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| Place of Origin: | Guangdong, China (Mainland) |
| Brand Name: | PAC/ODM |
| Certification: | IEC62133, UN38.3, MSDS |
| Model Number: | 26650 4S |
| Minimum Order Quantity: | 10 |
|---|---|
| Price: | Negotiable |
| Packaging Details: | White inner box, standard export carton |
| Delivery Time: | 15-20 days for samples, 20-25 days for mass production |
| Payment Terms: | T/T |
| Supply Ability: | 2,000pcs/day |
| Type: | LiFePO4 | Cell Model: | 26650 |
|---|---|---|---|
| Nominal Voltage: | 12.8V | Nominal Capacity: | 50Ah |
| Items: | 12.8V 50Ah LiFePO4 Solar Street Light Battery | Application: | Solar Street Light |
| Keywords: | LiFePO4 Battery, LiFePO4 Solar Street Light Battery,Solar Street Light Battery | Protection: | Built-in PCM |
| Standard Discharge Current: | 0.2C, 10Ah | Standard Charge Current: | 0.2C, 10Ah |
| Certificate: | IEC62133, UN38.3, MSDS | Cycle: | 2000 Times |
| Warranty: | 1 Year | ||
| High Light: | rechargeable lithium batteries,battery pack for led lights |
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26650 4S 12.8V 50Ah LiFePO4 Solar Street Light Lithium Rechargeable Battery
Solar Street Light Battery, using 26650 LiFeOP4 Battery cells assembled to 12.8V 50Ah.
1.Features of 26650 4S 12.8V 50Ah LiFePO4 Solar Street Light Battery
Output with high efficiency
Good performance under wide temperature -20-60℃.
Good safety performance
Long cycle life time, over 2000 cycle times(100%DOD).
Fast charging.
Low self-discharge.
Evironment friendly.
2.Specification of 26650 4S 12.8V 50Ah LiFePO4 Solar Street Light Battery
| Specification: | |
| Voltage | 12.8V |
| Capacity | 50Ah |
| Cell Type | LiFePO4 26650 3.2V 3000mAh |
| Charge Current | 1C |
| Working Temperature | 1500 times |
| Cycle Life | 0 ℃- 65℃ |
| Working Voltage Range | 11.2V-14.6V |
| Over-charge Cut off Voltage | 14.6V |
| Over Discharge Cut off Voltage | 11.2V |
| Dimension | 288*208*78 |
| Weight | 6kg |
3. Test Conditions
3.1 Standard Test Conditions
3.1.1 Unless otherwise specified, all performance tests is required conducted at temperature 25℃±2℃, Humidity less than 45%~75%RH.
3.1.2 Unless otherwise specified, the tested product is required unused within two month after outgoing.
4. Product Performance
| NO. | Items | Criteria | Testing method | |
| 4.1 | Internal resistance | ≤20mΩ | 50% battery SOC state frequency of 1 KHZ ac resistance tester | |
| 4.2 |
Cycle life (DOD100%) |
≥2000cycle | Discharge with the current of 0.33C until it can’t discharge, and then rest it for 1h. Charge the battery following CC (0.33C)/CV (14.6V) mode to full capacity, and then rest it for 1h. Repeat above process until full charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life. | |
| 4.3 |
Discharge Temperature Characteristics |
-20℃ | ≥70% | At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. |
| -0℃ | ≥80% | |||
| 25℃ | ≥100% | |||
| 55℃ | ≥95% | |||
| 4.4 | Charge Retention ability |
Residual capacity≥80% |
Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage. | |
| Recovery capacity≥90% | ||||
| 4.5 | Communication Function | Bluetooth | Though, user can read the battery system information such as voltage, current, SOC, temperature…and so on. | |
5. Protective circuit specification
The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.
| NO. | Items | Content | Specification |
| 5.1 | Over charge | Over-charge protection for each cell | 3.90±0.04V |
| Over-charge release for each cell | 3.60±0.04V | ||
| Over-charge release method | Under the release voltage | ||
| 5.2 | Over discharge | Over-discharge protection for each cell | 2.0±0.05V |
| Over-discharge release for each cell | 2.5±0.05V | ||
| Over-discharge release method | Charge to recovery | ||
| 5.3 | Over current | Discharge over current protection | 300A～500A |
| Protection delay time | 50s～200ms | ||
| Over current release method | Delay about 8S after recovery | ||
| 5.4 | Short circuit | Do not short-circuit the electrodes | Designed For 500A～750A /500us |
| 5.5 | Battery temperature | Charge over temperature | Protection @65±5℃ |
| Release @50±5℃ | |||
| Discharge over temperature | Protection @65±5℃ | ||
| Release @50±5℃ | |||
| Charge low temperature protection | Protection @-10±5℃ | ||
| Release @0±5℃ | |||
| MOSFET over temperature protection | Protection @103±10℃ | ||
| Release @75±10℃ |
7. 12.8V 50Ah LiFePO4 Solar Street Light Battery Charging mode: constant current, constant voltage
WARNING:
1. DO NOT short the battery terminals.
2. DO NOT over charge or over discharge.
3. DO NOT incinerate, crush or disassemble.
4. DO NOT reverse connections(polarity) from charger to battery.
5. DO NOT operate battery beyond published voltage, current and temperature limits.
• By Air Door to Door Service
• By Sea Door to Door Service
• By Express: EMS, TNT, UPS, FedEx
We can arrange shipment of 12.8V 50Ah LiFePO4 Solar Street Light Battery as your request.
Contact Person: Lin Fan
Tel: 0086 15920098587
