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48V 50Ah 3U UPS Rechargeable Batteries 482360.5133.2mm For Energy Storage

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Shenzhen Topband Battery Co., Ltd

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48V 50Ah 3U UPS Rechargeable Batteries 482360.5133.2mm For Energy Storage

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Brand Name :	Topband
Model Number :	TB4850F-T110I
Certification :	CE, TUV, UL, UN38.3, etc.
Price :	Negotiable
Payment Terms :	L/C, T/T
Supply Ability :	1GWH/year
Delivery Time :	10-40 days

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48V 50Ah 3U UPS Rechargeable Batteries 482360.5133.2mm For Energy Storage

48V 50Ah 3U UPS Rechargeable Batteries 482*360.5*133.2mm For Energy Storage

1. Specifications:

Model	TB4850F-T110I
Nominal Voltage	51.2V
Nominal Capacity	50Ah
Charge voltage	58.4V
Discharge cut-oﬀ voltage	40V
Max Charge current	25A
Discharge current	50A
Peak discharge current(3s)	80A
Weight	30KG
Dimension	482360.5133.2 mm
BMS	Yes
Bluetooth	can be customised
Working temperature	-25 - 55℃
assembly application	support 1S16P
Internal resistance	≤80mΩ
Self-discharge rate	Residual capacity:≤3%/month;≤15%/year

2. Battery Pack Reliability Test

2.1 Testing condition (Unless Special Requirements)

Temperature:20±5℃ Relative Humidity: 45~75%

Atmosphere Pressure: 86~106kPa

All testing under full capacity

2.2 Reliability Test

No.	Items	Standards	Testing Methods
1	Vibration Testing	The appearance of battery should not leakage, break or explosion	Fix a charged battery on a vibrating table, vibrate it for 90 minutes in three mutually perpendicular directions at the 0.8mm resonance. The frequency is to be varied at the rate of 1hz/min between 10 and 55 hertz.
2	High Temperature Discharge Testing	The battery should be no remarkable breakage, distortion. Discharge time should not less than 255mins	Place a full charged battery under the environments of 55℃ for 2 hours. Discharge it at the current of 0.2C to the cut-off voltage. Then keep it at 20℃±5℃ for 2 hours.
3	Low Temperature Discharge Testing	The battery should be no remarkable breakage, distortion. Discharge time should not less than 180 minute	Place a full charged battery under the environments of -20℃ for 15-24 hours. Discharge it at the current of 0.2C to the cut-off voltage. Then keep it at 20℃±5℃ for 2 hours.
4	Constant Humidity & Temperature Testing	The battery should be no remarkable breakage, distortion. Discharge time should not less than180mins	Place a full charged battery under the environments of 40℃ and 90% - 95%RH for 48 hours. And keep it in the room temperature for 2 hours. Then discharge it at the current of 0.2C to the cut-off voltage.
5	High & Low Temperature Storage	The battery should be no remarkable breakage, distortion. And charge/discharge normally	Place a full charged battery in a oven with 55±2℃ for 2 hours, then keep it under 20±5℃ for 4hrs, then place it in a oven with -20±2℃ for 2 hours, then keep for 4 hours under 20±5℃, cycle as high temperature-normal temperature-low temperature-normal temperature-high temperature for 10 times

3. BATTERY PACK SAFETY TEST

3.1 Testing condition (Unless Special Requirements)

Temperature:20±5℃ Relative Humidity: 45~75%

Atmosphere Pressure: 86~106kPa

All testing under full capacity

3.2 Battery Pack Safety Test

No.	Items	Standards	Testing Methods
1	Short-Circuit	The battery should be no remarkable breakage, distortion. And charge normally.	Use a resistor with less than 0.05Ω to make the battery short circuit for 1 hour. The appearance and characteristics are normal.
2	Over Discharge Protection Test	The battery should be no remarkable breakage, distortion. Appearance and charge are normal.	Discharge the battery at the rate of 0.2C with the load of 30Ω for 24h . Charging for 10sec with specified adapter , and check the voltage(≥8V)
3	Impact Test	The battery should be no explosion or catch fire	Place a full charged battery on a flat and put a stainless steel stick (Diamond 7.9mm) in the middle of the battery upright . Beat the steel stick with 9.1Kg

Packaging & Shipping

1. Pack in safety industrial package, with IATA shipping standard.
2. For sample or small order: ship by DHL, UPS, FedEx and TNT etc…
3. For large order, ship by AIR or OCEAN.

Product Tags:

ups replacement batteries

ups backup battery

48V 50Ah 3U UPS Rechargeable Batteries 482360.5133.2mm For Energy Storage

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