NCM Pouch ESS Battery 21.6V 6.6Ah for Telecom UPS Power Systems with 3000+ Cycle Life

Price Negotiable

Price: Negotiation

MOQ: 10pcs

Delivery Time: 25-30 days

Brand: SOUNDON

Product Description

Product Specifications

Battery Pack Parameters

Nominal Voltage	21.6V
Capacity	6.6Ah
Maximum Charge Current	0.5C
Charging Cut-off Voltage	25.2V
Maximum Discharge Current	30A
Discharge Cut-off Voltage	16.8V
Dimensions	68.5 × 69 × 114mm
Weight	880g

Protection Board Parameters

Parameter	Specification
Over Charge Protection Voltage	4.25V ±25mV (25°C)
Over Discharge Voltage	2.8V ±50mV (25°C)
Maximum Charging Current	4A
Maximum Discharging Current	30A
Over Discharging Protection Current	80-100A

Technical Advantages

Lamination Technology Benefits

Accepts slight bending of electrodes
Accommodates thickness variations
Exposes internal defects for quality control
Spherical heat dissipation for improved thermal management
PP packaging provides enhanced safety over metal or plastic alternatives

Battery Cell Performance

3C high discharge current capability
Extended cycle life: LiFePO4 >3000 cycles, Li-polymer >2000 cycles
High capacity cells from 10Ah to 50Ah
Flexible assembly options for custom battery packs

Available Cell Models

Model	Capacity (Ah)	Voltage (V)	Dimensions (mm)	Cycle Life
SEPNi7688190P-12.5Ah	12.5	3.65	7.6×88.0×190.0	≥2000 times
SEPNi76190190P-25Ah	25	3.65	7.6×190.0×190.0	≥2000 times
SEPFe80125256P-20Ah	20	3.2	8.0×125.0×256.0	≥3000 times
SEPFe90161227P-25Ah	25	3.2	9.3×161.0×227.0	≥3000 times
SEPFe11190316P-50Ah	50	3.2	11.3×190.0×316.0	≥3000 times
SEPFe12212268P-50Ah	50	3.2	11.8×212.0×268.0	≥3000 times

Certifications & Quality Standards

International Product Certifications

UN38.3 CB CE RoHS UL

Quality Management Systems

ISO9001 ISO14001 TS16949

Manufacturing Capabilities

Soundon New Energy specializes in LiFePO4 and Li-polymer battery manufacturing with annual capacity reaching 2,160 MWH and high-quality lithium battery cathode material production up to 30,000 tons.