Shenzhen Topband Battery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1Gwh/year |
| Delivery Time | 2~4weeks for samples; 4~6weeks for mass production |
| Packaging Details | standard export carton, UN Carton Box |
| Nominal Voltage | 12V (LFP-4S) |
| Typical Capacity | 300Ah |
| Nominal Charge Voltage | 14.6±0.5V |
| Allowed MAX Charge Current | 150A |
| Allowed MAX Discharge Current | 200A |
| Weight (No accessories) | Weight (No accessories) |
| Charge Performance at Low Temperature | Battery can be charged at -20℃ |
| Internal Resistance | ≤30mΩ @1kHz AC |
| Brand Name | Topband |
| Model Number | TB-BL12300F -S107A_HEAT |
| Certification | MSDS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1Gwh/year |
| Delivery Time | 2~4weeks for samples; 4~6weeks for mass production | Packaging Details | standard export carton, UN Carton Box |
| Nominal Voltage | 12V (LFP-4S) | Typical Capacity | 300Ah |
| Nominal Charge Voltage | 14.6±0.5V | Allowed MAX Charge Current | 150A |
| Allowed MAX Discharge Current | 200A | Weight (No accessories) | Weight (No accessories) |
| Charge Performance at Low Temperature | Battery can be charged at -20℃ | Internal Resistance | ≤30mΩ @1kHz AC |
| Brand Name | Topband | Model Number | TB-BL12300F -S107A_HEAT |
| Certification | MSDS | Place of Origin | China |
| High Light | Deep Cycle Rv Battery ，Rv Deep Cycle Battery | ||
Lithium RV Camper Battery 12V300Ah, Low Temperature Charging, with Bluetooth function
1. General Information
This specification defines the performance of rechargeable LiFePO4 battery pack TB-BL12300F -S107A_HEAT manufactured by SHENZHEN TOPBAND BATTERY CO., LTD, describes the type, performance, technical characteristics, warning and caution of the battery pack. The battery pack supports Bluetooth communication function. Through Android and IOS APP, it can read the battery status and information. Especially due to the Android system’s openness, different smartphone manufacturer will have their own different Bluetooth hardware version and customized feature Android systems. So the APP may not work well on some smartphones (with Android system) due to the compatible issue. It is necessary for the customer to confirm whether the phone is compatible with the APP.
2. Specification(@Battery initial Temp25±5℃)
| NO. | Items | Criteria | Remarks |
| 2.1 | Rated Capacity | 300Ah | |
| Minimum Capacity | 288Ah | ||
| 2.2 | Energy | 3.84kWh | |
| 2.3 | Nominal Voltage | 12V (LFP-4S) | |
| 2.4 | Outgoing Voltage | ≥12.8V | |
| 2.5 | Internal Resistance | ≤30mΩ @1kHz AC | |
| 2.6 | Charge voltage | 14.6±0.5V | |
| 2.7 | Floating charge voltage | 13.8±0.2V | |
| 2.8 | Recommended charge current | ≤150A | |
| 2.9 | Maximum charge current | 150A | |
| 2.10 | Cycle life @DOD100% | ≥2000 cycles | After Normal charge,discharge @0.33C current to the end of discharge voltage. Repeat above process until discharge capacity reduce to 80% of initial value. |
| 2.11 | Maximum discharge current | 200A | |
| 2.12 | End of discharge voltage | 10.0V | |
| 2.13 | Series parallel application | Max. 4 groups in series | |
| 2.14 | Pre-charge to capacitive load | Available | Smooth the start current and no spark when connect to load |
| 2.15 | Dimension | Length: 520±3mm | |
| Width: 268±2mm | |||
| Height: 222±2mm | |||
| 2.16 | Weight | Approx: 38.0±1.0Kg | |
|
2.17 | Operating Temperature | Charging:0～45℃ | |
| Discharging:-20～60℃ | |||
| Recommended operating temperature:15℃～35℃ | |||
| 2.18 | Self-discharge rate | Residual capacity:≤2%/month;≤12%/year | |
| 2.19 | Storage Temperature & Humidity Range | Less than 1 month:-20℃～45℃,45%RH～75％RH | |
| Less than 3 months:-10℃～35℃,45%RH～75％RH | |||
| Recommended storage environment: 15℃～35℃,45%RH～75％RH | |||
| Longtime storage: If the battery need be stored for a long time, the voltage should be 13.2V (50%SOC) and stored in the condition as storage proposal. It needs at least one charge & discharge cycle every six months. | |||
3. Test Conditions
3.1 Standard Test Conditions
3.1.1 Unless otherwise specified, all performance tests are required conducted at temperature 25℃±2℃, Humidity less than 45%~75%RH.
