Nitecore HLB2500 Battery 2500mAh All-Weather - USB-C -40°C 10000m

The Nitecore HLB2500 2500mAh Battery (9.5Wh 3.8V) powers HA27UHE and HA29UHE headlamps in extreme conditions: -40°C, 10000 meters altitude, IPX8 submersible. Designed for high-altitude mountaineering, polar sports, and extreme expeditions.

Cold Performance and High-Altitude Reliability

Operates reliably at -40°C where standard batteries fail. Cold-hardened construction and All-Weather Li-ion technology guarantee stable power up to 10000 meters for mountaineering and polar missions. 9.5Wh energy delivers hours of lighting by mode. IPX8 certification ensures total water and snow resistance. Integrated USB-C port enables fast charging at bivouac or base camp. Circuit protection prevents overcharge and short circuits. Ultra-compact weight 1.80oz, / 51g.

Durability and Field Flexibility

Compatible via detachable MBC10 modular case: works with HLB1500 or AAA batteries per terrain availability. 500+ recharge cycles represents durable investment for multi-year missions. Hardened plastic housing resists impacts and extreme temperatures. Nitecore Lab testing confirms mountaineering standards compliance. Essential replacement battery for mountaineers, backcountry skiers, polar explorers.

Operating Instructions

Installation: Insert battery into HA27UHE or HA29UHE headlamp. Turns on automatically.

USB-C charging: Connect USB-C cable to integrated port. 5V⎓1.5A, approximately 2-3 hours per source.

Indicators: LEDs show battery level (constant >70%, slow 30-70%, fast <30%, red <10%).

Modular system: Use MBC10 case to alternate HLB2500, HLB1500, or AAA batteries.

Storage: Dry location, room temperature. Recharge every 6 months if unused.

Cold weather: Operates -40°C. Cold battery: let warm few minutes before optimal use.

Altitude: Normal function up to 10000 meters.

Specifications

• Cell: All-Weather Li-ion , all extreme cold conditions
• Capacity: 2500mAh
• Voltage: 3.8V
• Energy: 9.5Wh
• Input: 5V⎓1.5A USB-C
• Charge time: ~2-3 hours
• Recharge cycles: ≥ 500
• Dimensions: 2.44" / 62mm x 1.52" / 38.5mm x 0.65" / 16.4mm
• Weight: 1.80oz / 51g
• Waterproof: IPX8
  
• Minimum operating temperature: -40°C
• Maximum altitude: 32808 feet / 10000 meters
• Protection: Overcharge, over-discharge, short-circuit
• Compatible: HA27UHE, HA29UHE
• Modular system: MBC10 compatible HLB1500 and AAA

Box Contents

• 1 Nitecore HLB2500 2500mAh Battery
  
• 1 User Manual