Turmera 1S-13S Battery Tester Capacity Indicator 4.2V 8.4V 12V 16.8V 18V 24V 25V 36V 48V for Screwdriver Battery and E-bike Use

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1S 3.7V 4.2V 2S 7.2V 8.4V 3S 10.8V 12.6V 4S 14.4V 16.8V 5S 18V 21V 6S 21.6V 25.2V 7S 29.4V 10S 36V 13S 48V 4S 12V Lifepo4 8S 24V Lifepo4 12S 36V Lifepo4 16S 48V Lifepo4
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Product Description

Turmera 1S-13S Battery Tester Capacity Indicator 4.2V 8.4V 12V 16.8V 18V 24V 25V 36V 48V for Screwdriver Battery and E-bike Use

Product Description:
1. Super thin Type Electricity Display: 5 Pieces indicator lamps.
2. Wide Application Fields:lithium battery pack.
3. Using Method: connect display board positive and negative terminals with tested battery positive and negative port.
4. Slightly hold down the red button with your finger, then lights will be on and show real-time battery electricity quantity.(Note: The first light is for power Indicator light)
5. Release the finger, the lights will be off after 3-5 seconds delay, it completely does not consume electricity when in the static state.
6. With anti-transposition function, even if the positive and negative ports are connected with wrong direction and it will not burn, simply correct it.
Lithium Battery Pack Display Electricity Quantity

Parameter: (note: N represents battery quantity)
1. When battery voltage is over N*3.2V, it will illuminate 1 block electricity quantity.
2. When battery voltage is over N*3.4V, it will illuminate 2 blocks electricity quantity.
3. When battery voltage is over N*3.6V, it will illuminate 3 blocks electricity quantity.
4. When battery voltage is over N*3.9V, it will illuminate 4 blocks electricity quantity.
5. When battery voltage is less than N*3.2V, 4 blocks display will be off; it represents battery is less than 3.2V, and you can charge the battery.

Turmera Tell you how to Choose the Indicator :

1.Diy Lithium Battery(3.7V 4.2V) for Screwdriver:

10.8V/12V/12.6V Screwdriver please choose 3S 10.8V 12.6V

14.4V/16.8V Screwdriver please Choose 4S 14.4V 16.8V

18V/21V Screwdriver please Choose 5S 21V 25.2V

2.Diy Lithium Battery(3.7V 4.2V) for E-bike Battery

7S 29.4V /10S 36V /13S 48V

3.Diy Lifepo4 Battery(3.2V 3.6V) for your Device:

Please choose the indicator for Lifepo4 Battery like 4S/8S/12S/16S

Notice: Lithium Battery and Lifepo4 Battery is different ,please select the correct Indicator,thank you.

Material: Plastic and Metal
Size: 40×15×2.5mm/1.57×0.59×0.10in (Approx.)

Picture Show:

Shipping and delivery:

1.China Post Registered Air Mail: about 25-60 working days.(//www.17track.net)

2.CDEK Delivery Company:about 15-60 working days.(www.cdek.ru)

3.PostNL Delivery Company: About 15-30 working days.(//www.17track.net)

4.Seller Shipping Method: about 25-60 working days.

About the Feedback and Review:

1.Buyer's early confirmation will be highly appreciated after receiving the items.

2.Since your feedback is very important to our business's development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It'll just take you 1 minute,but this 1 minute has the extremely vital significance to us.

3.Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.

Returns and Refund:

1.if you can not received the goods in guaranteed time,please contact us to solve the refund problem.

2.if you have received the goods,but there have some problem contact seller,and seller agree to return the goods with you,when we get the goods,the product in perfect condition,we will give you full refund.

3.if you have any problem in the order time,please feel free to contact us,thank you.

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Item Specifics

Brand Name: 
Accessory Type: 
 Battery Accessories
Model Number: 
 1S-13S Battery Tester Capacity Indicator
 3.7V-48V Battery Tester Indicator
Lithium Battery Use: 
Lifepo4 Battery Use: 
 Shurika,Screwdriver Battery Use
 E-bike,E-scooter Battery Use
 only the indicator,battery not including!


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

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If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
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*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


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