The AN01R USB-C coin cell charger enables fast, universal charging for LIR1025, 1220, 1254, and other button batteries via USB-C ports. Its compact design supports 3.7V-4.2V lithium-ion rechargeables, eliminating the need for proprietary cables. Reverse polarity protection and auto-shutoff ensure safety, while LED indicators display real-time charging status. This device bridges the gap between modern USB-C infrastructure and niche battery formats.
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Which Batteries Are Compatible with the AN01R Charger?
The AN01R supports 15+ button battery types, including LIR1025, LIR1220, CR1632, and CR2032. It handles diameters from 10mm to 24.5mm and thicknesses up to 5.4mm through adjustable contact springs. Unique voltage detection automatically identifies 3V lithium-metal vs 3.7V lithium-ion cells, applying appropriate charging algorithms to prevent overcharging. Excludes non-rechargeable alkaline/zinc-air batteries.
For specialty applications, the charger accommodates less common variants like the CR1216 (12mm diameter) and CR2477 (24.5mm). Its spring-loaded contacts maintain consistent pressure across varying cell thicknesses, ensuring stable connections even with irregularly shaped batteries. Compatibility extends to high-drain lithium batteries used in medical devices, achieving full charge cycles without voltage spikes. A recent firmware update added support for the LIR1260 (12x6mm) commonly found in hearing aids.
What Safety Features Prevent Battery Damage During Charging?
Multi-layered safeguards include:
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- Temperature-controlled IC with ±1°C monitoring
- Voltage regulation accurate to ±0.05V
- Reverse current protection (up to 2A blockage)
- Dual-layer PCB isolation
The charger implements CC-CV charging with tapered current reduction, stopping at 95% capacity to extend battery lifespan. IPX4 splash resistance protects against accidental liquid exposure.
The thermal management system uses NTC sensors to detect abnormal heat patterns, reducing charging current by 50% if battery temperatures exceed 45°C. In extreme cases, the failsafe circuit completely disconnects power within 0.3 seconds. Independent testing by Underwriters Laboratories confirmed zero thermal runaway incidents across 10,000 charge cycles. The dual-layer PCB design creates physical isolation between charging channels, preventing cross-circuit failures even when charging mixed battery types simultaneously.
How Does Charging Speed Compare to Traditional Chargers?
Using 5V/2A USB-PD input, the AN01R charges CR2032 cells in 85 minutes vs 4+ hours with legacy chargers. Adaptive current delivery scales from 100mA (for 20mAh LIR1025) to 650mA (for 650mAh LIR2450). Smart load balancing allows simultaneous charging of mixed battery types without speed compromise. Includes recovery mode for deeply discharged cells (<2V).
| Battery Type | AN01R Charge Time | Traditional Charger |
|---|---|---|
| CR2032 (220mAh) | 85 minutes | 4.5 hours |
| LIR2450 (650mAh) | 2.2 hours | 7 hours |
| CR1632 (120mAh) | 55 minutes | 3 hours |
The adaptive current algorithm analyzes battery chemistry and capacity during the initial charging phase, dynamically adjusting power delivery. This prevents lithium plating in older cells while maximizing speed for newer batteries. When charging four cells simultaneously, the system intelligently allocates power based on individual battery states, maintaining 85% of maximum charging speed across all slots.
Why Choose USB-C Over Micro USB for Battery Charging?
USB-C provides:
- 24W max input vs Micro USB’s 15W limit
- Reversible plug orientation
- PD 3.0 compatibility for optimized voltage handshaking
- Future-proof connectivity with 10Gbps data transfer capability
Testing shows 92% energy efficiency vs 78% in Micro USB models. The robust 10,000-cycle USB-C port withstands 5x more insertions than Micro USB equivalents.
How Does the Charger Optimize Battery Lifespan?
Proprietary Battery Health AI monitors:
- Charge cycle count
- Internal resistance changes
- Voltage depression patterns
Automatically reduces charging current by 15% after 200 cycles. Storage mode discharges batteries to 3.2V if unused for 30+ days. Includes desulfation pulses for recovering nickel-based cells. Lab tests show 23% longer battery lifespan compared to basic chargers.
The AI algorithm creates unique charging profiles by analyzing historical usage data. For batteries showing increased internal resistance (≥15% over initial specs), the system switches to gentle charging mode, extending usable life by an average of 47 cycles. Storage mode activation prevents lithium passivation, a common issue in infrequently used backup batteries. During long-term storage, the charger performs monthly maintenance cycles to keep cells within optimal voltage ranges.
What Makes the AN01R Ideal for IoT Device Maintenance?
Simultaneously charges 4 batteries – critical for sensor networks requiring frequent replacements. At 48g weight, it’s 37% lighter than competitors. Supports -20°C to 60°C operation for industrial environments. EMI shielding prevents interference with nearby wireless protocols (Bluetooth/Zigbee). Optional magnetic base secures to metal surfaces during field use.
Can This Charger Power Devices Directly?
Yes, the AN01R doubles as a power bank. Insert two CR2032 batteries to output 5V/0.5A via USB-A port. While not suitable for smartphones, it can emergency-charge:
- Bluetooth trackers (2hr runtime)
- Digital thermometers (8hr)
- LED lights (3hr)
Reverse charging protects against device backfeed up to 1.5A.
“Battery University’s 2023 study reveals proper charging increases coin cell cycle life by 300%. The AN01R’s precision charging aligns with IEEE 1725-2021 standards for lithium cells. Its hybrid buck-boost converter efficiently handles wide voltage ranges – a game-changer for medical devices using mixed battery types.” – Dr. Elena Voss, Power Systems Engineer
FAQs
- Q: Does it charge NiMH coin cells?
- A: No – designed exclusively for lithium-based chemistry (3V-4.2V range).
- Q: Maximum simultaneous batteries?
- A: Four cells of any compatible type, mix allowed.
- Q: Warranty details?
- A: 18-month warranty covering charging circuit defects. Excludes physical damage.