Price: $12.99
(as of Apr 08, 2026 17:31:34 UTC – Details)
Product description
A professional battery designer & battery pack manufacturer
Engineered Excellence and Reliability by elxjarelxjar is dedicated to providing high-quality battery solutions for a variety of applications, delivering dependable power to enhance device performance. We believe in the importance of reliability, durability, and safety, which is why each of our products is built to meet stringent quality standards. Our batteries are engineered to provide seamless, long-lasting power for a wide range of electronic devices. From portable speakers to industrial equipment, elxjar ensures that customers can trust our batteries to deliver consistent energy with optimal performance and safety. We pride ourselves on offering products that provide long-term value.
Product Specification
Chemistry Type: Lithium-Ion (Li-ion) Nominal Capacity 2600mAh Nominal Voltage 3.7V Dimensions Approx Size: L 2.67 ” (67.70mm) x W 0.73 ” (18.50mm) x H 0.73 ” (18.50mm) Weight 1.75 oz(49.5g) Energy 9.62Wh Connector Type PR500EC Rechargeable Yes
Key Product Features
Provides a stable 3.7V output with a capacity of 2600mAh, delivering approximately 9.62Wh of power for extended music playbackBuilt using high-quality lithium-ion cells to ensure long-lasting energy, stable voltage, and high recharge efficiencyThis battery is rechargeable, supporting multiple charge cycles and offering cost-effective performancePrecision-engineered to match the exact size and connector of the original LI11B001F battery for an easy, secure fit into the Harman Kardon Onyx Studio speakersEncased in durable ABS and polycarbonate housing to prevent physical damage, and protect against overheating, short-circuiting, and overcharging
Battery Specifications
Battery Type: Lithium-Ion (Li-ion)Voltage: 3.7VCapacity: 2600mAhEnergy: 9.62WhApprox Size: L 2.67 ” (67.70mm) x W 0.73 ” (18.50mm) x H 0.73 ” (18.50mm)Weight: 1.75 oz(49.5g)Form Factor: Custom pack with PR500EC connectorConnector Type: PR500EC for seamless installationRechargeable: Yes
Safety, Storage & FAQ
Store this battery in a cool, dry place, away from direct sunlight, moisture, or excessive heat. Do not crush, puncture, or expose the battery to open flames. Handle with care during installation to prevent damage to connectors or wires. Dispose of used batteries responsibly by following local recycling guidelines to ensure safe disposal.Q1: Is this battery rechargeable?A1: Yes, this battery is rechargeable and is designed for multiple cycles of charging and discharging, providing long-term use.Q2: How should I properly charge this battery?A2: Use a charger that is specifically compatible with 3.7V Li-ion batteries. Always follow the manufacturer’s recommendations for charging current and voltage to avoid overcharging.
HIGH-CAPACITY DESIGN: 2600mAh Li-ion battery provides extended music playback time for your Onyx Studio wireless speaker, delivering powerful and uninterrupted sound for hours
PREMIUM BATTERY CELLS: Built using Grade A lithium-ion cells to ensure stable voltage, consistent performance, and reliable safety throughout its charge cycles
PRECISION FIT: Engineered to fit exactly like the original LI11B001F battery without modification, ensuring a smooth and secure installation in your speaker
DURABLE AND SAFE: Encased in robust ABS and polycarbonate housing to resist physical damage and protect against overheating, short-circuit, or overcharging
COMPLETE PACKAGE: Includes 2 x battery packs [Rechargeable]; backed by a 24-month worry-free warranty and friendly customer service for your peace of mind