Edna 18650 battery holder (Edna 2)
Replacement battery holder for single 18650 li-ion cell. Suitable for Edna 2 single cell battery box. Will accommodate 1x unprotected flat top cell (65mm x 18.5mm dia.). Works well with both Panasonic 3350mAh and LG 3500mAh cells. Protection circuitry is incorporated on the holder. Holder is not suitable for use with protected cells which are typically longer. Cells can be directly charged in holder with Nora micro USB charger, or removed for charging in proprieary li-ion charger, such as the nitecore i2. Battery not included.
Li-ion micro USB charger
Our go to 5v input micro USB charger with indicator LEDs. Suitable for direct charging of 18650 battery in Edna 2 battery holder, as well as 3.7v li-ion battery packs. Charger can be connected directly to mains adapter, phone charger, tablet, lap top, or a 12v car cigar - 5v USB adapter. Uses a dedicated li-ion charge IC to ensure correct charging regime is applied. For optimum charging use a high quality micro USB cable, as short as possible, with a USB power supply of at least 1A output.
£12 - £15 (USB-micro USB cable £3)
Nitecore i2 smart battery charger
Good quality smart charger, suitable for most batteries including individual 18650 li-ion cells as used in Edna 2 battery holder. UK mains version.
Sorry, out of stock
Filthy Edna lamp set (without batteries)
Edna 2 caving lamp featuring alloy battery box with 18650 battery holder, plus alloy helmet bracket and lamp fixings. Light weight, amazing value high end caving light. IPX68 5m rated for wet caving and shallow free dives. Featuring latest Cree XP-L2 5000k neutral white LED. Uses standard individual 18650 battery (unprotected). Batteries can be readily swapped on long trips. 18650 battery not included. Attach battery box to helmet using zip ties / shock cord etc (not included).
Filthy Edna lamp only (battery box not included !!)
Edna 2 caving lamp including alloy helmet bracket and lamp fixings. Supplied without battery box, for your own innovative solutions using 3.7v li-ion cells or battery packs. Examples could include original Petzl Zoom box, Petzl Duo box (Duo box stripped out can accomodate 2x18650 cells wired in parallel), etc, etc. For 3.7v li-ion battery arrangements. Not suitable for higher voltage series wired li-ion cell packs. Observe polarity. Edna lamp only
Shock cord 4mm
Shock cord 4mm black. Suitable for fixing Edna or Nora battery boxes to helmet.
£1.50 per metre
Filthy Edna lamp set, plus 3500mAh 18650 battery
Edna 2 caving lamp set including 18650 holder (as above), plus latest high quality 3500mAh li-ion battery. Optional Nora micro USB charger.
Note, a single li-ion 18650 battery (or Edna battery pack) can be shipped to most international destinations, fitted in Edna battery box. Extra battery possible depending on shipping destination.
£225 - £235
Battery box lids, O rings, etc, etc, should these ever be required. If the part you need is not in our lamp spares shop then do please just ask.
Filthy Edna lamp with Edna battery pack and micro USB charger
Edna 2 caving lamp / battery box with li-ion battery pack (3500mAh 1S1P protected) and Nora micro USB charger. Battery holder for regular 18650 cells available separately if required.
Note, a single li-ion 18650 battery (or Edna battery pack) can be shipped to most international destinations, fitted in Edna battery box. Extra battery pack possible depending on shipping destination.
£235 - £250
Edna 2 battery pack, 3.5Ah. Professionally constructed 1S1P battery pack using highest capacity LG / Samsung 18650 OEM cell, nominally 3500mAH, protected.
Shipping restrictions apply - Contact Us
Edna rude tubes
Robust, water tight battery container (aka bottle preform), useful for underground transportation of additional 18650 li-ion battery, for your Edna 2 (on very long trips). Will accommodate unprotected battery (65mm x 18.5mm dia.) or Edna 2 protected 18650 battery pack. Mixed colours (black, yellow, green, blue).
£4 (single) - £10 (pack of 4)
LG 18650 cells
LG 3500mAh 18650, unprotected, flat top cells suitable for Edna 18650 battery holder.
Shipping restrictions apply - Contact Us
Magnetic contact li-ion battery charger
Single cell USB li-ion battery charger with magnetic contacts. Well suited to charging unprotected 18650 Edna battery without disconnecting battery holder from battery box (simply remove battery from holder). USB input 5v with indicator LEDs. Charges individual li-ion batteries, nominally 3.7v. Solid red indicator when charging is complete. Not polartity conscious, connect either way around.
Edna 18650 DIY battery pack kit
Simple DIY parts kit for assembly of Edna 3.7v li-ion battery pack from single unprotected 18650 battery. Kit includes simple 6A protection circuit, well suited to DIY use, with nickel plated strips that can be easily spot welded or soldered to battery. Kit also includes RC connector on silicone leads, heat shrink sleeve, self adhesive battery end insulators etc, necessary to finish battery pack. Soldering not considered best practice, exposure to heat should be minimised to avoid damage to battery! 18650 battery not included.