It looks like you're referring to the OEM BL-54SG rechargeable battery, which is a 3.8V 2610mAh lithium polymer battery designed for various LG smartphones, including models like the Optimus LTE III, G3 Beat, Mini G3s, G3c, and B2 Mini.
Here are a few things you might want to know about this battery:
Voltage: 3.8V
Capacity: 2610mAh
Type: Lithium Polymer (LiPo)
Compatibility: Optimus LTE III, G3 Beat, G3 Mini, G3s, G3c, and other devices that use this specific model battery.
Tips for Battery Care:
Avoid Overcharging: Try to unplug the device once it's fully charged to avoid wear on the battery.
Keep it Cool: Excessive heat can reduce battery lifespan, so try not to leave your device in direct sunlight or in hot environments for extended periods.
Store Properly: If you're not using the battery for an extended period, store it in a cool, dry place, ideally with around 50% charge.
If you need help with anything specific regarding the battery or device, feel free to ask!