. Home
2. Products
3. Electronic & Electrical
4. Passive Components

Share us

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

TB12300F-S103A_00

Send Inquiry

Description

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 NEW ENERGY 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 | ≤20m[Ω] |
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

Read More