Shenzhen Topband Battery Co., Ltd
A professional manufacturer of LiFePO4 battery / lithium iron phosphate, dedicated to designing, researching, manufacturing, and exporting LiFePO4 batteries( cell & pack & energy storage system) to
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1. General Information
This specification defines the performance of rechargeable LiFePO4 battery pack TB-BL1230F-SC-S110A_00 manufactured by SHENZHEN TOPBAND BATTERY CO.,LTD, describes the type, performance, technical characteristics, warning and caution of the battery pack.
2. Battery Specification(@ 25±5℃)
| NO | Items | Characteristics | |
| 2.1 | Normal capacity | 30 Ah | |
| 2.2 | Nominal energy | 384 Wh | |
| 2.3 | Nominal voltage | 12.8 V | |
| 2.4 | Internal resistance | ≤30 mΩ @1kHz AC | |
| 2.5 | Normal charge voltage | 14.6 V | |
| 2.6 | Float charge voltage(for Standby use) | 13.8 V | |
| 2.7 | Allowed MAX charge current | 30 A | |
| 2.8 | Recommended charge current | ≤15 A | |
| 2.9 | Allowed MAX discharge current | 30 A Peak current: 100A@2S | |
| 2.10 | End of discharge voltage | 10.0 V | |
| 2.11 | Dimension | 195 ± 3mm | |
| 165 ± 3mm | |||
| 175 ± 3mm | |||
| 2.12 | Weight (No accessories) | 5.0±0.5Kg | |
| 2.13 | Operation temperature | Charge | 0～45℃ |
| Discharge | -20～60℃ | ||
| 2.14 | Self-discharge rate |
Residual capacity | ≤3%/Month; ≤15%/ year |
| Recover capacity | ≤1.5%/Month; ≤8%/ year | ||
| 2.15 | Storage environment | ≤1month | -20～+60℃; 5～75%RH |
| ≥3month | -10～+45℃; 5～75%RH | ||
| Recommend environment | 15～35℃; 5～75%RH | ||
| 2.16 | Bluetooth APP | Able to monitor instant battery status via IOS & Android app ( SOC, current, voltage, temperature, cycles, errors, etc.) | |
3. Electrical Characteristics & Test Condition
Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.
Normal charge:Charge battery under CC(0.33C)/CV(14.6V) mode until over charge protection or the charge current reduce to 0.05C, and then rest for 1h.
| NO | Items | Criterion | Condition | |
| 3.1 | Normal Capacity | 30Ah | After Normal charge, discharge @0.33C current to the end of discharge voltage. | |
| 3.2 | Internal Impedance | ≤30mΩ | @50% SOC @1kHz AC internal resistance test instrument. | |
| 3.3 | Short circuit protection | Auto cutoff load when short circuit | Connect the positive and negative of this battery pack through a lead with 0.1Ω resistance. | |
| 3.4 | 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. | |
| 3.5 | Discharge temperature characteristic@0.33C | -20℃(6h) | ≥60% | Capacity @specified temperature Capacity @ 25℃
|
| 0℃(6h) | ≥80% | |||
| 25℃(4h) | ≥100% | |||
| 55℃(4h) | ≥95% | |||
| 3.6 | Capacity retention rate | remain capacity ≥96% | After normal charge, store the battery @25±5℃ for 28days, then discharge capacity @0.33C, the retention capacity accord with criterion. | |
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.
| No | Item | Content | Criterion |
| 4.1 | Over charge | Over-charge protection for each cell | 3.75 ±0.025V, delay time 2±0.2s |
| Over-charge release for each cell | 3.60 ±0.025V | ||
| Over-charge release method | Under the release voltage | ||
| 4.2 | Over discharge | Over-discharge protection each cell | 2.50 ±0.05V, delay time 2±0.2s |
| Over-discharge release for each cell | 2.80 ±0.05V | ||
| Over-discharge release method | Charging | ||
| 4.3 | Over current | Charge over current protection | 40 ±5A, delay time 15s±5s |
| Charge over current release | Discharge or auto release after 1min | ||
| Discharge over current protection | 40±5A,delay time 25s±5s | ||
| Discharge over current release | Charge or auto release after 1min | ||
| Short circuit protection | Do not short-circuit the electrodes | ||
| 4.4 | Temperature | Charge over temperature protection | Protect@65±5℃; Release@50±5℃; |
| Charge under temperature protection | Protect@-10±5℃; Release@0±5℃ | ||
| MOSFET over temperature protection | Protect@103±10℃; Release@75±10℃; | ||
| Discharge over temperature protection | Protect@65±5℃; Release@50±5℃; | ||
| Discharge under temperature protection | Protect@-10±5℃; Release@0±5℃ |
5. User guide
Product dimension
