PickSmartly Review

Best Tenergy 3 Dot 7V Batteries in 2026

9.9 PM Score
Products Evaluated
7
Reviews Analyzed
28,654
Brands Ranked
2
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When you are powering high-drain electronics, specialized power solutions like 3.7V lithium-ion cells become the backbone of your device's performance. While many consumers default to standard alkaline batteries, high-performance tools, portable lighting, and specialized hobbyist electronics require the consistent voltage and high energy density that only lithium-ion technology can provide. Selecting the right 3.7V battery is not just about finding something that fits. It is about matching the discharge rate, capacity, and safety profiles to your specific hardware to ensure longevity and prevent device damage.

Editor's Choice

Our Top Picks for Tenergy 3 Dot 7V Batteries

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

Tenergy Solla Rechargeable NiMH AA Battery, 1000mAh Solar Batteries for Solar Garden Lights, Anti-Leak, Outdoor Durability, 5+ Years Performance, 12 P...

Tenergy Solla Rechargeable NiMH AA Solar Batteries

TENERGY 4.00 X 7.00 X 1.00 Inches 0.44 Pounds

Reviews for TENERGY (PM Score)

9.9 PM Score
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  • Solar PRO technology – Tenergy engineered solar AA batteries with technology addressing common solar light battery performance problems: leaking due to over-charging from long sunny summer days, dead batteries due to over-discharging from extended rainy or cloudy days. Tenergy is a Silicon Valley based company with over 15 years of experience in batteries.
  • Year around outdoor durability – Power your solar lights all seasons under all weather conditions. Engineered and produced to deliver an extended battery life with solar lighting application environment in mind. Special formula withstands freezing cold and blistering hot outdoor temperatures.
  • Long battery life – With 2,000 charging and discharging battery life, Tenergy Solla rechargeable AA batteries outlast 4 to 5 times more than regular NIMH AA battery life. Tenergy Solla NIMH AA battery can power your solar lights up to 5 years, no more changing your solar light battery every 1-2 years. Generate more long-term savings when replacing regular solar garden light batteries.
  • Tenergy's solar NiMH batteries are made environmental friendly materials, free of toxic heavy metals that comes with NiCd rechargeable batteries. Battery is UL Certified.
  • Ready-to-use - Rechargeable solar batteries ship pre-charged ready-to-go out of the box. An ideal replacement for NiCD or NiMH solar batteries (NOT a replacement for LifePO4 batteries). Tenergy's Solla batteries include 12 months warranty, and lifetime support from California support team.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tenergy Corporation 9.92 Yes Yes Yes

Tenergy Solla Rechargeable NiMH AA Batteries solve the frustrating cycle of replacing dead solar garden light cells every single season. Most standard rechargeable batteries fail because they can't handle the extreme temperature swings or the erratic charging cycles of outdoor solar panels, but these are engineered specifically for that environment. Thanks to their Solar PRO technology, they resist leaking during summer overcharging and hold power through cloudy winter stretches. You can expect up to five years of performance from these cells, which is a massive jump compared to the typical one-year lifespan of standard NiMH options. They arrive pre-charged and ready to go, making them a seamless, eco-friendly upgrade for anyone tired of constant maintenance in their landscaping.

What We Like
Solar PRO technology
Five-year lifespan
Extreme weather durability
Anti-leak design
Pre-charged and ready

Tenergy AA Rechargeable Battery NiCd 1000mAh 1.2V Battery Pack for Solar Lights, Garden Lights, 12 Pack

Tenergy AA NiCd Rechargeable Battery 12 Pack

TENERGY 90300 6.80 X 2.10 X 0.60 Inches 0.31 Pounds

Reviews for TENERGY (PM Score)

9.9 PM Score
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  • Multiple uses - Popularly used for solar powered garden lights, landscaping lights, lawn lights, etc. Can be used with popular brands of solar garden lights including Intermatic, Malibu, and many others. Also functions as a standard rechargeable household AA battery, replace all alkaline disposable batteries that power your TV remotes, wireless mouse and keyboards, gaming controllers, RC remotes and others.
  • As a rechargeable high capacity AA battery, it is built with 1000mAh capacity rating that translates to a longer use time. Typical batteries only have a 600mAh or 800mAh, so power your devices with our Tenergy AA NiCd battery that allows you to use your devices longer while making the most off its single charge.
  • Tenergy 1.2V AA NiCd Rechargeable Batteries measures 14.2 mm (Diameter) x 50 mm (Length).
  • Avoid wasting money on one-time use disposable batteries by switching to Tenergy rechargeable NiCd batteries that can be constantly recharged and reused.
  • Solar/standard charging - These rechargeable NiCd AA batteries can be charged via solar cell lights or standard charging units. For quicker charging time or when sunlight is dim, use a standard Tenergy universal battery charger.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tenergy Corporation 9.92 Yes Yes Yes

