Flash Deals
2 string 7 2V 7 4V 8 4V lithium font b battery b font protection board
Click to see details
2 string 7 2V 7 4V 8 4V lithium font b battery b font protection board

2 string 7.2V 7.4V 8.4V lithium battery protection board protection circuit current 5A li-ion battery protective plate

100 % of buyers enjoyed this product!
Availability: in stock
Price:  $ 26.27 / lot
from AliExpress
45 days Money back 45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
On-time Delivery On-time Delivery
Guarantees: On-time Delivery 60 days

Sort By

Top-rated Seller


2 string 7.2V 7.4V 8.4V lithium battery protection board protection circuit current 5A

& Features: (A) high-accuracy voltage detection circuit; (2) Connect the charger terminals using high-pressure devices; (3) Built-in three-stage overcurrent detection circuit (overcurrent 1, overcurrent 2 and load short-circuit); (4) can be controlled by the MOS transistor of the battery charge and discharge; (5) Wide operating temperature range -40 ~ +50 ; (6) Low current consumption & Use: · Two strings of lithium nickel-cobalt-manganese, cobalt oxide, lithium manganese lithium-ion rechargeable battery; · 2 string lithium polymer rechargeable battery; & Technical parameters: No. Test items Standard A voltage Charging voltage DC: 9V CC / CV Single equilibrium voltage 2 Current Balance current for single Single drain the battery (consumable) ≤ 6uA Maximum continuous discharge current 5A 3 Overcharge Protection Overcharge detection voltage 4.29V Accuracy ≤ ± 0.025V Overcharge detection delay time 1s Overcharge recovery voltage 4.05V Accuracy ≤ ± 0.025V 4 Over-discharge protection Over discharge detection voltage accuracy ≤ ± 0.1V 3V Over discharge detection delay time of 128ms Over-discharge recovery voltage 3.2V Accuracy ≤ ± 0.1V 5 Over Current Protection Over current detection voltage accuracy ≤ ± 30mv 200mv Overcurrent detection current 10A Accuracy ≤ ± 0.3A Overcurrent detection delay time 12ms Restore state auto-recovery 6 external short circuit protection detection state Detection delay time ≤ 50us Restore state auto-recovery 7 internal resistance protection circuit (MOSPET) ≤ 20mΩ 8 Temperature Operating temperature range -40 ~ +50 Storage temperature range -40 ~ +125 9 Dimensions (L * W * H) 35 * 7 * 1.75 MM & Weld Description: · B + connected battery cathode; · B-take battery; · MB 1 and the cell 2 connected to the battery prior to the connection point; · P + connection charge / discharge upright pole (charging terminal / discharge side shared); · P-connection charge / discharge end of the negative (charging terminal / discharge side shared). & Wiring diagram: Shipping list: Lithium battery protection board X10

• All the items will be dispatched within 2 business days after your payment is clear.
• Note: China Post Air Mail/Parcel just belongs to worldwide post system which is much slower

than Special Delivery. Items will arrive in 7-25 business days to worldwide usually. And the

arrival time also depends on some factors and different areas. The general arrival time table is

shown below for your inference:

• If the item is defect when you receive it or you are not satisfied with it, please return it within

14 days for a replacement or money back. But the items must be back in factory condition.

Please contact us in advance and double check the return address before you return it.
• If item is defective in 3 months, we could send you a new replacement for free or offer full refund

after we receive the defective item.
• If item is defective in 12 months, we could also offer you replacement service, but you have to

pay for the extra shipping expenses.

• Our aim is to provide Top Level Customer Service, and our customer service specialists are

always standing by to solve any of your problem. We greatly appreciate your 5-STAR POSITIVE

feedback and please do NOT leave negative feedback without asking for help.

Average Star Rating:
0 out of 5 (0 Ratings)
Name Rating Feedback
Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

Most Popular from Category

Price:  $ 26.27 / lot
from AliExpress