Product dimensions seem off. Does anybody have the actual dimensions (because 4.8x3x0.8cm can't be right if the cells are 18650)?

It is indeed 3 18650s. It's near enough 67mm x 55mm x 19mm.

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3.7v 7800mAh Rechargeable Battery for Simplehuman Sensor Makeup Mirror ST3026 / ST3027 / ST3028 / ST3029/ BT1080 Battery Replacement 1s3p 18650 Batteries Pack

3.7v 7800mAh Rechargeable Battery for Simplehuman Sensor Makeup Mirror ST3026 / ST3027 / ST3028 / ST3029/ BT1080 Battery Replacement 1s3p 18650 Batteries Pack

Product ID: 87537125

Details

Battery capacity
7800 Milliamp
Battery cell composition
Lithium Ion
Brand
XINLANTECH
Number of batteries
1 Lithium Ion

⚡3.7V stable voltage output

🔋7800mAh powerhouse capacity

🛡️Advanced multi-protection circuit

S/.243

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your glow-up with confidence and style!

SAFETY FIRST TECH - Built-in Japan Seiko protection chip with over-voltage, under-voltage, and over-current safeguards.
SEAMLESS COMPATIBILITY - Perfectly fits Simplehuman ST3026, ST3027, ST3028, ST3029, and BT1080 models for effortless replacement.
PLUG PLAY CONVENIENCE - Equipped with JST PH2.0/2P plug for quick, hassle-free installation—no tech skills required.
LONG LASTING ENERGY BOOST - 7800mAh capacity keeps your Simplehuman mirror glowing longer than ever.
PRECISION VOLTAGE STABILITY - 3.7V output ensures consistent, flicker-free illumination for flawless makeup application.

This 3.7V 7800mAh rechargeable lithium-ion battery pack features three balanced 2600mAh 18650 cells connected in parallel, delivering extended runtime for Simplehuman sensor makeup mirrors (models ST3026, ST3027, ST3028, ST3029, BT1080). Equipped with a Japan Seiko Inc protection chip and high-power MOSFETs, it ensures safe, reliable performance with over-voltage, under-voltage, and over-current protection. Lightweight and easy to install with a JST PH2.0/2P plug, it’s the perfect upgrade to keep your mirror powered and your routine flawless.

Specifications

ASIN	B07JZL36C5
Amperage	2.1 Amps
Antenna Location	Simplehuman bt1080 battery replacement, ST3026 battery replacement, ST3028 battery replacement, DIY 1s3p 18650 battery pack, ST3027 battery replacement
Battery Capacity	7800 Milliamp Hours
Battery Cell Type	Lithium Ion
Battery Weight	149 Grams
Battery capacity	7800 Milliamp Hours
Battery cell composition	Lithium Ion
Brand	XINLANTECH
Brand Name	XINLANTECH
Compatible Phone Models	Simplehuman makeup mirror ST3026/ST3027/ST3028/ST3029/BT1080
Country of Origin	China
Customer Reviews	3.9 out of 5 stars 203 Reviews
Included Components	18650 1s3p battery pack,
Item Dimensions	6.7 x 5.5 x 1.9 centimetres
Item Type Name	Bt1080 Battery Replacement
Manufacturer	XINLANTECH
Model Name	Simplehuman Mirror Battery Pack
Model Number	G37V78
Number of Batteries	1 Lithium Ion batteries required.
Number of batteries	1 Lithium Ion batteries required.
Product Warranty	30 Day Money Back Guarantee
Recommended uses for product	Simplehuman bt1080 battery replacement, ST3026 battery replacement, ST3028 battery replacement, DIY 1s3p 18650 battery pack, ST3027 battery replacement Recommended uses for product Simplehuman bt1080 battery replacement, ST3026 battery replacement, ST3028 battery replacement, DIY 1s3p 18650 battery pack, ST3027 battery replacement See more
Reusability	Rechargeable
Unit Count	1.0 count
Unit count	1.0 count
Voltage	3.7 Volts

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