{"product_id":"nitecore-hlb2500-all-weather-battery-pack-2-500mah","title":"NITECORE HLB2500 - ALL-WEATHER BATTERY PACK (2,500MAH)","description":"\u003cp\u003eThe all-weather cell that keeps your headlamp running where ordinary batteries quit\u003c\/p\u003e\u003cp\u003eFull power at -40°C, sealed to IPX8, and ready at 10,000m. Built for the HA29 UHE and HA27 UHE.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2,500mAh \/ 9.5Wh rechargeable Li-ion pack\u003c\/li\u003e\n\u003cli\u003eHolds over 80% of its capacity at -40°C (-40°F)\u003c\/li\u003e\n\u003cli\u003eRated for altitudes up to 10,000m\u003c\/li\u003e\n\u003cli\u003eIPX8 waterproof, sealed against snow and immersion\u003c\/li\u003e\n\u003cli\u003eRecharges over its own USB-C port, no charger needed\u003c\/li\u003e\n\u003cli\u003eRed and green indicator shows charge status at a glance\u003c\/li\u003e\n\u003cli\u003e≥500 recharge cycles at room temperature\u003c\/li\u003e\n\u003cli\u003eDirect fit for the Nitecore HA29 UHE and HA27 UHE\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOne battery for the whole trip, in any weather\u003c\/p\u003e\u003cp\u003eHigh altitude, extreme cold and heavy weather covered. The HLB2500 is a purpose-built pack for the HA29 UHE and HA27 UHE, so the light you rely on keeps its output when the conditions turn against you.\u003c\/p\u003e\u003cp\u003eAlkaline and standard lithium cells fade fast in the cold and lose reach at altitude. This pack is engineered to keep delivering, from a snowbound treeline to a high summit push.\u003c\/p\u003e\u003cp\u003eSteady power at -40°C\u003c\/p\u003e\u003cp\u003eReliable light in deep cold. A conventional Li-ion cell can drop to 10% of its usable capacity or less in extreme cold. The HLB2500 keeps over 80%, so your headlamp stays bright through a long freezing night.\u003c\/p\u003e\u003cp\u003ePaired with the HA29 UHE, the HIGH level holds around 400 lumens in the -40°C to -30°C range. That is the difference between a working light and a dead one on a winter ridge.\u003c\/p\u003e\u003cp\u003eReady at 10,000m\u003c\/p\u003e\u003cp\u003eFearless in thin, low-pressure air. The HLB2500 delivers stable power at altitudes up to 10,000m, so it keeps working through the summit push where the air, and lesser batteries, run out.\u003c\/p\u003e\u003cp\u003eSealed to IPX8\u003c\/p\u003e\u003cp\u003eAt home in snow, rain and immersion. The pack is built to shrug off sudden weather, from a torrential downpour to a driving blizzard, and carries an IPX8 waterproof rating so a soaking on the trail is a non-event.\u003c\/p\u003e\u003cp\u003eRecharge anywhere over USB-C\u003c\/p\u003e\u003cp\u003eCharge it straight from the pack. The built-in USB-C port tops the HLB2500 up from any USB-C source, so a power bank or a car socket at the trailhead is all you need. No dedicated charger to pack.\u003c\/p\u003e\u003cp\u003eA colour indicator keeps you informed: red constant-on while it charges, green constant-on when it is full. Pre-charge a spare before you leave and you always know exactly what you are carrying.\u003c\/p\u003e\u003cp\u003eProtected from the inside out\u003c\/p\u003e\u003cp\u003eMultiple safeguards on every charge. A high-quality protection IC and high-power MOS-FET regulation guard against overcharge, over-discharge and short circuits, with separator thermal shutdown protection as an added layer.