The #16869 sealed rechargeable battery is used with our CR200-series dataloggers in applications that have minimal power requirements. This battery fits in our ENC200 enclosure. It is recharged via the SP1.6 1.6-Watt solar panel, SP5 5-Watt solar panel, or #16876 wall charger. These charging sources plug into the power connector on the ENC200 enclosure.