Synergy Digital Speaker Batteries, Compatible with Sony ST-03 Speaker Batteries (Li-Pol, 7.4V, 1900 mAh), Set of 5

Synergy Digital is a family-owned manufacturer and distribution house that specializes in servicing the battery needs of independent electronic retailers of the public. As technology continuously progresses, Synergy Digital aims to remain on the cutting edge of battery chemistry and technology. Synergy Digital branded products are well-produced batteries, battery chargers, and other accessories, ensuring they can continue to deliver the most advanced products for many years to come. Synergy Digital one of the world's largest manufacturers of primary batteries delivers a powerful portfolio of groundbreaking products and consumer-led innovation all around the globe. As a global distributor of consumer products, our mission is to be the leader in these categories by better serving consumers.
Each Synergy Digital battery has the capacity to provide long-lasting, continual use. Boasting a high-energy density and high-power capability at a more constant rate, these batteries are made of Li-Pol to provide long-lasting, reliable power.
Using these powerful Synergy Digital Ultra Hi-Capacity Batteries, you can keep your speaker consistently powered for longer periods of time. A Li-Pol battery delivers substantially more current than any other battery in its class, boosting performance when servicing high-drain devices. In addition, each Synergy Digital battery is made with high-quality Japanese cells to ensure long-lasting use, so you never have to worry about draining off the battery the moment you really need it.
These Synergy Digital rechargeable ultra-high capacity batteries can be charged over and over thousands of times, so there is less waste. Simply charge your speaker and enjoy ultra-strong power for your device time and time again. Not only do you get more bang for your buck, but Li-Pol is also free of toxic heavy metals. As such, these batteries are recyclable and safer to use.
Synergy Digital Batteries are 100% compatible with the original OEM battery. Its ultra-high-capacity provides longer-lasting use than the original OEM battery. Therefore, you can rest assured that your speaker will perform at its highest standard possible.
The Power to Keep You Going and Going The Power to Keep You Going and Going High-Energy-Density Long-Lasting Power Long-Term Value with Less Waste 100% Compatible