I have purchased 2-12 packs within 30 days 1 thru Amazon 04/30/2026 that wouldn’t hold charge and the other direct from company 05/06/2026 doesn’t hold a charge. The batteries are outdated. Shame on... See more
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See what reviewers are saying
My students love the solar car project. It is the 5th year I purchased this product for my 4th grade class. Students find it easy to build in groups. They have great fun to test in on the basketball... See more
The batteries were delivered well-packed and within 2 days [shipped free]. Altogether, brilliant performance. The digital side could use some attention. It didn't affect the transaction but . . . w... See more
Ordered April 28, arrived about 9 days later. As always, Tenergy batteries have excellent construction and are durable. These replaced batteries in Ring Pathlights and work as well as the Ring batteri... See more
Company replied
Company details
Information provided by various external sources
Your one-stop saving store for high quality rechargeable batteries and chargers at everyday low prices. We offer rechargeable batteries and chargers that are made with industry leading technologies, and the most cost effective manufacturing process. In addition, we offer you a wide spectrum of valuable information on batteries and chargers for your in-depth understanding of the battery world. Our high quality customer service are specially designed and dedicated to offer you a secure, friendly, convenient, private, and informed shopping experience. Categories of products we offer: Rechargeable AA, AAA, C, D, 9V & Chargers, NiMH Battery Packs & Chargers, Li-Ion Battery Packs & Charger, 18650 Batteries & Charger, Tech Cells, Roomba Batteries, Powerbanks / External Mobile Chargers, SLA Batteries, Bluetooth, RC Car/Airplane NiMH & LiPO Backs, CR123A Batteries & Rechargeable, PCB's/PCM, Custom Batteries, & MORE!!
Contact info
436 Kato Terrace, 94539, Fremont, United States
- (510) 979-9969
- service@tenergy.com
- power.tenergy.com
4.4
Excellent
5K reviews
Asks customers to review
This company invites their customers to review, whether positive or negative
Hasn’t replied to negative reviews
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Had the products I wanted at a good…
Had the products I wanted at a good price. Shipped same day. Very efficient.
20 October 2023
Great website
Great website, great products at competitive prices. Shipped quickly. Highly recommend.
20 October 2023
An excellent experience from start to…
An excellent experience from start to complete!
Thank you!
David M.
18 October 2023
Excellent long lasting rechargable…
Excellent long lasting rechargable batteries of all kinds. Good chargers and good price. Fast delivery.
18 October 2023
A quick fix to my problem
A quick fix to my problem and extra advice about various Tenergy products.
29 September 2023
Prefect customer service
You guys went above and beyond to sell me a part that I needed and could not find anywhere else and stores. So I went to the source you guys
12 October 2023
Was very happy with the price
Was very happy with the price, and the fact that they called me to get my complete address! Never had anyone do that before!
17 October 2023
Quality batteries for the right device.
Tenergy provides quality batteries that last a long time.
12 October 2023
Great company and great products
Great company and great products. Every time I need batteries,this is the go to place
12 October 2023
Simple process
11 October 2023
Tenergy Li ion battery charger was a bargain
I was pleasantly surprised that the Tenergy Li ion battery charger that I ordered not only was reasonably priced but also arrived with two new compatible batteries.
4 October 2023
Always prompt with great products
6 October 2023
Great experience - made to order battery packs
Purchased made to order battery packs. Fantastic customer service and communication. Quick delivery of the packs!
29 September 2023
Good job
On time and packaged well. Good batteries for my USCG portable 2way system.
28 September 2023
Fair price and shipped promptly.
26 September 2023
They were an immense help
They were an immense help, figuring out exactly what I needed, as well as the turnaround time for the product
27 September 2023
I was looking for more technical info…
I was looking for more technical info for charging and testing metal based batteries. I didn’t get it. Good line of product , no backup technical information nor knowledge based information to ensure top performance from stored and charged batteries
27 September 2023
Reply from Tenergy Power
Hello,
Thank you for your feedback.
After reviewing your order, we see the TN299 charger was purchased, and it supports the following battery chemistries: NiMH/NiCd/Li-ion/LiFePO4 batteries.
If users provide us with battery size and battery chemistry, we can provide some charging suggestions. We apologize if there were any misunderstandings in your questions.
If you would help elaborate further on the question and need further assistance, please contact our Support Team which can be emailed at service@tenergy.com.
Kind Regards,
Tenergy Support Team
Always send the orders out right away…
Always send the orders out right away and have a great product with no hassle.
23 September 2023
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