Philips Trimmer Battery Replacement & Repair, How to change battery of trimmer, which battery to buy - YouTube
Philips Body / Battery Replacement for QT4005 Trimmer – Aalap Inc.
How To Replace Battery Philips Trimmer QT4005/QT4006 (Hindi) - YouTube
PHILIPS 1000 Beard Trimmer Black [BT990/15] in Chennai at best price by Shahs - Justdial
Philips Battery Powered SkinProtect Beard Trimmer for Men - Lasts 4x Longer, DuraPower Technology, Cordless Rechargeable with USB Charging, Charging Indicator, Travel Lock, No Oil Needed BT1232/18 : Amazon.in: Health & Personal
Battery PHILIPS BT1232/15 Runtime: 30 mins Trimmer for Men (Blue), 3W