Sell 18650 Mobile Power Bank Kit With Spring Reversible 18650 Large best price

This product is the latest design, spring increases elasticity to avoid battery contact. Ii: upgrade smart software board without activation, using synchronous rectifier circuit, installled battery can be used. Iii: baby is a semi-finished product (cover = plastic shell+circuit board) and does not contain batteries. Four: this product does not have anti-loading counter-function, battery counter-circuit board must burn out without output, please carefully see the positive and negative two levels when assembling, (according to international practice iron sheet is positive spring is negative). V: this product is fast charge product when output because it is linear charge.Charging line and usb plug temperature will be slightly higher than slow charging! Vi:..Each cell assembled by the product is contained in less than 40.Please use more than 1A charger to charge the finished product or it will need to be longer, lest your charger can't bear. - not all rechargeable treasure is welding free, with spring is simply assembled, put directly into the battery, do not need any supplies! 2 case can be disassembled (installled) at any time. battery capacity can be changed at any time 3 with flashlight lighting function long press switch, open lighting! 4 with charge, diskharge indicator, level 4 power indicator, can be seen anywhere and anytime. 5. retail back-up kit, as long as the battery is ok, a hundred percent can be used. 6. large current output, up to 1.2A; large screen phones are all right 7. support fast charge charge charge charging, input current can reach 1.2A 8, up to 2 cells, small size, shell size: approximately 100x43 x 23MM 9. it is recommended that batteries with internal resistance of up to 40 be used to achieve better results.Use of hand-held batteries or disassembled batteries below 1000 ms is not recommended. 10, kit = main board+shell, free of battery.