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
Add to Cart
A. Extremely safe and stable chemistry: PCB and/or BMS built inside to balance protect the battery.
B. Long life-cycle: Can be circularly used, best can up to 2000 times recycles, 8 times of Lead acid battery.
C. Lighter weight, with the best power-to-weight ratio: 1/3 of Lead acid battery weight.
D. Good performance at high temperature and high temperature resistance
E. Low self-discharge rate, less than 3% monthly.
F. No memory effects and highly efficient charge.
G. Environment friendly: Clean and Green energy poses no pollution on our environment.
| NO. | Items | Characteristics | Testing Methods | |
| 1 | Nominal Voltage | 24V | Follow | |
| 2 | Nominal Capacity | 20Ah | Follow | |
| 3 | Minimum Capacity | 19Ah | Follow | |
| 4 | Battery internal Impedance | Internal Impedance≤60mΩ, | Internal Impedance Testing Machine( HIOKI 3555,1kHz ) | |
| 5 | Shipment Voltage | 25.6～27.2V | Multi-meter | |
| 6 | Dimension | Length | 196(±2)*165(±2)*174(±2)mm | Vernier caliper |
| Width | ||||
| Height | ||||
| 7 | Working Temperature | Charge | 0~50℃,45~85%RH | Temperature & Humidity Instruments |
| Discharge | -20~60℃,45~85%RH | |||
| 8 | Storage empe ature & Humidity Range | Short: above one month | -20~+55℃,45~85%RH | Temperature & Humidity Instruments |
| Medium: above three months | 0~+45℃,45~85%RH | |||
| Long:above one year | +5~+30℃,45~85%RH | |||
| 9 | Allowed maximum continuous charge current | 10A | Multi-meter | |
| 10 | Allowed maximum continuous discharge current | 20A | Multi-meter | |
| 11 | Allowed maximum reverse charge voltage | NO Allowed | / | |
| 12 | Allowed maximum charge voltage
| 29.2±0.2V | Multi-meter | |
| 13 | Discharge cut-off voltage | 20±1V | Multi-meter | |
| 14 | weight | About:6.8 KG | electronic scale | |
| No. | Items | Standards | Testing Methods |
| 1 | Short-Circuit | NONE | Prohibit output electrode short circuit |
| 2 | Over Discharge Protection Test | The battery should be no remarkable breakage, distortion. Appearance and charge are normal. | Discharge the battery at the rate of 0.2C with the load of 30Ω for 24h . Charging for 10sec with specified adapter , and check the voltage(≥37V) |
| 3 | Impact Test | The battery should be no explosion or catch fire | Place a full charged battery on a flat and put a stainless steel stick (Diamond 7.9mm) in the middle of the battery upright . Beat the steel stick with 9.1Kg |
