The 6 Best Polymer Batteries (2023 reviews)

Compared with other battery in this category, the eemb polymer battery has a design with broader appeal. It is great to replace a battery on a acaia scale. It works fine, lasts quite a while with a little bluetooth speaker. It is suitable for bluetooth speaker, dash cam, keyboard and mouse, wi-fi smart home systems, pda and digital cameras, gps, e-books, tracking devices, blood oxygen tracking equipment, pulse monitors, wireless, and iot.

This battery uses a standard jst connector. It is straightforward, the main challenge is the tiny size of the connector. This is easily corrected by using a tiny screw driver to lift the plastic tabs on the connector and swapping the wires around. The battery's are well made and work well.

Why We Like This:

Over charge, over discharge, over current, short circuit protection, over temperature protection
Leaking, excellent cost performance and long cycle life
Works perfectly and was wired correctly at the connector

Best For Muse Meditation headband Model: EEMB original Battery

Buy on Amazon

The eemb original battery should be able to handle its purpose and duties with ease. This is a rechargeable battery. It fits great and has a larger mah rating than the original batteryships quick. It is suitable for bluetooth speaker, dash cam, keyboard and mouse, wi-fi smart home systems, pda and digital cameras, gps, e-books, tracking devices, blood oxygen tracking equipment, pulse monitors, wireless, and iot.

These batteries are soldiered onto the circuit boards. It is a two-pin connector. It is also needed for the sentry park mode when the car is off.

Why We Like This:

Keep the cells in 40%-60% charged state during long period storage
Solder/insulate 1 wire at a time to prevent a short
Leaking, excellent cost performance and long cycle life

Best For original Battery: Ydl original Battery

Buy on Amazon

Next on the list, we've got yet another battery that manages to win our hearts. It's the ydl original battery and it's widely considered as battery that has the most suitable features. It is used for power device that require high current such as uav, mini rc helicopter, rc small drones. It has 1mm-3mm tolerance, 2 and can be charged and discharged more than 500 times and still retain 80% of the original capacity. It lasts longer with this increased capacity. The battery works very well and replacing a light on the wall. The battery connector type is all JST PH2.0MM. It is good as new and charged correctly. The battery works very well and replaces 80% of the original capacity.

Why We Like This:

High capability, lightweight, low internal resistance
Excellent safety performance, excellent discharge performance
One of the new comers and featured product

Best For Venustas heated Gloves: Venustas Polymer Battery

Buy on Amazon

The venustas polymer battery's material feels more premium than its price would suggest. It can charge venustas heated gloves multiple times, no worry about power off. The battery pack includes 2 batteries and the charger.

Why We Like This:

New and hot release
Good brand reputation

Best For High Current applications: Ydl Polymer Battery

Buy on Amazon

The ydl polymer battery's superior materials makes sure that it ages well with use. It is designed for high current applications like drone motors. It only has +/- leads and a 2-pin JST-PH (2mm) connector. It takes 5 amps at 4 1/2v to charge. It can be charged and discharged more than 500 times and still retain 80% of the original capacity.

The batteries connector type are all JST PH2.0MM. The battery size has 1mm-3mm tolerance, 2 and the 37v 5000mah 115659 lithium battery is non.

Why We Like This:

High capability, lightweight, low internal resistance
Excellent safety performance, excellent discharge performance
One of the new comers and featured product

Best For Portable DVD players: Ytkavq Polymer Battery

Buy on Amazon

Next on the list, we've got yet another battery that manages to win our hearts. It's the ytkavq polymer battery and it's widely considered as one of the best convenient battery you can buy. It is really the latest state of the art technology in rechargeable. It is suitable for portable dvd players, bluetooth wireless headset, gps navigator, baby monitor, doorbell, skybell, psp dualshock, smart watch, monitoring units, pos machine, dashcam, vr glasses, pet tracker, etc.

The other advantage of the Lithium Polymer technology is the very low self-discharge.

Why We Like This: