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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🔋 Power your moments, protect your gear—never miss a beat!

POWER THAT LASTS - Reliable 250mAh capacity ensures your dashcam stays recording when it matters most.
TRUSTED CERTIFIED - UL-certified quality you can count on for peace of mind and peak performance.
SAFETY FIRST ALWAYS - Built-in PCM protection guards against overcharge, short circuit, and overheating.
FEATHERLIGHT COMPACT - At just 5g and 20x32x5mm, it fits discreetly without bulk or weight.
PRECISION FIT ZERO RISK - Confirm size & polarity to avoid device damage—no compromises.

The EEMB 3.7V 502030 is a compact, lightweight 250mAh rechargeable lithium polymer battery designed specifically for Nextbase dashcams. Featuring essential PCM safety protections and UL certification, it delivers reliable, long-lasting power with a precise fit—ensuring your device runs smoothly without risk of damage from polarity mismatch. Ideal for professionals who demand dependable performance in a sleek package.

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阿里·H.

发货快，包装精良。Leatherman 工具手感非常高档和坚固。

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Package Dimensions L x W x H	12.3 x 6.1 x 2.2 centimetres
Package Weight	0.01 Kilograms
Product Dimensions L x W x H	20 x 32 x 5 millimetres
Item Weight	5 Grams
Brand	EEMB
Part number	LP502030
Size	1
Warranty description	1
Guaranteed software updates until	unknown

EEMB 3.7V 502030 Battery 250mAh Lipo Battery Rechargeable Lithium Polymer Battery with JST2.0 for Nextbase Dashcam Battery Replacement-Make Sure Device Polarity Matches with Battery Before Purchase!

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