3.1.3 Unless otherwise specified, the tested product is required unused within two months after outgoing.
3.2 Standard Charge Mode
"Standard Charge" means at 25±2℃ charge to limit voltage with 0.33C constant current, then charge with constant voltage until current less than 0.02C.
3.3 Quick Charge Mode
"Quick Charge" means at 25±2℃ charge to limit voltage with 0.5C constant current, then charge with constant voltage until current less than 0.02C.
3.4 Standard Discharge Mode
"Standard Discharge" means at 25±2℃ discharge to the cut-off voltage with 0.5C current.
3.5 Quick Discharge Mode
"Quick Discharge" means discharge with 0.67C current withstand 30 mins.
4. Product Performance
| NO. | Items | Criteria | Testing method | |
| 4.1 | Rated Capacity | 300Ah | Rest for 1 hour after fully charged, then discharge with 0.5C current until the battery reaches the discharge cutoff voltage. Repeat above process for three times, if the discharge time is not less than 120 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity. | |
| 4.2 | Minimum Capacity | 288Ah | ||
| 4.3 | Internal resistance | ≤30mΩ | 50% battery SOC state frequency of 1 KHZ ac resistance tester | |
| 4.5 | Cycle life (DOD100%) | ≥2000cycle | Discharge with the current of 0.33C until it can’t discharge, and then rest it for 1h. Charge the battery following CC (0.33C)/CV (14.6V) mode to full capacity, and then rest it for 1h. Repeat above process until fully charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life. | |
| 4.6 | Discharge Temperature Characteristics | -20℃ | ≥70% | At 25±5℃ discharge the battery with the current of 0.5C to the cut-off voltage and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.5C to the cut-off voltage. |
| -0℃ | ≥80% | |||
| 25℃ | ≥100% | |||
| 55℃ | ≥95% | |||
| 4.7 | Charge Retention ability | Residual capacity≥80% | Charge the battery to full capacity and store it for 28days, and then discharge it with 0.5C to the cut-off voltage. | |
| Recovery capacity≥90% | ||||
| 4.8 | Bluetooth communication | Through APP, the user can read the battery system information such as voltage, current, SOC, temperature, etc. | ||
5. Protective circuit specification
The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimize every 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.
| NO. | Items | Content | Specification |
| 5.1 | Over charge | Over-charge protection for each cell | 3.75±0.05V |
| Over-charge release for each cell | 3.60±0.05V | ||
| Over-charge release method | Under the release voltage | ||
| 5.2 | Over discharge | Over-discharge protection for each cell | 2.50±0.03V |
| Over-discharge release for each cell | 2.8±0.04V | ||
| Over-discharge release method | Charging recovery | ||
| 5.3 | Over current | Discharge over current protection | 255A±5A,delay time 30s±5s |
| Short circuit protection | Available | ||
| Over current release method | Recovering after 30s | ||
| 5.4 | Short | Do not short-circuit the electrodes | Designed For 800A～1000A /150-500us |
| 5.5 | Battery temperature | Charge over temperature | Protection @65±5℃ |
| Release @50±5℃ | |||
| Discharge over temperature | Protection @65±5℃ | ||
| Release @50±5℃ |
6. Dimensional Drawing (Unit: mm)
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1996
Total Annual:
240million-250million
Employee Number:
5000~5500
Ecer Certification：
Active Member
Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007. After years of rapid development, now Topband takes lithium battery as the ... Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007. After years of rapid development, now Topband takes lithium battery as the ...
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