2s 4a Li-ion Lithium Battery 18650 Charger Protection Board 7.4v

US $47

???, ???, China
Jan 29th

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2S 4A Li-ion Lithium Battery 18650 Charger Protection Board 7.4V The protection plate using the Japanese Seiko lithium polymer rechargeable battery protection IC/ AO MOS tube; Characteristic. (1) the built-in high precision voltage detection circuit; (2) terminals connect the charger adopts high voltage device; (3) built in three sections of an overcurrent detection circuit (current 1, current 2, load short circuit); (4) the charge and discharge can control the battery through the MOS tube; (5) a wide operating temperature range of - 40 degrees C degrees C ~ +50; (6) with low current consumption & use: 2 string lithium nickel manganese cobalt, cobalt acid lithium ion rechargeable battery, lithium manganate; 2 string lithium polymer rechargeable battery; Description: Serial testing project standard The 1 voltage charging voltage of DC:9V CC/CV Single balanced voltage 2 current single balanced current Single battery consumption (consumable) is less than or equal to 6uA Maximum continuous discharge current 4A 3 overcharge protection overcharge detection voltage 4.29V precision less than 0.025V Overcharge detection delay time 1s Over charge recovery voltage of 4.05V precision less than 0.025V 4 over discharge protection over current detection voltage 3V accuracy less than 0.1V Over discharge detection delay time 128ms Over discharge recovery voltage of 3.2V precision less than 0.1V 5 overcurrent protection over current detection voltage 200mV accuracy less than 30mV Over current detection current 6.5A accuracy less than 0.3A Over current detection delay time 12ms Restore state automatic recovery 6 short circuit protection status of external short circuit detection The detection delay is less than 50uS Restore state automatic recovery 7 inner resistance protection circuit (MOSPET) is less than or equal to 30m. 8 temperature operating temperature range of +50 DEG C 40 ~ Storage temperature range of 40 ~ +125 C 9 dimensional (L*W*H) 35*7*1.75 MM & Weld Description: B+ is connected with the battery anode; - B is connected with the battery negative electrode; MB battery connection 1 and 2 before the battery connection point; P+ answer the charge / discharge end of the anode (charge / discharge end end share); P- answer the charge / discharge end (end of negative charge / discharge end share). wiring legend protection board: Package Included: 1 x 2S 4A Li-ion Lithium Battery 18650 Charger Protection Board 7.4V Dear buyers: Welcome to our store,Thanks! We try our best to provide you high quality and good service.Your satisfy is our aim. If you are satisfy with us,pleae leave five star positive feeback,and welcome to our store again,we will supply the good items and service all the time. If you are not 100% satisfied,Please don't leave a neutral or negative but contact us First, we will do our best to solve for you. Best Regards Shipping: We Ship to Worldwide, but Italy, Nigeria, Brazil will take long delivery time . Before buying, Please make sure your address is correct. Or not, please correct it before payment Ship to worldwide from Hong Kong within 12-24 hours after payment completed received, and will give you the tracking number asap. sometimes we will send it by flat post air mail if just one low price order.Hope you understand. we advise shipping by DHL or EMS,and we have gave a discount for you,you can received it in 4-9 business days. it takes about 15-30days usually if shipping by CHina/Hong Kong post air mail Warranty and return: 12-months Warranty for defective items (excluding items damaged and/or misused after receipt). Refund or replacement request is available only the requests within 1 week after parcel received & returning the item as the same condition as received. Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. All items returned must contain all original packaging materials. Please repack the item carefully. Items returned will be tested and a new replacement will be shipped to the buyer immediately when found defective. In the event that a suitable replacement is not available then a refund will be issued. Shipping, handling and insurance fees are non refundable. Return shipping is to be paid by the Buyer. Contact us: We have much more products, if you need or have any question ,please contact us by leaving message or use Ali Trade manager .Welcome to wholesale. Thank you so much!