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- Batteries
3.5 out of 5 stars
- #193,140 in Health & Household (See Top 100 in Health & Household)
- #302 in 3.7V Batteries
Product Description

A Professional Battery Designer & Battery Pack Manufacturer
- Elxjar is a professional battery pack manufacturer, specializing in audio equipment, including Bluetooth speakers, wireless headphones, and other audio devices. We specialize in custom lithium-ion designs and offer assemblies in other chemistries.
- Replacement Bluetooth Speaker & Headphone Batteries
- Elxjar carries high-quality replacement batteries for a range of Bluetooth speakers and wireless headphones. These batteries ensure continuous sound performance and long-lasting usage. We stand behind our replacement batteries so much that we use them in our own warehouse!

Product Specification
Chemistry | Lithium Polymer(Li-Po) |
Nominal Capacity | 6000mAh (at standard discharge conditions, 25℃, to 3.0V cutoff) |
Nominal Voltage | 3.7V |
Dimensions | Approx. Size: L 3.90 " (99.00mm) x W 1.37 " (34.80mm) x H 0.76 " (19.30mm) |
Package Includes | Includes 2 rechargeable battery packs and a dismantling tool set |
Applications | Suitable for audio devices, including Bluetooth speakers, wireless headphones and other audio devices |
Temperature Range | Recommended operating temperature: 0 ~ +45℃; storage: -20 ~ +60℃ |
What do I do with my old batteries?
- You can dispose of any batteries at any RBRC affiliated store. The RBRC (Rechargeable Battery Recycling Corporation) has members in every major city in the United States. There is no charge to drop your batteries off there. Home Depot and Radio Shack are two of its predominant members.
Battery Pack Specifications
- Battery Configuration: Consists of lithium polymer (Li-Po) to provide a stable 3.7V output voltage to the speaker system.
- Compact Dimensions: The battery pack measures L 3.90 " (99.00mm) x W 1.37 " (34.80mm) x H 0.76 " (19.30mm)
- Lightweight Design: Weighing only 4.16 oz(118g)
- Durable Casing: Encased in bluer shrink wrap for insulation and protection, enhancing safety in continuous-use and standby environments.
Battery Features
- Uses the highest quality graded and sorted 'A' Grade cells.
- Has resistance welded gold plated contacts for maximum performance.
- Provides excellent discharge characteristics.

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