What drill do you recommend?
If you are looking for an excellent Drill to use with your Power Planters - we highly recommend the Dewalt 996 along with 5 A/h high capacity batteries.
Plus this is an excellent cordless drill for general DIY and trade use. We have put together a special kit with DeWalt that includes

DEWALT's most powerful 18V XR Li Ion Brushless XRP hammer drill/driver. Includes side handle and 13mm chuck to fit any of the Power Planter Range	$329.00
2 x 5A/h Lithium Ion Batteries (the largest capacity you can get)	$258.00
Fast DeWalt Charger	$139.00
TSTAK Compatible Kitbox	$55.00
Total Value	$781.00
Package Deal Price	$569.00

Full Specs below.

(See blue notes for why this drill package is so ideal to use with your Power Planters)
DCD996P2 Model

NEW Automatic high speed hammer drill driver at 38,250 BPM increasing users masonry drilling speed of application
NEW 3 Position LED torch, High/Medium/Low settings with High output 20min LED delay lighting up your work place
Tough 3 speed all metal transmission for increased runtime and longer tool life (This is a commercial drill not a home consumer model- It is designed for heavy use)
Electronic Clutch with 11 position adjustable torque control for'optimised precision when screw driving (These settings allow you to dig with your Power Planter and not get any kickback/twisting of the drill, making it safe for all users)
Includes a TSTAK Compatible Kitbox to organise you tools and accessory storage
13mm ratcheting keyless chuck with automatic spindle lock for fast bit changes
Efficient intelligent trigger allowing total control over all applications
Improved grip design providing greater application control and maximum comfort
Li-Ion battery packs allows for superior insertion and removal with state of charge indicator
Steel belt hook and magnetic bit holder ensure strong storage solutions
Multi voltage charger for use with 18V, 14.4V and 10.8V XR LiIon battery packs
Part of the intelligent XR Lithium Ion Series designed for efficiency and making applications faster

Applications

Power Planters 207, 307, 312, 324h, 224hd.
Wood Drilling to 55mm
Metal Drilling to 15mm
Masonry Drilling to 13mm
First Fix Installation
Second Fix Installation

Specifications

Voltage 18 V
Battery Capacity 5.0 Ah
Chuck Capacity 1.5 to 13 mm
Power Output 820 Watts
No Load Speed 0450/1300/2000 rpm
Beats per Minute 08600/25500/38250 bpm
Max Torque 95 Nm (This is the Power Level of the drill for digging - 95 is excellent so if comparing with other drills be sure to look at this number. There is a significant difference for example between 80 and 95 Torque)
Max. Drilling Capacity [Wood] 55 mm
Max. Drilling Capacity [Metal] 15 mm
Max. Drilling Capacity [Masonry] 16 mm
Weight 2.1 kg (Weighs the same as a 2 litre milk, makes it very manageable)
Length 213 mm
Height 208 mm
Width 70 mm
Battery chemistry XR LiIon Standard Equipment
2 x 5.0Ah XR LiIon battery packs with state of charge indicator (This is one of the highest Capacity Batteries Available and means you can keep digging whilst the other is on charge and go all day)
Multivoltage XR charger (If you have any other DeWalt Batteries, they can be charged on this unit as well)
Belt hook
Magnetic bit holder
Multi position side handle (Having a side handle on your drill is strongly recommend when using the Power Planter. It means you can control it with two hands and not have the drill twisting your wrists)
TStak Heavy duty kitbox

Warranty Specifications (We like DeWalt because they really stand by their products giving you excellent Warranty and Guarantees. They can do this because they produce a very sturdy drill)

3 Year Limited Warranty
30 Day Money Back Guarantee
1 Year Free Service Contract

Dewalt 996 Top of the range Cordless Drill Kit