1. General Information
This specification defines the performance of rechargeable LiFePO4 battery pack TB-BL12125F-S108A-HEAT 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 | 125Ah | |
2.2 | Nominal energy | 1.6KWh | |
2.3 | Nominal voltage | 12.8V (LFP-4S) | |
2.4 | Internal resistance | ≤30mΩ @1kHz AC | |
2.5 | Normal charge voltage | 14.6±0.2V | |
2.6 | Float charge voltage(for Standby use) | 13.8±0.2V | |
2.7 | Allowed MAX charge current | 80A @25±5℃ | |
2.8 | Recommended charge current | ≤60A | |
2.9 | Allowed MAX discharge current | 100A (30mins @25±5℃) | |
2.10 | End of discharge voltage | 9.6~11V | |
2.11 | Pulse discharge current | Withstand the 350A/3S | |
2.12 | Series & parallel connection function | Don't support | |
2.13 | Dimension | Length 337±3 mm | |
Width 172±2 mm | |||
Height 279±2 mm | |||
2.14 | Weight (No accessories) | 16±0.5Kg | |
2.15 | Operation temperature | Charge | -20~45℃ |
Discharge | -20~60℃ | ||
2.16 | Self-discharge rate | Residual capacity | ≤3%/Month; ≤15%/ year |
Recover capacity | ≤1.5%/Month; ≤8%/ year | ||
2.17 | Storage environment | ≤1month | -20~+60℃,5~75%RH |
≤3month | -10~+45℃,5~75%RH | ||
Recommend environment | 15~35℃,5~75%RH | ||
2.18 | Charge performance at low temperature | Battery can be charged at -20℃ |
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 | 125Ah | 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) | ≥70% | the percentage accord with criterion |
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. | |
3.7 | Communication function | Bluetooth | Customized Bluetooth APP | |
3.8 | Heating function | Heating when charging under low temperature | Heating on conditions: 1. Below the low temperature charging protection value -2 ° C. 2. Temperature is more than -30 ° C (the lowest temperature allowed to open the heating film) Meet the above two conditions to open the heating. Stop heating conditions: 1. Stop heating when above the heating termination temperature. 2. Stop heating when in the discharge state. 3. In the low temperature protection state, heating should be stopped when heating is for more than one hour or so. |
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±0.03V |
Over-charge release for each cell | 3.60±0.03V | ||
Over-charge release method | Under the release voltage | ||
4.2 | Over discharge | Over-discharge protection each cell | 2.50±0.03V |
Over-discharge release for each cell | 2.8±0.03V | ||
Over-discharge release method | Charging | ||
4.3 | Over current | Discharge over current protection | Level 1: 110±10A, delay 25--35s Level 2: 400±50A, delay 0.5--2s |
Discharge over current release | Charge or auto release after30S | ||
Short circuit protection | 500-520A 300—500us | ||
4.4 | Temperature | Charge over temperature protection | Protect@65±5℃; Release@50±5℃; |
Charge under temperature protection | Protect@-2±5℃; Release@3±5℃ | ||
Discharge over temperature protection | Protect@65±5℃; Release@50±5℃ | ||
Discharge under temperature protection | Release | ||
MOSFET over temperature protection | Protect@103±10℃; Release@75±10℃; |
5.Product dimension
6. Application: Industry Vehicles & LSVs Power Vehicles: EV, RV, Leisure, Marine, Caravan, Golf Cart/Trolly, Floor scrubber, E-forklifts, E-bus, E-logistics car, Motorcycle, lead-acid replacement, etc in low temperature environment.
7. Brief description of Bluetooth Function for Lifepo4 battery 12V 100Ah