\u003c\/p\u003e\u003cp\u003eBuilt to take a knock\u003c\/p\u003e\u003cp\u003eRugged where it counts. A high-strength plastic housing lowers the risk of impact-induced short circuits, while an integrated high-strength potting design protects both the cell and the circuit board.\u003c\/p\u003e\u003cp\u003eNickel-plated copper contacts at both ends add impact and oxidation resistance, keeping a clean connection to your headlamp trip after trip.\u003c\/p\u003e\u003cp\u003eCleaner power, season after season\u003c\/p\u003e\u003cp\u003eRechargeable and responsibly made. One HLB2500 replaces a long trail of single-use cells. It is mercury free, lead free and cadmium free, and holds multiple global certifications.\u003c\/p\u003e\u003cp\u003ePERFORMANCE \u0026amp; CONDITIONS\u003c\/p\u003e\u003cp\u003eOperating temperature: Down to -40°C (-40°F)\u003c\/p\u003e\u003cp\u003eCapacity retained at -40°C: ≥80%\u003c\/p\u003e\u003cp\u003eOutput with HA29 UHE (HIGH, -40°C to -30°C): Approx. 400 lumens\u003c\/p\u003e\u003cp\u003eAltitude rating: Up to 10,000m\u003c\/p\u003e\u003cp\u003eWaterproof rating: IPX8\u003c\/p\u003e\u003cp\u003eCycle life (room temperature): ≥500 charge \/ discharge cycles\u003c\/p\u003e\u003cp\u003eCycle life (-40°C): ≥300 charge \/ discharge cycles\u003c\/p\u003e\u003cp\u003eCompatible headlamps: Nitecore HA29 UHE, HA27 UHE\u003c\/p\u003e\u003cp\u003eTECHNICAL SPECIFICATIONS\u003c\/p\u003e\u003cp\u003eCapacity: 2,500mAh\u003c\/p\u003e\u003cp\u003eNominal voltage: 3.8V\u003c\/p\u003e\u003cp\u003eEnergy: 9.5Wh\u003c\/p\u003e\u003cp\u003eBattery type: Rechargeable Li-ion\u003c\/p\u003e\u003cp\u003eCharging port: USB-C\u003c\/p\u003e\u003cp\u003eCharging input: 5V⎓1.5A\u003c\/p\u003e\u003cp\u003eCharge indicator: Red: charging \/ Green: fully charged\u003c\/p\u003e\u003cp\u003eProtection: Overcharge, over-discharge, short-circuit, separator thermal shutdown\u003c\/p\u003e\u003cp\u003eMaterials: Mercury free, lead free, cadmium free\u003c\/p\u003e\u003cp\u003eDimensions: 62.0 x 38.5 x 16.4mm (2.44 x 1.52 x 0.65\")\u003c\/p\u003e\u003cp\u003eWeight: 51g (1.80 oz)\u003c\/p\u003e\u003cp\u003eFREQUENTLY ASKED QUESTIONS\u003c\/p\u003e\u003cp\u003eWhich headlamps does the HLB2500 work with?\u003c\/p\u003e\u003cp\u003eThe HLB2500 is a direct-fit rechargeable pack for the Nitecore HA29 UHE and HA27 UHE. It drops straight in as your main cell, and because it is a self-contained pack you can carry a charged spare and swap it in the field in seconds.\u003c\/p\u003e\u003cp\u003eCan I charge it on its own, and how do I know when it is full?\u003c\/p\u003e\u003cp\u003eYes. The USB-C port is on the pack itself, so it charges from any USB-C source at 5V\/1.5A with no headlamp and no dedicated charger needed. The indicator glows red constant-on while charging and green constant-on once full, so a spare is easy to prepare before a trip.\u003c\/p\u003e\u003cp\u003eHow should I look after it between trips?\u003c\/p\u003e\u003cp\u003eStore it partially charged in a cool, dry place. Built-in over-discharge protection looks after a resting cell, and with ≥500 recharge cycles at room temperature a single pack lasts many seasons of regular use.\u003c\/p\u003e\u003cp\u003eSold per UNIT.\u003c\/p\u003e","brand":"NITECORE","offers":[{"title":"Default Title","offer_id":67597354598499,"sku":"NTC-HLB2500","price":39.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/7040\/6243\/files\/NITECORE-HLB2500-1.png?v=1790666540","url":"https:\/\/acthardware.store\/products\/nitecore-hlb2500-all-weather-battery-pack-2-500mah","provider":"A.C.T. HARDWARE","version":"1.0","type":"link"}