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NAB788 2S 7.4V 18650 lithium battery protection plate 8.4V lithium battery protection board 13A operating current 20A current limit

Overcharge voltage range: 4.25-4.35v + 0.05v
Size: 46*20*3.6mm 
Over voltage range: 2.5-3.0v + 0.05v
Upper operating current: 13A 
Operating temperature: -40---+50 centigrade
Upper limit instantaneous current: 20A 
Storage condition: -40-- +80 DEG C
Quiescent current: less than 10uA 
Effective life: more than 50000 hours
Internal resistance: less than 300m ohm
Short circuit protection: it can be protected and needs recharging
Charging voltage: 8.4V-9V

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