LM358 9V 12V Accumulator Battery Protector Light Sound And Alarm Indicator Board

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LM358 9V 12V Accumulator Battery Protector Light Sound And Alarm Indicator Board
Product Description
Applications:
Mainly used for 9V 12V battery voltage monitoring, simple and practical, with audio and light alarm tips.
How to use:
After the battery is under pressure, the buzzer emits a “drip” call, while the red LED light is lit, and when the battery voltage has recovered to more than the set value, the buzzer stops alerting.
Description:
Size: 2.9cm*3.0cm
Main chip: LM358;
For 9V Battery: When the battery appears (battery voltage is less than 8V), the red indicator light up and buzzer called, to achieve sound and light alarm, so as to achieve master battery discharge status, to prevent the battery too discharge, damage to the battery;
For 12V Battery: When the battery appears (battery voltage is less than 10.4V), the red indicator light up and buzzer called, to achieve sound and light alarm, so as to achieve master battery discharge status, to prevent the battery too discharge, damage to the battery;
Features:
1, With sound and flash warning
2,With short-circuit protection,reverse connection will not burn out.
But there is no pressure protection, if the input exceeds 15V, the chip on the module will burn out.
3,This module`s sensitivity can be adjustable.
Package including:1*LM358 9V 12V Accumulator Battery Protector Light Sound And Alarm Indicator Board
Payment
Delivery details
Terms of sales
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Payment
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To avoid unpaid item dispute,all payment must be received within 7days from the end aiction.
Note:Please list your special requests (color, packages, etc.) in the EBAY/PAYPAL NOTES SECTION when you make payment.
Delivery details
>tems will be shipped within 1~2 business day after payment received.
> Items are shipped from China using Airmail, delivery time depends on destination and other factors,reach most of the countries within 10 to 35 business days.
> if you choose the standard shipping method or SpeedPAK the item will get to you with in 20 days.
Country
Shipping Way
Shipping Time
Tracking Number
United States
SpeedPAK
7-18
Yes
Russian
Post by Air Mail
15-35
Yes
Other Country
Post by Air Mail
15-45
No
Brazil / Africa
Post by Air Mail
35-65
No
Terms of sales
To keep our quality service high, please make sure you read our returns and payment policies carefully before bidding or buying. We do try our best to help customers with any questions that they may have.
We stand behind our products 100% and carefully inspected by us.
Customers may request for an exchange or refund less shipping & handng within 30 days of receipt.
Return of non-defective or wrongly purchased items will be subject to a 20% restocking fee.
Product must be returned in is original packaging.
Buyers are responsible for paying the return shipping & handing charges for any replacement or refund request.
About us
1.
Factory Direct
Have peace of mind knowing that your order will arrive brand new in its original factory sealed packaging. That means that you’ll have the full force of the manufacture warranty to protect your purchase.
2.
Reasonable Price with Best Quality
Our well-designed QC process and professional technology guarantees the good quality.
3.
Big range with many different models for selection
To meet different requirements for different clients, we have over 300 models with multi functions for your selection.
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