eBay

Product features:
1.The product adopts 5 strings of lithium battery special IC as the processor, real-time detection of each battery's voltage, charging and discharging current and environmental temperature and other information.
2. realizing the protection functions of over-charging, over-discharging and over-current discharging of the battery;
3. with protection functions such as short circuit, charging overcurrent and temperature protection;
4. the board is of good quality, with thick terminals of purple copper hardware, durable;
5. Long time use does not heat up, commonly used in Makita model lithium angle grinder battery pack.

Product parameters:
Charging voltage: 19/21V
Single charge voltage: 3.8/4.25V
Continuous discharge current: 8-30A
Overcharge single cell detection voltage: 3.85-4.25V
Overcharge protection delay time: 1S
Overcharge single-section recovery voltage: 3.75-4.13V
Overcharge protection release delay time: 1mS
Over discharge single section detection voltage: 2-2.8V
Over-discharge protection delay time: 1S
Over discharge single section recovery voltage: 2.5-3.0V
Over discharge protection release delay time: 100±20mS
Overcurrent detection voltage: 0.1-0.4V
Overcurrent detection current: 80±5A
Over-current detection delay: 1S
Recovery status: Automatic recovery
With or without short circuit protection: Yes
Short-circuit detection delay: 250uS
Short circuit release delay: 1S
Short circuit detection voltage: 0.8V
Recovery state: automatic recovery after disconnecting the load
Over-temperature protection temperature: 70±5℃
Over-temperature recovery temperature: 55±5℃
Power consumption working state: 30±5uA (25℃)
Sleeping state: 6uA (25℃)
Discharge main circuit internal resistance: 30±5mΩ
Operating temperature: -40℃-85℃ Relative humidity≤75%
Storage temperature: -40℃-125℃ Relative humidity≤75%
Dimensions: L*W 82*46 (mm)

Product list:
1X Protection Board

About us
Payment
Shipping
Feedback
Return Policy
Contact Us

About us

1.A large number of products for you to choose

2.We have an independent customer service team to quickly answer your questions

Payment

1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances. 3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.

Shipping

1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.

Feedback

1.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.
2.Please DON'T leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly.

Return Policy

1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.

1. If you have any questions, please feel free to email our service specialists.
2.Just contact us using the " Ask the seller a question" link on eBay.
3.Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem.

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