Name: DC 3.7V 800mAh 603040 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement
Brand: Hxjnldc
Price: 555.35 SCR
Availability: InStock
Rating: 5 (2 reviews)

Deliver to Seychelles

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Description

🔋 Power your passion with precision and protection!

ADVANCED SAFETY TECH - Japanese Seiko IC protects against overcharge, overcurrent & short circuits
PRECISION VOLTAGE RANGE - Optimized 3.7V nominal with 4.2V max charge for consistent performance
UNIVERSAL DIY COMPATIBILITY - Easily solder or swap connectors with included heat shrink sleeve for seamless integration
COMPACT LIGHTWEIGHT DESIGN - Slim 6×30×41mm size and just 16g—perfect for sleek, portable projects
POWER PACKED 800 M AH CAPACITY - Reliable energy to keep your DIY gadgets running longer

This 3.7V 800mAh rechargeable lithium polymer battery delivers 2.96Wh of reliable power in a compact 6×30×41mm form factor. Featuring a built-in Japanese Seiko IC for overcharge, overcurrent, and short circuit protection, it ensures safe and stable operation for DIY electronic projects within 3.7-5V range. Lightweight at 16g and equipped with a 2-wire JST connector, it’s designed for easy installation and long-lasting performance.

Reviews

L**K

Nice fit to Anki Cosmo

I have used this battery to update Anki Cosmo robot as described various guides which used 503040 600 mAh.603040 fits perfect and 800 mAh is much better for endurance - kids tests Cosmo for 2 hours and still very well changed, so I may assume resulting runtime will be 2.5 - 3 hours.

11.05.2025

J**D

100% satisfied

I ordered this for my daughters magic mixies cauldron and it works perfect!

28.10.2022

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DC 3.7V 800mAh 603040 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement

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Common Questions