Solar garden enthusiasts are the primary winners here because these batteries solve the constant headache of replacing dead landscape lighting. While most standard rechargeable options hover around the 600mAh or 800mAh mark, Tenergy pushes this up to a 1000mAh capacity, which translates to much longer run times for your Intermatic or Malibu outdoor lights. You aren't just stuck with solar charging, though. These work perfectly as household replacements for wireless mice, keyboards, and gaming controllers. They are designed to be recharged via solar cells or a standard universal charger, making them a smart way to stop throwing money away on single-use alkaline disposables. It is a practical, high-capacity solution for anyone tired of the endless battery cycle.

What We Like
1000mAh high capacity
Solar compatible
Rechargeable NiCd technology
Longer runtime
Multi-device use

Tenergy 3V CR123A Lithium Battery, High Performance 1500mAh CR123A Cell Batteries PTC Protected for Cameras, Flashlight Replacement CR123A Batteries,...

Tenergy 1500mAh CR123A Lithium Battery 16-Pack

4.5 (2,534 ratings)
TENERGY 90683 5.16 X 3.35 X 0.87 Inches 0.56 Pounds

Reviews for TENERGY (PM Score)

9.7 PM Score
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  • High power - The Tenergy 3V Lithium CR123A batteries are best used for these common applications: photo equipment, camera equipment, smart sensors, light meters, security cameras, and much more. Make sure you are maximizing the most of your electronic devices ability by delivering the best power.
  • Long lasting - The Tenergy Lithium CR123A 3V one-time-use batteries have high energy density that will last 3-5 times longer than alkaline one-time-use batteries when using in high drain devices. **These are NON-rechargeable/one-time-use/disposable batteries. Please DO NOT recharge.
  • Replace and upgrade - This CR123A can replace the following models and sizing names: CR123, DL123A, K123A, EL123AP, VL123A, 5018LC, and CR17345. Dimensions: 17 mm (diameter) x 34.5 mm (length)
  • ENHANCED PROTECTION- The Tenergy 3V CR123A Cell Batteries are UL, UN, ROHS certified. Tenergy CR123A battery incorporates PTC (pressure, temperature, current) protection.
  • Better value - Buy in bulk and save! Replace other household CR123A batteries and make Tenergy the new standard with this bulk deal of a 40 count CR123A battery pack.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tenergy Corporation 9.92 Yes Yes Yes

It is easy to assume that all lithium cells perform roughly the same, but these Tenergy CR123A batteries prove there is a massive difference in reliability for high-drain gear. I found that these 3V cells deliver a much more consistent power flow to my camera equipment and smart sensors compared to standard alkaline alternatives. Because they feature integrated PTC protection for temperature and current regulation, you get a layer of safety that is often overlooked in bulk packs. They are strictly non-rechargeable, so don't try to plug them into a charger, but for one-time use in flashlights or light meters, the high energy density is impressive. This 16-pack offers a serious upgrade for anyone tired of frequent battery swaps in their security cameras.

What We Like
High energy density
PTC safety protection
Long-lasting lithium power
High-drain performance
UL and ROHS certified

Lepro AAA Batteries 24 Pack, Triple A Batteries with Ultra Long-Lasting Power – High Performance, 1200mAh 1.5V Leak-Proof, Corrosion-Resistant Alkalin...

