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Properties of the lithium battery protection board:
overcharging range: 4.25-4.35 v plus or minus 0.05 v
over voltage range: 2.5-3.0 v plus or minus 0.05 v
Maximum working current: 10 a working temperature: - 40 - + 50 °
Maximum instantaneous current: 20 a storage conditions: - 40 - + 80 °
Static current: less than 10uA effective life: more than 50,000 hours
Resistance: less than 300 m Ω short circuit protection: to protect and restore must charge
Charging voltage: 8.4 v-9v
The protection board size and device description;
The protective plate size is 46.7 * 23 * 3.15mm
Welding point description:
· B + battery anode;
· B - connect battery negative terminal;
· MMB connect battery 1 to battery 2;
· P + charging/discharge correct poles (charging end/discharge end sharing);
· P - charging/discharge terminal negative terminal (charging end/discharge end sharing).
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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