4s 21a Li-ion Lithium Battery 18650 Charger Protection Board 14.8v 16.8v

US $12.66

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

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4S 21A Li-ion Lithium Battery 18650 Charger Protection Board 14.8V 16.8V The protection plate using the Japanese Seiko lithium polymer rechargeable battery protection IC/ AO MOS tube; & characteristics: (1) for the high precision voltage detection function of each battery; (2) paragraph 3 overcurrent detection function; (3) the charge and discharge can control the battery through the MOS tube; (4) wide operating temperature range of -40 DEG C ~ +85 ~ C; (5) with low current consumption. Description: & technical parameters: The 1 voltage charging voltage of DC:18V CC/CV,max20V Single balanced voltage 2 Current Single battery consumption (consumable) is less than or equal to 80uA Maximum continuous discharge current 21A 3 overcharge protection overcharge detection voltage 4.325V + 0.025V Overcharge detection delay time 1.2S Over charge voltage recovery 4.075V 4 over discharge protection over discharge detection voltage 2.5V + 0.10V Over discharge detection delay time 144MS Over discharge recovery voltage of 2.9V + 0.10V 5 overcurrent protection over current detection voltage 435 + 30mV Over current detection current 100A + 1A Over current detection delay time 9ms Restore state automatic recovery 6 short circuit protection status of external short circuit detection Detection delay time <320 us Restore state automatic recovery 7 resistance protection circuit (MOSPET) is less than or equal to 12m. 8 working temperature range of +40 DEG C 52 ~ Storage temperature range of 40 ~ +125 C 9 dimensional (L*W*H) 93*45*8.5MM & welding points: B+ is connected with the anode of the battery pack; Connect the battery and the battery 1, B1 2 Intermediate point; Contact, B2 connected battery 2 and 3 in the middle of the battery; Contact, B3 connected battery 3 and 4 in the middle of the battery; - B batteries cathode; C- connected with the charging end cathode; P- is connected with a discharging end cathode. wiring legend protection board: Package Included: 1 x 4S 21A Li-ion Lithium Battery 18650 Charger Protection Board 14.8V 16.8V 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!