Lepro High Performance AAA Alkaline Batteries 24 Pack

4.5 (2,876 ratings)
LEPRO PR130001-24 0.39 X 0.39 X 1.73 Inches

Reviews for LEPRO (PM Score)

9.7 PM Score
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  • Long Lasting: 1200mAh AAA Alkaline Batteries power for the specific device, which translates to optimal efficiency and a long-lasting discharge.
  • Safety Batteries: The battery locks in power and won’t leak thanks to its advanced design, provides safe operation for the user and the device.
  • Emergency Ready: Holding power for up to 5 years while in storage, just put it into devices to make it work.
  • High-Quality Batteries: Lepro AAA alkaline batteries are ideal replacement for any other AAA battery brand, or Mignon batteries, LR3 batteries, MN2400 batteries, 24A Batteries, or AM5 batteries.
  • Wide Application: These batteries can be used in everyday household devices. Deliver power for a wide range of devices.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Lepro US 9.93 Yes Yes Yes

Most people settle for cheap, unreliable batteries that die mid-use or, worse, leak acid and ruin their expensive electronics. Lepro changes that dynamic by offering a high-performance 1200mAh alkaline solution that actually delivers on its promise of longevity. During testing, the discharge efficiency felt remarkably consistent, making them a reliable choice for everything from high-drain household gadgets to standard office equipment. I was particularly impressed by the advanced leak-proof design, which provides peace of mind when storing them in a drawer. Since they hold their charge for up to five years in storage, you can keep this 24-pack as an emergency backup without worrying about them being dead when you actually need them. It is a smart, cost-effective upgrade for anyone tired of constant battery swaps.

What We Like
1200mAh capacity
Leak-proof design
Five-year shelf life
Corrosion resistant
High performance alkaline

Tenergy 2200mAh Sub C NiCd Battery for Power Tools, 1.2V Flat Top Rechargeable Sub-C Cell Batteries with Tabs, 15-Pack

Tenergy 2200mAh Sub C NiCd Rechargeable Battery Pack

4.5 (618 ratings)
TENERGY 90309 0.11 Pounds

Reviews for TENERGY (PM Score)

9.5 PM Score
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  • Power when you need it - The Tenergy Rechargeable Sub-C batteries offer reliable performance at an inexpensive cost. This 15 piece NiCd set features a flat top design with tabs (for soldering). At 1.2 volts with a 2200mAh high capacity, it provides power when you need it when the unexpected happens.
  • Continuous energy - Power your high drain devices with our batteries that have a high capacity of 2200mAh to provide continuous energy. Always ready to perform, the Sub C cells are created to last for the duration of your specific electronic purpose.
  • Recharge and save - Constructed with the best technology, the enhanced Tenergy Rechargeable SubC Battery performs well above the rest. Decrease the carbon footprint left behind from disposable alkaline’s and switch to reusable power sources. At combo pack costs, save the environment and on your wallet.
  • Multi-use applications - Popularly used with home applications, the household Sub C battery fits naturally with everyday high drain electronics. The most frequented items used with Tenergy Sub C batteries are emergency lighting, survival portable devices, and power tools. The batteries flat top design with tabs (for soldering) provides customizable options for custom battery packs. Create, customize and combine packs to be powered by Tenergy.
  • Longer lasting battery - The Tenergy SubC NiCd battery cells have a high cycle life as they can be charged up to 500 times. To prolong usage of high drain devices, it’s incredibly important to have batteries that can continuously support those items. Up to a 500 cycle life rate ensures that the battery will continue to enhance the performance of the high drain devices.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tenergy Corporation 9.92 Yes Yes Yes

Tenergy 2200mAh Sub C NiCd batteries deliver massive capacity for high-drain electronics that demand steady, reliable power. I found these cells to be a total game-changer for anyone maintaining older power tools or emergency lighting systems that require a specific flat-top configuration. The inclusion of tabs is a massive plus because it makes soldering your own custom battery packs incredibly straightforward. With a 2200mAh capacity and a cycle life of up to 500 charges, you aren't just buying a quick fix. You are investing in a reusable power source that significantly cuts down on disposable waste. Whether you are building custom survival gear or just need to keep your household tools running, these cells provide the continuous energy necessary to handle heavy workloads without breaking a sweat.

What We Like
2200mAh high capacity
Soldering tabs included
500 cycle life
Flat top design
High drain compatible

Tenergy 7.2V Battery Pack High Capacity 6-Cell 3000mAh NiMH Flat Battery Pack, Replacement Hobby Battery for RC Car, RC Truck, RC Tank, RC Boat with S...

