How do I recharge the battery?

Be VERY careful with this type of battery! If you do get it wrong you will have a chemical fire on your hands, that won't go out until the reaction has finished. Otherwise, the unit it is intended for will correctly charge it when fitted.

will this battery fit a Nextbase 312G Dashcam.

Yes - it works on our dashcam. There is a Youtube video by someone who shows you how to do it. You will need a soldering iron and solder and some micro screwdrivers to do the work.

Is this battery suited to a next base 522gw

Hi - not sure about it fitting a 522gw, fitted to mine which is a 512gw and works perfectly.

I need a 7.4 v battery for my ebook and the exact replacement is not available in the uk. can i use 2 of these in series ? will it charge correctly ?

Hi, this is a li-ion battery I don't think it is suitable for charging in serial.

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EEMB Lithium Polymer battery 3.7V 250mAh 502030 Lipo Rechargeable Battery Pack with wire JST Connector for VXI Blue Parrott and MP3 MP4 Speaker-confirm device & connector polarity before purchase(4)

Product ID: 401008109

Details

Battery capacity
250
Battery cell composition
Polymer
Brand
EEMB
Number of batteries
4 Lithium

⚡250mAh high capacity

🔋3.7V stable voltage

🛡️Multi-layer PCM protection

R1301

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your essentials with precision and protection—never miss a beat!

POWER THAT LASTS - Reliable 250mAh capacity delivers consistent energy for your Bluetooth speakers, dash cams, and smart devices.
SMART STORAGE READY - Optimized for long-term storage with recommended 40%-60% charge maintenance—keep your battery fresh and ready.
CERTIFIED CONFIDENCE - UN 38.3 and UL certified for peace of mind in every charge cycle.
FEATHERLIGHT COMPACT - Ultra-slim 20.5x32x5.3mm design weighing just 5g—power without the bulk.
PRECISION FIT ZERO RISK - Ensure connector polarity matches perfectly to avoid short circuits—no compromises on safety.

The EEMB Lithium Polymer 3.7V 250mAh battery pack offers a compact, lightweight power solution with advanced PCM protection to prevent overcharge, discharge, and short circuits. Designed specifically for devices like VXI Blue Parrott and MP3/MP4 players, it features a JST connector with strict polarity requirements. Certified to UN 38.3 and UL standards, this rechargeable battery ensures reliable performance and longevity, making it ideal for Bluetooth speakers, dash cams, and IoT gadgets.

Specifications

ASIN	B08VRZTHDL
Amperage	4 Amps
Antenna Location	Alesis Radio, Bluetooth speaker, Dashcam, E-Bike Display, GPS, MP3 Player, MecArmy SGN3 flashlight, NES controller, Nextbase 512 dashcam, VXI Blue Parrott
Battery Capacity	250 milliamp_hours
Battery Cell Type	Polymer
Battery Weight	5 Grams
Best Sellers Rank	17 in Flash Battery Packs
Brand Name	EEMB
Compatible Phone Models	MP3 MP4 Speaker, VXI Blue Parrott
Customer Reviews	4.2 4.2 out of 5 stars (93)
Item Dimensions	20 x 32 x 5 millimetres
Item Weight	5 Grams
Manufacturer	EEMB Co.,Ltd
Model Name	LP502030
Model Number	LP502030-PCM
Number of Batteries	4 Lithium Polymer batteries required. (included)
Reusability	Rechargeable
Voltage	3.7 Volts

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R1301

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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