Key Advantages
High-Rate Discharge & Stable Power Output:
Using high energy density cells with excellent peak discharge capability, our battery packs deliver stable power output even during high-volume playback and bass-heavy music. The optimized lightweight design saves internal space while ensuring consistent audio performance without voltage drops, noise interference, or sound fluctuations.
Intelligent BMS Protection & Extended Battery Life:
Equipped with intelligent BMS protection and cell balancing technology, the battery pack automatically manages voltage differences between cells and provides comprehensive protection against overcharge, over-discharge, overcurrent, short circuits, and overheating. This improves battery reliability, extends cycle life, and reduces replacement frequency.
Wide Temperature Performance & Reliable Outdoor Operation:
Designed for all-weather applications, our battery packs maintain stable discharge performance in extreme environments, retaining ≥85% capacity at -20°C. Whether used for outdoor camping, street performances, mobile operations, or vehicle-mounted audio systems, they ensure safe and uninterrupted playback.
Specifications
|
Product Specifications |
HQ-22.2V15Ah(Optional：11.1V4Ah,11.1V8Ah) |
Battery Type |
NCM Battery |
|
Charging Voltage |
25.2V |
Charging Current |
5A |
|
Discharge Current |
15A |
Cut-off Voltage |
18V |
|
Product Dimensions |
345 * 69 * 46 mm |
Cycle Life |
≥ 800 times |
|
Operating Temperature |
-20 - 55℃ |
Storage Temperature |
-10 - 35℃ |
|
BMS |
Optional：CAN / RS485 / Bluetooth |
Battery Display |
/ |
|
Warranty |
2 years |
Service Life |
6 years |
Application Scenarios
1. High-power Outdoor Karaoke Speakers: Compatible with trolley-style outdoor audio, square dance speakers and high-power portable karaoke equipment for camping. Delivers sustained high-current output to support full-day continuous outdoor playback.
2. Desktop Portable Bluetooth Speakers: Suitable for household desktop mini speakers, desktop heavy-bass audio and vintage compact desktop speakers. Compact lithium modules fit narrow cabinets while balancing elegant design and extended playback time.
3. Waterproof Portable Camping Speakers: Special lithium power solutions for outdoor waterproof Bluetooth speakers, portable cycling audio and mini vehicle-mounted speakers. Temperature-resistant and vibration-proof, ideal for mobile outdoor use.
4. Commercial Performance & Portable Active Audio Systems: Ideal for small-stage active speakers, street stall loudspeakers, and all-in-one live streaming sound card speakers. Stable voltage output ensures consistent sound quality for live performances and streaming applications.
FAQ
1. Q: What types of speakers are these lithium batteries compatible with?
A: Compatible with the full range of portable audio devices, including mini desktop Bluetooth speakers, outdoor trolley square dance & karaoke speakers, waterproof camping speakers, large venue stage sound systems, vehicle-mounted portable loudspeakers and vintage desktop active speakers.
2. Q: How do you optimize battery performance to eliminate popping noise and voltage drop under high-volume bass playback?
A: All finished batteries undergo full-load pulse discharge testing simulating maximum speaker operating conditions, paired with high energy density cells and balancing BMS boards. Complete reliability testing covering capacity aging, short-circuit and extreme temperature conditions is conducted before delivery to prevent voltage sag, overheating and cell swelling during high-power audio playback.
3. Q: How should batteries be stored and maintained if the speaker will remain unused for a long time?
A: Before long-term storage, charge the battery to 40%–60% capacity and store it in a cool, dry location. Top up the charge every 3 months to minimize cell degradation and extend service life.
4. Q: Do you offer ultra-thin lithium polymer solutions for slim vintage mini speakers?
A: Yes. We provide customized ultra-thin lithium polymer pouch batteries specially developed for compact mini desktop speakers and portable vintage-style audio devices. Battery thickness can be customized according to your requirements to fit limited internal spaces.
5. Q: Can you produce irregular-sized battery packs for speakers with unique cabinet shapes?
A: Yes. Full customization is supported. We can adjust battery length, width, height, wire outlet positions, terminal connectors and outer casing shapes according to speaker internal structural drawings, achieving a perfect fit without modifying the original acoustic design of the speaker.
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