3.7V 1800mAh Li Polymer battery for smart speaker

Smart speakers and portable audio equipment require batteries that can handle sudden current spikes for bass response without compromising life cycles. This Lithium Polymer battery is optimized for stable discharge, ensuring audio clarity and extended standby times for premium consumer electronics.

• Optimized Output: 3.7V Li-Po chemistry designed for low internal resistance and high discharge efficiency.
• High Energy Density: Maximize portable playtime within the constrained internal cavities of modern speaker designs.
• Rechargeable Durability: Engineered for long-term use with minimal capacity degradation over hundreds of cycles.
• BMS Integration: Features advanced protection to prevent swelling and ensure safety in high-use environments.
• OEM Scalability: Custom capacity and dimensional configurations available to match proprietary acoustic chambers.

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Product Description:

Product Number: P901-0330-0035
Battery Model: 3.7V 114755 1800mAh
Nominal Voltage: 3.7V
Nominal Capacity: 1800mAh (0.2C discharge)
Size: Thickness 11.2, Width 47.5, Length 57.5(Max, mm)
Initial Resistance: ≤220mΩ
O.C.V: ≥3.7V
Charge Cut-Off Voltage: 4.2V
Discharge Cut-Off Voltage: 3.0V
Standard Charge Method: 23℃±2℃, 0.2C CC charge to 4.35V, then CV (4.35V) charge until charge current≤0.02C
Charge Current: Standard charge:0.2C, Rapid charge:0.5C
Charge Time: Standard charge: 5.5h ~ 6.5 h, Rapid charge:1.5h ~ 2.5 h
Max. Charge Current: 0.5C (10℃ ~ 45℃)
Standard Discharge Current: -10℃ ~ 55℃ Constant current 0.2 C end voltage 3.0V
Max. Discharge Current: 1C
Operating Temperature: Charge: 10℃ ~ 45℃max. 85% RH, Discharge: -10℃~ 55℃max.85% RH
Li Polymer Battery Protection: Over charge protection, Over discharge protection, Over current protection, Short circuit protection, etc.
Battery Features: safety, adapt modified LMO Li-po battery to instead of 18650 ternary Li-ion battery, higher safety and lower comprehensive cost
Application: intelligent speaker, Bluetooth speaker