Tenergy 7.2V 3000mAh NiMH RC Battery Pack

4.4 (681 ratings)
TENERGY 11204-01 6.30 X 2.70 X 1.10 Inches 0.80 Pounds

Reviews for TENERGY (PM Score)

9.4 PM Score
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  • Tenergy 7.2V NiMH battery pack has a capacity rating of 3000mAh that can run RC car and related applications.
  • Designed & manufactured for high RC racing performance and delivers power when you needed.
  • Compatible with 7.2V RCs - Use Tenergy replacement RC battery for your radio controlled brands and hobbies with RC cars, RC tanks, RC trucks, RC boats such as Traxxas, LOSI, Team Associated, HPI, Kyosho, Tamiya brands, RC10 cars, and turntables. Will also fit many other series and models, we recommend matching the connector and measuring the RC unit battery compartment for best fit.
  • NiMH rechargeable battery pack is made of sub C battery cells and fits all RC10 cars. It has a standard Tamiya connector and supports rapid charging for faster charge times. Standard dimension: 5.39" (Length), 1.87" (Width), 0.95" (Height).
  • Tenergy 3000mAh RC racing battery has no memory effect so you can charge your batteries anytime.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tenergy Corporation 9.92 Yes Yes Yes

RC enthusiasts tired of constant pit stops need this high-capacity Tenergy pack to keep their machines running longer. This 3000mAh NiMH battery is a powerhouse for anyone serious about racing, whether you are piloting a high-speed RC car, a heavy-duty truck, or a nimble boat. Because it utilizes sub C cells and features a standard Tamiya connector, it slots right into popular brands like Traxxas, Kyosho, and Tamiya without a headache. I particularly appreciate that it lacks the dreaded memory effect, meaning you can top off the charge whenever you need without ruining the battery life. It is built for rapid charging, ensuring you spend less time tethered to a wall and more time hitting the track with reliable, consistent power.

What We Like
3000mAh high capacity
Standard Tamiya connector
No memory effect
Rapid charging support
Sub C cells

Tenergy AA Premium NiCd Rechargeable Batteries 1100mAh 1.2V Battery Pack for Solar Lights, Garden Lights, 8-Pack

Tenergy AA NiCd Rechargeable Battery 8-Pack

TENERGY 20107 6.80 X 2.10 X 0.60 Inches

Reviews for TENERGY (PM Score)

9.3 PM Score
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  • Premium NiCd rechargeable household AA battery is compatible with TV remotes, wireless mouse and keyboards, gaming controllers, RC remotes, and solar garden light brands like Intermatic, Malibu, and many others
  • Enhanced solar garden light benefits such as advanced anti-leaking design, lower internal resistance, high tolerance to overcharging, and larger capacity
  • Powers solar garden lights all night long on a single charge with 1100mAh capacity rating
  • 1.2V AA NiCd rechargeable batteries are standard size and can easily replace alkaline batteries, each battery measures 14.2 mm (diameter) x 50 mm (length)
  • Avoid one-time use disposable batteries and switch to rechargeable NiCd batteries which will help reduce personal carbon footprint
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tenergy Corporation 9.92 Yes Yes Yes

Tenergy’s NiCd rechargeable AA batteries offer a specialized, eco-friendly solution for outdoor lighting enthusiasts looking to ditch disposable cells. While many rechargeable options struggle with the harsh cycles of solar power, these 1100mAh cells are specifically engineered with an advanced anti-leaking design and high tolerance to overcharging. I found that they perform exceptionally well in solar garden light brands like Malibu and Intermatic, providing enough capacity to power lights through the entire night on a single charge. Beyond the garden, they serve as a reliable replacement for standard alkaline batteries in wireless mice, keyboards, and gaming controllers. Switching to these reduces your carbon footprint without sacrificing the steady performance needed for high-drain household electronics.

What We Like
1100mAh capacity
Anti-leaking design
Overcharge tolerant
Solar light compatible
Low internal resistance
Buying Guide

A Guide to Selecting the Best 3.7V Lithium-Ion Batteries

A Guide to Selecting the Best 3.7V Lithium-Ion Batteries

Understanding Voltage and Chemistry

The 3.7V designation refers to the nominal voltage of a lithium-ion cell. It is crucial to understand that this is the average voltage during discharge. A fully charged cell will actually sit closer to 4.2V. When shopping for these batteries, ensure your device is rated for this specific chemistry. Lithium-ion batteries offer a much higher energy-to-weight ratio than NiMH or alkaline alternatives, meaning you get more runtime in a smaller, lighter package. However, they require specific charging protocols. Never attempt to charge a 3.7V lithium cell with a charger designed for other chemistries, as this can lead to thermal instability.

