联系人：孟祥贺
邮箱：972328524@qq.com
电话：18366068668
地址： 山东济南市历城区山东省济南历城区山大路街道山东济南市山大北路
| 型号 |
DBU20B-N12A2 |
类型 |
磷酸铁锂电池 |
| 负极材料 |
锡的氧化物 |
额定容量 |
20ah |
| 产品认证 |
CCC |
加工定制 |
否 |
| 标准电压 |
48 |
重量 |
20 |
| 产地 |
广东 |
厂家 |
华为/HUAWEI |
华为dbu20b-n12a2铁锂电池组48v20h 华为opm30m配套电池组
dbu20b-n12a2是华为生产的一款后备铁锂电池 功能
锂电模块dbu20b-n12a2为华为通信设备rru opm30m提供备电功能，在电源模块无电源输入时给通信设备供电，确保业务正常工作，提高供电可靠
性。外观图3-5 dbu20b-n12a2锂电模块外观
（1）运行指示灯
（2）告警指示灯
指示灯说明表3-8 锂电模块指示灯说明
| 指示灯
|
颜色
|
状态
|
说明
|
|---|---|---|---|
|
运行指示灯
|
绿色
|
常灭
|
模块无电源输入或故障
|
|
常亮
|
单板启动/自检/加载激活/未加载软件时单板上电
| ||
|
慢闪（0.5hz）
|
与监控通信正常
| ||
|
快闪（4hz）
|
与监控通信异常
| ||
|
告警指示灯
|
红色
|
常灭
|
模块无故障
|
|
常亮
|
单板故障/加热器故障/电芯n故障/地址冲突/锂电反接
| ||
|
慢闪（0.5hz）
|
放电过流保护/充电过流保护/高温保护/低温保护/异常关机/过充保护/过放保护
|
huawei dbu20b-n12a2 lithium iron battery pack 48v20h huawei opm30m supporting battery pack
dbu20b-n12a2 is a backup lithium iron battery produced by huawei
lithium battery module dbu20b-n12a2 provides standby power for huawei communication equipment rru opm30m. when the power module has no power input, it supplies power to the communication equipment to ensure the normal operation of business and improve the reliability of power supply
sex. appearance drawing 3-5 appearance of dbu20b-n12a2 lithium battery module
(1) operation indicator
(2) warning indicator
deion of indicator light table 3-8 deion of indicator light of lithium battery module
indicator light
colour
state
explain
operation indicator
green
constant extinction
the module has no power input or fault
chang liang
power on the board when the board starts / self checks / loads active / software is not loaded
slow flash (0.5hz)
normal communication with monitoring
flash (4hz)
abnormal communication with monitoring
warning indicator
gules
constant extinction
the module is not faulty
chang liang
board failure / heater failure / cell n failure / address conflict / lithium battery reverse connection
slow flash (0.5hz)
discharge overcurrent protection / charging overcurrent protection / high temperature protection / low temperature protection / abnormal shutdown / overcharge protection / over discharge protection
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