The updated Nintendo Switch battery is a major upgrade from the original | TechRadar
Internal Li-ion Battery Replacement HAC-003 4310mAh For Nintendo Switch Console – ASA College: Florida
The internal design of the Nintendo Switch leaks a round decomposition picture - GIGAZINE
Amazon.com: NYI Upgraded 4550mAh HAC-003 Battery Replacement Compatible with Nintendo Switch Console Handhold HAC-001,High Capacity Internal Battery with Installation Tools Kit : Video Games
HAC-001 HAC-001 HAC-001(-01) Battery for Nintendo Switch Console 4310mAh NEW | eBay
Nintendo Switch Console Battery: Replacement Part #HAC-003
Amazon.com: iFixit Battery Compatible with Nintendo Switch Joy-Con Controller : Video Games
Battery for Nintendo Switch Joy-Con OEM - PULLED | ZedLabz
Technical Specs - Nintendo Switch™ - System hardware, console specs - Nintendo - Official Site