Sony MBH20 comes with Sony battery only. As per company, it offers up to 100 hours of standby time and about 7 hours of talk time.
Sony MBH20 has average talk time of up to 8 hours. So, you can use it for almost 2 days talk time.
Yes, you can use Sony MBH20 with Vivo V5s.
Sony MBH20 comes with 1 Year brand warranty.
Yes, you can use Sony MBH20 with micromax mobile phone.