🔋 Power your productivity with confidence — never miss a beat!
This high-capacity 3400mAh lithium-ion replacement battery delivers reliable 3.7V power for Honeywell 3820, 4820, and compatible models. Engineered with triple safety certifications and advanced protections, it offers a lightweight, durable solution to keep your devices running longer. Comes with a 12-month warranty and responsive customer support, making it the smart choice for professionals who demand uninterrupted performance.
Unit Count | 1 Count |
Reusability | Rechargeable |
Battery Capacity | 3400 Milliamp Hours |
Voltage | 3.7 Volts |
Battery Cell Type | Lithium Ion |
A**C
works ok now
i ended up charging via contacts and pushing it harder into the device to get it working
D**V
Very bad
Within 1 month is not working
L**Y
IT WAS A GREAT PRODUCT
IT WAS A GREAT PRODUCT
J**G
Did not last eight hours.
Worked fine for a bit. Then died. Not charging. Sent back immediately.
Trustpilot
1 month ago
2 days ago