Aligator AS4000BAL Replacement Battery 3.7V 1200mAh Dash J 4.0" Bench tested on actual hardware:

Bench tested on actual hardware: We ran this pack through repeated probe-initialisation cycles on the M600 platform

The battery’s 12V 9Ah capacity is appropriate for small to medium UPS units like the Powerware 3110-425 VA

small UPS or emergency power setups for low-draw devices and tools

allowing for quick replacement without complicated wiring

0V cutoff threshold through a full discharge sequence

Aligator AS4000BAL Replacement Battery 3.7V 1200mAh Dash J 4.0" Bench tested on actual hardware:Aligator S4000 Series 3. 7V Li ion Replacement Battery (AS4000BAL) The AS4000BAL is a 3. 7V, 1200mAh Li ion cell that fits the Aligator S4000, S4000 Dou, and S4020 smartphones. It replaces a degraded or failed original battery without requiring board level repairs. Voltage and form factor match the original spec exactly. S4000, S4000 Dou, and S4020 fit: All three models share the same battery bay dimensions (53. 85 53. 90 4. 50mm), connector pinout,