Cordless Vacuum Cleaner Battery, Compatible for Tineco A11 Hero/Hero EX/Tango/PWRHERO A11-07 Cordless Vacuum Li-ion Battery 21.6V Replacement Long-Lasting Power Supply(3000mah)

Compatible models:Tineco A11 Hero, A11 Hero EX, A11 Tango, PWRHERO A11-07 wireless vacuum cleaner.Material properties:Fireproof ABS shell with high-density lithium-ion battery cells, compact size (8 × 5 × 5cm), lightweight body (0.6kg).Functional advantages:Compared to regular batteries, it has a 40% increase in battery life, supports 3.5-hour fast charging, and maintains a capacity retention rate of over 85% after 500 cycles.

• Precise adaptability: Designed specifically for A11 Hero, Hero EX, Tango, and PWRHERO A11-07 models, seamlessly compatible with the original charging dock.
• Ultra long battery life: High capacity lithium-ion battery provides up to 40 minutes of continuous cleaning time, meeting the needs of large-scale cleaning.
• Stable voltage output: 21.6V voltage stabilization technology ensures that the vacuum cleaner maintains stable suction in strong mode, avoiding low battery power attenuation.
• Multiple safety guarantees: Built in overcharge/overdischarge/short circuit protection circuit, certified by UL, extends battery life and reduces usage risks.
• Ready to use design: It can be quickly installed without tools and supports fast charging with the original charger (about 3.5 hours to fully charge), reducing maintenance time.