Active Member
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[China]
Address: Topband Industry Park,Tangtou Town,Bao'an District,Sheznzhen,China
Contact name:Jerry Yang
Shenzhen Topband Battery Co., Ltd |
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| NO. | Items | Characteristics | Testing Methods | |
| 1 | Nominal Voltage | 12.8V | Follow | |
| 2 | Nominal Capacity | 50Ah | Follow | |
| 3 | Minimum Capacity | 47.5Ah | Follow | |
| 4 | Battery internal Impedance | Internal Impedance≤80mR | Internal Impedance Testing Machine(1kHz ) | |
| 5 | Shipment Voltage | 12.8～13.6V | Multi-meter | |
| 6 | Dimension | Length | MAX: 187*166*117mm | Vernier caliper |
| Width | ||||
| Height | ||||
| gross weight | 5.8kg | electronic scale | ||
| 7 | Working Temperature | Charge | 0~45℃,45~85%RH | Temperature & Humidity Instruments |
| Discharge | -20~55℃,45~85%RH | |||
| 8 | Storage Temperature & 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 | 30A | Multi-meter | |
| 10 | Allowed maximum continuous discharge current | 30A | Pulse current 300A/2S | |
| 11 | Allowed maximum reverse charge voltage | NO Allowed | / | |
| 12 | Allowed maximum charge voltage | 14.6±0.1V | Multi-meter | |
| 13 | Discharge cut-off voltage | ≤10V | Multi-meter | |
| No. | Items | Standards | Testing Methods |
| 1 | Short-Circuit | The battery should be no remarkable breakage, distortion. And charge normally. | Use a resistor with less than 0.05Ω to make the battery short circuit for 1 hour. The appearance and characteristics are normal. |
| 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(≥8.0V) |
| 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 |
5. Warning & Tips
Please read and follow the specification and caution remarks on
battery surface before use the battery. Improper use may cause
heat, fire, rupture, damage or capacity deterioration of the
battery. Shenzhen Topband Battery Co., Ltd. Describes is not
responsible for any accidents caused by the usage without following
our specification.
6. Typical Applications
· Energy Storage Systems (ESS)
· Hybrid Grid back-up
· Remote area power systems
· Communications systems
· Electric vehicles
· Marine environments
· Military & Aviation
· Industrial Machinery
· Uninterruptible Power Supplies
· CCTV & Data Transfer
