QL0842000 8.4V 2A Charger for 2S 7.4V Li-ion Battery
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Designed for 2S 7.4V Li-ion, LIPO, and Lithium battery packs
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8.4V 2A intelligent charging with auto cut-off
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Charging stages: Pre-charge, Constant Current (CC), Constant Voltage (CV)
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Dual-color LED for power and charging status
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Full protection: Over-voltage, Over-current, Short-circuit, Reverse polarity
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Globally certified: CE, UL, FCC, SAA, RC
Description
QILIPOWER® QL0842000 8.4V 2A Li-ion Battery Charger for 2S 7.4V LIPO Lithium Battery Packs – Compact Design, CE UL FCC SAA RCM Certified
Specification
QILIPOWER Li-ion battery charger with model QL0842000 8.4V 2A is designed for 2S 7.4V Li-ion, LIPO, and rechargeable lithium battery packs. It offers precise charging control, intelligent cut-off, and a compact design, while complying with global safety standards (CE, UL, FCC, SAA, RCM). Ideal for 18650 battery chargers, low-voltage lithium packs, and portable device charging applications.
| Item | Specification | Remark |
|---|---|---|
| Brand | QILIPOWER® | |
| Model | QL0842000 | |
| Warranty | 3 Years | |
| Adapt for | 2S 7.4V Li-ion / LIPO / Lithium battery packs | LED lights, drones, scanners, speakers, etc. |
| Customized Charger | Available for voltage, current, connectors | OEM / ODM Supported |
| Input Voltage (Rated) | 100~240 Vac 50/60 Hz | |
| Input Voltage Range | 90~264 Vac | |
| Input Current | 1.0 A/RMS | Input: 100V, Full load |
| Max Input Power | 22 W | Input: 100V, Full load |
| No-load Output Voltage | DC 8.4 V | |
| Output Voltage Range | DC 7.4V~8.4 V | |
| Charging Voltage | DC 8.4 V ±0.2 V | |
| Charging Current | 2 A ±10% | |
| Pre-charge Current | 0.8 A ±0.1 A | Voltage ≤12.0 V |
| End Charge Current | ≤0.3 A ±10% | |
| Max Output Power | 18 W | |
| Ripple Voltage | ≤168 mV | Full load |
| LED – Power | Red | Power On |
| LED – Charging | Flashing one by one | Charging |
| All on | Finished | |
| All flashing | Error | |
| All off | No battery | |
| Protections | OVP, OCP, Short Circuit, Reverse Polarity | |
| Efficiency | ≥85% | Full load @220V |
| Operating Temperature | -10 ~ +40℃ | |
| Operating Humidity | <90% RH | |
| Storage Temperature | -40 ~ +70℃ | |
| Storage Humidity | 0 ~ +95% RH | |
| Cooling Method | Natural Air | |
| Vibration Resistance | 5mm / 50Hz / 600s | Non-operating condition |
| Drop Resistance | 1 meter drop test ×3 | Non-operating condition |
| Size | 70×45×38 mm | Casing only |
| Weight | 150g | Net |
| Connector Type | Refer to order | Customizable |
| Max Temperature Rise | <40℃ on casing | |
| Safety Approvals | CE, UL, FCC, TUV, PSE, CCC, SAA, RCM | Global certifications |
| MTBF | 30,000 hours | |
| ESD Resistance | 8.0 KV | |
| Hi-Pot Test | i/p to o/p: 3000V (1 minute) |
Adaptation & Customization
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Compatible with a wide range of 2S 7.4V Li-ion, LIPO, and Lithium battery applications including LED systems, portable electronics, RC toys, security cameras, Bluetooth speakers, smart meters, medical sensors, POS terminals, electric toothbrushes, and solar lights.
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Customization available for output connectors, charging parameters, casing design, and private labeling to meet OEM/ODM project requirements.
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