16.8v :the battery inside is marked 3.7V *4=14.8V;
when the battery is full is about 4.2V*4=16.8V.
21v :the battery inside is marked 3.7V *5=18.5V;
when the battery is full is about 4.2V*5=21V.
25v :the battery inside is marked 3.7V *6=22.2V;
when the battery is full is about 4.2V*6=25.2V.
1：Due to the different production batches of the factory, the battery (sticker) will be different and the quality is the same! Please feel free to buy
2：One type is a straight plug 12V.16.8V battery, one is a flat push 12V.16.8V battery.Please check the size and appearance of the battery, and then purchase it after confirmation. Thank you.
3：Please note: charger is not included
4：Notice: The products you buy are shown as pictures,please confirm it before paying.
5：If you do not know whether your screwdriver is suitable for our battery, please carefully observe the battery size and appearance before payment, you can also contact us, thank you。
Tip 1: all our batteries are of the same quality.
2: Each charging time should be between 1.5 and 2 hours. If the battery is not used for a long time and is not charged, the battery will enter a dormant state,Causing degradation of battery performance,Please note that
1.You get what you pay for.We will try to provide more high quality goods to the buyer. 2.All products are the real description in our shop. Please read product descriptions carefully. 3.If you have any questions about the product.Please leave a message to us.
About payment: 1.Support the credit card（RMB and Dollar) WebMoney(WM),TT,West Union , Qiwi wallet, Boleto(Brazil), SOFORT Banking , Alipay , etc.
About shipment： 1. We will send the order within 3 days when we get your payment. (Except holiday) 2. WORLDWIDE SHIPPING. (Except some Special countries and APO/FPO) 3. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
4.The delivery time on all international shipments can’t be guaranted by us, due to differences in customs clearing times in individual countries, which may affect the effectiveness of your receptions.
Please note that all additional customs fees, brokerage, fees, duties, and taxes for importation into your country will be in your charge.
These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.
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