The jst connector is not a ph (2.0mm). what is the series and pin-to-pitch of the connector? thank you.

Dear Customer, Our connector model is JST-PHR-02. It is a two-pin connector. The connector’s size is 5.8mm (0.228") and the hole distance is 2mm (0.079"). Please refer to our product photos for the clarifications. Best regards, Catherine

Can you wire these in series?

You can wire in series or parallel depending on what you are looking for in voltage and current capacity.

Is this battery a suitable replacement for an elnicell 382527 250mah 3.7v?

The size is the only question I would have. I should work if dimensions are same. Some manufactures make batteries a little different in size for the same current capacity.

is the current dc or ac

No such thing as an AC battery , batteries are DC Perhaps you should have someone else work on this project for your safety

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3.7V Li-ION 502030 Battery 250mAh Lipo Battery Rechargeable Lithium Polymer ION Battery with JST Connector

Product ID: 674714024

Details

Battery capacity
250
Battery cell composition
Lithium Ion
Brand
EEMB
Number of batteries
1 Lithium
Recommended uses for product
Camera

⚡250mAh Capacity Boost

🔋3.7V Voltage Power

🛡️UN38.3 & UL Certified Safety

$67.38

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your lifestyle with confidence and compact precision!

SMART PROTECTION - Built-in PCM safeguards against overcharge, discharge, short circuit, and overheating.
COMPACT POWERHOUSE - Ultra-light 5g design fits seamlessly into your smart devices.
CERTIFIED RELIABILITY - UN38.3 and UL certified for unmatched safety and peace of mind.
VERSATILE COMPATIBILITY - Perfect for Bluetooth speakers, dash cams, smart home gadgets, and more.
LONG LASTING PERFORMANCE - Stable 3.7V output with 250mAh capacity ensures your devices stay powered longer.

The EEMB 3.7V Li-ION 502030 Battery is a lightweight, rechargeable lithium polymer battery offering 250mAh capacity and robust safety certifications (UN38.3, UL). Designed for versatile use in Bluetooth speakers, dash cams, and smart home devices, it features advanced PCM protection for reliable, long-lasting performance in a compact 20 x 32 x 5 mm form factor.

Specifications

ASIN	B08FD3V6TF
Amperage	500 Milliamps
Antenna Location	Camera
Battery Capacity	250
Battery Cell Type	Lithium Ion
Battery Weight	5 Grams
Best Sellers Rank	#89,587 in Electronics ( See Top 100 in Electronics ) #656 in Rechargeable Household Batteries
Brand	EEMB
Customer Reviews	4.5 4.5 out of 5 stars (1,593)
Item Dimensions	20 x 32 x 5 millimeters
Item Weight	5 Grams
Manufacturer	EEMB
Model Name	LP502030
Model Number	LP502030-PCM
Number of Batteries	1 Lithium Polymer batteries required.
Reusability	Rechargeable
Unit Count	1 Count
Voltage	3.7 Volts

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