OEM 4.8V Emergency Exit Sign Battery Replacement NiCd PVC Jacket

Brand Name:Godson or OEM
Model Number:Ni-Cd Battery Pack C2500mAh 4.8V
Minimum Order Quantity:50PCS
Payment Terms:T/T
Place of Origin:Guangdong, China (Mainland)
Price:Negotiable
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Verified Supplier
Location: Guangzhou Guangdong China
Address: Unit 103B (Main Building), Building 4, No. 29 North Pier Road, Huang Pu Village, Haizhu District, Guangzhou, Guangdong, China ,510330
Supplier`s last login times: within 48 hours
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Product Details

C2500mAh 4.8V Emergency Exit Sign Battery Replacement NiCd PVC Jacket
High Cost-Effective NiCd C2500mAh 4.8V Emergency Exit Light Batteries


Cell Product parameters:


DescriptionSpecificationConditions
Nominal Voltage1.2 V
Nominal Capacity2500mAh

Standard Charge/Discharge,up to 3 cycles are allowed.

Minimum Capacity2500mAh
Standard Charge250mA(0.1C) × 16 hrsTa=0~70℃ (see Note 1)

Rapid Charge


1250mA(0.5C) ×156 mins

approx.

(With -△V or dT/dt or TCO control) Timer CutOff =120%

input capacity ( for ref. only)

-△V= 5-10mV/cell dT/dt = 1~2℃/3min

Temp. CutOff = 50℃ (122°F) Ta=10~35℃

Trickle Charge125-250mA(0.05C-0.1C)Ta=0~70℃
Discharge Cut-off Voltage1.0V
Maximum Discharging Current2500mA(1C)
Operation Temperature-20℃~70℃
Storage Temperature-20℃~35℃
Typical Weight(approximate)71 g




Application:


Pos.Application fieldsApplication of the product
1Lightingemergency lighting, emergency power supply, solar lights, searchlingts, flashlights
2Power toolselectric drills, planers, saws, power granted
3Electronic toysremote control car, remote control boats, aircraft, model aircraft
4Communication equipmentcordless phones, walkie-talkie
5Other useselectric shavers, massagers, electric tooth brush


Product performance:

1.Ni-Cd battery has high charge and discharge efficiency and good safety performance at high temperature and has long service life under condition of long term floating charge, which makes it very suitable for emergency lighting application.

2.Working temperature for Ni-Cd battery could be up to 55 degree, and even up to 70 degree, and expected service life could be up to 4 to 5 years.

3. Wide range temperature adaptability.Ordinary nickel cadmium batteries can be used in high or low temperature environment. High temperature batteries can be used at temperatures of 70 degrees Celsius or higher.

4. Reliable safety valve. The safety valve provides maintenance free function. Nickel cadmium battery can be used freely in the process of charge discharge or storage. Due to the special material used in the sealing ring and the effect of sealant, the leakage phenomenon of Ni Cd battery is rare.


Ni-Cd Battery Cell Performance:


1. Ni-Cd Cell Charge Curve At 0.1C For 16h At 55 Degree



2. Ni-Cd Cell Discharge Curve At 0.25C At 55 Degree



3. Ni-Cd Cell Charge Efficiency At Different Temperature



4. Ni-Cd Cell Capacity Change At Permanent Charge At 55 Degree (0.05C Floating)



5. Ni-Cd Cell Cycle Life Curve



What are the different parts of a battery? A short summary:

· anode: the negative electrode during discharge. While charging, this becomes positive. In AA and AAA batteries, this is usually the protruding part on the top.

· cathode: the positive electrode during discharge. While charging, this becomes negative. In AA and AAA batteries, this is usually the flat part on the bottom.

· seal: a part of the battery cell that makes sure chemicals cannot leave the battery. It also limits air intake. A good seal is essential for a safe battery


Technical battery terms explained

Whereas they're simple to use, the electrical processes are often a little more complex. Let's take a look at the most common technical battery terms used:

· capacity: the amount of energy that is stored inside a battery. It is measured in mAh (milliamp hours).

· voltage causes electric charges to move through the wire or other conductors. It is measured in volt (V).

· cycle: one sequence of charge and discharge, or: how many times you can use and recharge a battery. Every rechargeable battery has a set amount of cycles (i.e. cycle life) before it starts losing capacity and efficiency.


China OEM 4.8V Emergency Exit Sign Battery Replacement NiCd PVC Jacket supplier

OEM 4.8V Emergency Exit Sign Battery Replacement NiCd PVC Jacket

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