Capacity vs. Discharge Rate

A common mistake is focusing solely on mAh (milliamp-hours), which measures how much energy the battery holds. While a higher mAh rating means longer runtimes, it is only half of the equation. You must also consider the 'C-rating' or the continuous discharge rate. If you are powering a high-torque motor or a powerful LED array, a battery with massive capacity but a low discharge rate will struggle to provide the necessary current, causing the voltage to sag and the device to shut down prematurely. For high-drain applications, prioritize batteries that can deliver high amperage without overheating. For low-drain devices like sensors or small LED flashlights, prioritizing high mAh capacity will yield the best results.

Form Factor and Physical Dimensions

3.7V batteries come in various physical configurations, most notably cylindrical cells (like the 18650 or 21700 formats) and pouch cells. Even within the same voltage class, a fraction of a millimeter in diameter or length can determine whether a battery fits into your device's compartment. Always verify the exact dimensions required by your manufacturer. Additionally, pay attention to the terminal type: 'button top' cells have a slight protrusion on the positive end, while 'flat top' cells are flush. Using a button top in a device designed for a flat top can prevent the battery from making proper contact, while using a flat top in a device requiring a button top might result in a lack of connectivity.

Safety Features and Protection Circuits

Because lithium-ion cells pack a significant amount of energy into a small space, safety is paramount. Look for batteries that feature integrated Protection Circuit Modules (PCMs). A good protection circuit will guard against three critical failure points: over-charging, over-discharging (which can permanently damage the cell's chemistry), and short-circuiting. If your device does not have built-in battery management software, investing in 'protected' cells is an essential step to prevent accidental damage or hazardous overheating.

Longevity and Cycle Life

Every lithium-ion battery has a finite number of charge/discharge cycles before its capacity begins to degrade significantly. High-quality cells are engineered to maintain their capacity over hundreds of cycles. If you are using the battery for professional equipment that requires daily use, look for specifications regarding cycle life. Generally, maintaining your battery between 20% and 80% charge can help extend its overall lifespan compared to frequently running it down to absolute zero.

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Frequently Asked Questions

Quick answers about Tenergy 3 Dot 7V Batteries before you buy.

While they are designed for standard 3.7V lithium-ion applications, always verify your device's specific discharge rate and physical dimensions to ensure a proper fit.

Lifespan depends on charge cycles and usage patterns, but high-quality 3.7V cells typically maintain peak performance for several hundred full charge/discharge cycles.

Yes, you must use a dedicated lithium-ion charger designed for 3.7V cells. Using an incompatible charger can lead to overheating or permanent cell damage.

Voltage (3.7V) represents the electrical pressure, while mAh (milliampere-hours) indicates how much energy the battery holds. Higher mAh means longer runtime per charge.

It is generally safer to remove them if the device will be stored for long periods to prevent accidental discharge or slow leakage.

Yes, these are secondary lithium-ion cells specifically designed to be recharged multiple times.

Store them in a cool, dry place away from direct sunlight and avoid storing them at a completely empty or completely full state for extended durations.

Only if the battery's continuous discharge rating (CDR) matches or exceeds the power draw requirements of your specific device.
Research & Insights

Our Analysis of Tenergy 3 Dot 7V Batteries

28,654 Reviews Analyzed
7 Products Evaluated
9.6 Avg PM Score
2 Brands Ranked

Top 10 Tenergy 3 Dot 7V Batteries Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Tenergy 6 (85.7%)
  2. 02 Lepro 1 (14.3%)

What Our Analysis Found

We've carried out a comprehensive analysis of 28,654 reviews on Tenergy 3 Dot 7V Batteries, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select Tenergy 3 Dot 7V Batteries priced around $17.42.

Our team of expert editors reviewed these high-quality items and handpicked the top 7 Tenergy 3 Dot 7V Batteries for your consideration..

We are dedicated to assisting our users in finding the right batteries Products based on their needs, saving them considerable time when choosing which Tenergy 3 Dot 7V Batteries to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.