The 6 Best 4 cell Lithium Polymer Batteries (2023 reviews)

The eemb old battery's material feels more premium than its price would suggest. It’s a great little battery. It is perfect replacement for the zeeweii 154pro handheld oscilloscope. It's 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 has the same voltage, polarity, and form factor as the OEM battery in an AQL2-POD. It charges off the board port when plugged to USB. It's a great little battery.

Why We Like This:

Installed inside the scope with 3m double sided tape, and all is well
Great value and easy to install
Lot of satisfied buyers

Best For many electronic Product: EBL 4 cell Lithium Polymer Battery

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If you want nothing but the best desirable battery, then ebl 4 cell lithium polymer battery is the one you should definitely consider. This is a very common battery pack used in lots of kinds of small appliances, tools, and toys. It features, over-charge protection, over-discharge protection, temperature protection, short circuit protection, current protection, protected batteries that prevent excessive discharge that can damage lithium cells and may lead to catastrophic incidents. You’ll get more than twice the charge with this one, meaning it will last much longer.

This battery has a larger capacity (2200 mA) than the original (1000mA), which is better. This battery needs a charger rated at 2200 MA or 2.2 amp at 7.4 volts. These cells can provide approximately the same and steady voltage until the whole cell is depleted, and keep batteries run longer. It provides much better sound as well as portability. It lasts long enough to play a standard 2-hour movie.

Why We Like This:

Nice battery for old portable dvd player
Ebl 7.4v 2200mah li-ion rechargeable battery
Good investment for long term

Best For small space: EEMB 4 cell Lithium Polymer Battery

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Not everyone likes to purchase battery for their daily usage, but the eemb 4 cell lithium polymer battery would be an anomoly. A LiPo battery is charged with a special Lipo Battery charger that has the 2-pin connection for the LiPo on one end, and something to plugin on the other end. It is perfect for the small space. It's 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 are very flat batteries, still completely fix under all the furniture as opposed to the much more standard AA or bigger size, let alone the huge battery pack actually designed to fit inside the unit. These have a low voltage protection circuit, and the overdischarge detection voltage is.

Why We Like This:

Thickness is perfect for the small space
Keeps a good charge and has not overheated
Great value for the unique size

Best Rechargeable Battery: AKZYTUE 4 cell Lithium Polymer Battery

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Compared with other battery in this category, the akzytue 4 cell lithium polymer battery has a convenient design. It is really the latest state of the art technology in rechargeable. It can be charged and discharged more than 500 times and still retain 80% of the original capacity. It fits a 7" tablet perfectly. It can be used in mp3 mp4 gps pad and a variety of electronic readers.

It has twice the power storage of the commercial battery, and it is easy to install. It can be used for power device that require high current such as uav, model aircraft, electric toys, power tools and other. It even comes with the shrink tubing to secure the connections.

Why We Like This:

Excellent safety performance, excellent discharge performance
Low weight, small size but huge capacity
New and hot release

Best For replacing Batteries: Hxjnldc 4 cell Lithium Polymer Battery

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If you often find yourself scrambling for convenient and suitable battery, hxjnldc 4 cell lithium polymer battery should be your first option for buying. It is great for replacing batteries in a dash camera. The dashcam parked mode can run much longer. It can prevent overcharge, overdischarge, overcurrent, and short circuits.

Why We Like This:

26 high temperature resistant silicone cable, and genuine jst pitch1.25mm 2-pin connector module
New and hot release

Best With correct Connector: Ecologic Mart 4 cell Lithium Polymer Battery

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate battery. The ecologic mart 4 cell lithium polymer battery is exactly that - it's a simple battery that hits all the right notes. It's always good to have an extra set of 3.7v batteries when you’re out and about. This polymer rechargeable battery is an ideal battery replacement for the ecologic mart reading light clip. It comes with a micro jst 1.25mm 2pin male connector with a 1.25 mm distance between two wires. Since it’s lightweight and portable, you can easily place the 3.7 volt battery in your pouch or handbag.

It’s rechargeable hundreds of times, making it an excellent choice for those who need a reliable power source. It is also a high-capacity power source for various devices like mp3s, mp4s, psps, and gps trackers.

Why We Like This: