Description :

Model:YT640 6V4Ah YT640 is a general purpose battery with 5 years floating design life , meet with IEC, JIS standard .With heavy duty grid, thickness plates, special additives, YT series battery have long and reliable standby service life.
Product Specification
Voltage Per Unit 6V
Capacity 4.0Ah@20hr-rate to 1.75V per cell @25℃
Dimensions(Unit: mm)(L×W×H) 70×47×100(106)
Weight Approx. 0.7 Kg
Max. Discharge Current 40A (5 sec)
Internal Resistance Approx. 25 mΩ
Operating Temperature Range Discharge: -20℃~60℃
Charge: 0℃~50℃
Storage: -20℃~60℃
Normal Operating 25℃±5℃
Temperature Range
Float charging Voltage 6.85 to 6.95 VDC/unit Average at 25℃
Recommended Maximum 1.2 A
Charging Current Limit
Equalization and Cycle Service 7.3 to 7.4 VDC/unit Average at 25℃
Self Discharge YIKE batteries can be stored for more than 6 months
at 25℃. Self-discharge ratio less than 3% per month
at 25℃. Please charge batteries before using.
Terminal Faston Tab 187(F1)
Constainer Material A.B.S. (UL94-HB) , Flammability resistance of UL94-V2 can be available upon request.

Specification :

不需维护：电池在整个使用寿命期间不需要加水补液。 可靠性高、使用寿命长，特殊的密封结构和阻燃外壳，在使用过程中不会产生泄漏电解液的缺陷。 重量、体积比能量高，内阻小，输出功率高。 自放电小，20℃下每月的自放电率不大于2﹪。 满荷电出厂，无流动的电解液，运输安全。 无需均衡充电，由于单体电池的内阻、容量，浮充电压一致性优良，确保了电池在使用期间，无需均衡充电。 坚固的铜端子，便于安装连接，导电能力强。 计算机辅助设计和计算机控制主要生产过程，确保产品性能的一致性并达到设计标准。 *产品型号: YT640

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