3.2V 18650 Li-Ion / LiFePO4 ( Lithium Phosphate ) 1800mAh rechargeable batteries for Solar Garden Lights

These 3.2V 18650 size Li-Ion or LiFePO4 ( Lithium Iron Phosphate ) 1800mAh rechargeable batteries are made mainly for strings of Solar Garden Lights.
They are bigger than a normal AA size battery in both width and height. They are also unusual in that they have a voltage of 3.2 volts which is the standard voltage for this chemistry of battery.
The battery has a normal "pipped" top on the positive end and again a normal flat bottom negative end. They should be charged in the solar device on installation and should then on switch on at night as normal.
The 1800mAh capacity matches the original batteries so there won't be any charging issues.
Specification:
3.2 Volts
1800 Mah
18mm wide by 65mm heigh
Li-Ion or LiFePO4 chemistry
NB Please do NOT use these batteries in any device intended for use with NiCd or NiMH 1.2v applications as it will damage the device