
HLB2500.All-Weather USB-C Rechargeable Li-ion Battery Pack.High-Altitude Ready.Extreme Cold Resistant.Superior Waterproofing.Operable at -40°C (-40°F) & 10000m.IPX8 Waterproof.2500mAh.USB-C Input

All-Weather Power.Ready for All Conditions.High Altitude Ready.Keeps you safe at 10,000m altitude.Extreme Cold Resistant.Reliable illumination down to -40°C (-40°F)Superior Waterproofing.IPX8-rated protection.Whether you're pushing the limits on high-altitude climbs or braving extreme cold in snow sports, the HLB2500 all-weather Li-ion battery pack (2,500mAh) delivers the reliable power you need to keep going.Note: The HLB2500 is compatible with.the HA29 UHE and HA27 UHE.*Data from NITECORE Lab. Results may vary under different testing conditions or environments.

Defy Extreme Cold.Always Ready.No more power drops or failures in freezing temperatures.It delivers continuous power at -40°C (-40°F), ensuring reliable illumination in extreme cold environments.When paired with the HA29 UHE,the HIGH level can maintain approx. 400 lumens.in -40°C to -30°C (-40°F to -22°F) Extreme Cold.Battery Performance at -40°C (-40°F) -40°C.2,500mAh.HLB2500.≥80% Available Capacity.2,000mAh.500mAh.Conventional Li-ion Battery.≤10% or Unusable.20°C (68°F)-10°C (14°F)-40°C (-40°F)HLB2500.2,500mAh Conventional Li-ion Battery.*Data from NITECORE Lab.

Stable Performance.Even at 10000m Altitude.Fearless of extreme low-pressure environments at 10,000m, it delivers stable power throughout your ascent, helping you summit every peak on Earth.*Data from NITECORE Lab, obtained through reliability testing at 11.6 kPa low pressure.(simulating an altitude of approx. 15,000m). Results may vary under different testing conditions or environments.

IPX8 Waterproof.Built to withstand sudden extreme weather.Whether it's a torrential downpour or a raging blizzard, it will always be there to light your path forward.*Data from NITECORE Lab. Results may vary under different testing conditions or environments.

USB-C Rechargeable.Charge Anytime, Anywhere.Charging: Red Constant-on.Fully Charged: Green Constant-on

Internal Safety Features.Built-in intelligent protective circuit protects against overcharge, over discharge and short-circuiting (…)Separator Thermal Shutdown Protection

Purpose-designed High Performance Protected Circuit.Effectively protects against overcharge, over discharge and short-circuiting Utilizes a high-quality battery protection IC Utilizes high-power MOS-FET in the current regulation module for better efficiency and superior output

External Safety Features.1.Nickel-plated copper protectors at both ends ensures high impact and oxidation resistance, safeguarding the battery contacts.2.Special high-strength plastic housing reduces the risk of short circuits caused by impacts, ensuring enhanced battery protection.3.Integrated high-strength potting design protects both the battery and circuit board.

1 x HLB1500 ≈1700 x Primary AAA Lithium Iron Batteries.The HLB2500 rechargeable Li-ion battery is cost-effective, supporting ≥500 charge/discharge cycles at room temperature and ≥300 charge/discharge cycles at -40°C (-40°F).At Room Temperature.≥500.Charge/Discharge Cycles.At -40°C (-40°F) Low Temperature.≥300.Charge/Discharge Cycles.* Data from NITECORE Lab: HLB2500 (9.5 Wh) vs. primary AAA lithium iron batteries (1.65 Wh) at ≥300 charge/discharge cycles under -40°C (-40°F). Results may vary depending on conditions and samples.

Environmentally Friendly.Mercury Free, Lead Free and Cadmium Free

Safe and Reliable.Globally insured and multiple global certifications approved.WARNING:DO NOT use the battery if its wrapper is damaged.DO NOT store or transport the battery with metal objects to avoid short circuit.DO NOT discharge at below 2.5V or charge at above 4.35V.DO NOT use the battery if its discharge current does not match your product.DO NOT disassemble, puncture, cut, crush, incinerate or short-circuit the battery.DO NOT expose the battery to water or fire, or store the battery in a confined area with a high temperature above 50°C (122°F).FAILURE TO FOLLOW THE ABOVE INSTRUCTIONS MAY RESULT IN SEVERE BATTERY DAMAGE OR POSSIBLE EXPLOSION.